Acta Biologica, Nova series, Tomus XXV, Fasciculi 1-2, 1979

Gallé, L.: Wirkung der Luftverunreinigung auf die Verarmung der Flechtenvegetation der Stadt Szeged und Ihre Umgebung 3 Greguss, P.: Polyphuletic Origin of Angiosperms in the Light of Xylotomy 17 Juhász, M.: Dispersed Matoniaceae spores from the Hungarian Lower and Middle Creaceous sediments 33 Juhász, M.: Investigation of some genera from the Lower and Middle Cretaceous in Transdanubia 49 Kedves, M.: Intraspecific morphological variations at recent Angiospermatophuta pollen grains (Short communication) 65 Zsoldos, F. and Gulyás, S.: Changes induced by chilling in the ion uptake, growth and anatomical structure of rice roots 69 Móczár, L.: Some Dryinids from Malaysia (Hymenoptera) 77 Stammer, Aranka and Horváth, I.: Special mitochondrial transfromation in the inner segment of visula cells 85 Finnegan, M. and Marcsik, Antónia: A non-metirc examination of the relationships between osteological remains from Hungary representing populations of avar period 97

Acta Biologica, Nova series, Tomus XXV, Fasciculi 3-4, 1979

Professor Pál Gregus is Ninety Qears Old 3 Hortobágyi, I.: New Chroococcales species in the Danue Hybrid algaem 7 Kiss, I.: Algological and hydrological investigations into alkali soils, with particular regard to the problems of water uprushes and "variety of colours" 13 Uherkovich, G.: Data on the periphyton of the Balaton 29 Kedves, M.: Scanning electron-microscopical investigations into the sporomorphes of the coal layers in the Dorog basin 35 Nagy, Eszter: Palynological Evaluation of the Holostratotype of the Egerian 45 Simoncsics, P. and Széles, Margit: Azolla and Savinia from the Pleistocene of Vésztõ (Great Hungarian Plain) 55 U Horváth, I., Takács, Edit and Mihalik, Erzsébet: Effect of the intensity of Illumination on the dry-matter production and tissue structure of the Capsium species 71 Szabó, Margit, Köves, Erzsébet, Frank, J. and Nagy, M.: Hormone content and hormone metabolism studies in male-sterile sunflower 85 Varga, Magdolna and Stumpf, I.: Hastening germination of crop seeds and seedling growth with gibberellic acid 93 Maróti, I.: The conservation of baryon change and the manifestation of Pauli's principle in the living world 105 Biczók, F.: Importance of Protozoa in the Dynamic Changes of the Rhizosphere 121 Horváth, I. and Stammer, Aranka: Elecron-microscopical structure of gill lamellae of the ide (Leuciscus idus), with particular regard to the chloride cells and H2S pollution 133 Farkas, Gy.: Die körperliche Entwichlung der Kinder von Békés 143

Acta Biologica, Nova series, Tomus XXIV, Fasciculi 1-4, 1978

Ábrahám, A.:Commemortion of József Gelei, on the occasion of the Twenty-Fifth anniversary of his death 3 Fehér, O.: Ten years of the Department of Comparative Physiology 13 Kedves, M.: Ultrastructure investigatins into fossil Salviniaceae spores 19 Kedves, M.: Palynological investigations into sediments of the lower Palaeogene Period in Bulgaria 23 Pataky, Szerén and Horváth, I.: The effect of covering with a transparent plastic sheet, on the tissue structure of bean plants 31 Pálfi, G., Németh, J., Pintér, L., Kádár, Katalin and Bölke, W.: Rapid determination of drought-resistance of new rice, maize and lupine varieties with the live-wilting proline test 39 Tari, Irma, Köves, Erzséet and Sirokmán, F.: Effect of butachlor (2-chloro-2', 6'-diethyl-N-(butoxymethyl)-acetanilide) on the basipetal transport of exogenous indole-3-acetic acid in maize seedlings 53 Ábrahám, A.: Light- and electron-microscorpic investigation into the ceroma of ducks with particular regard to the Gerbst corpuscles 59 Csoknya, Mária and Horváth, I.: Preliminaty studies on thoracic ganglion-cells of may-fly larva (Palingenia longicauda OLIV., Ephemeroptera) 89 Gallé, L. Jr.: Data on the ecological energetics of Formica pratensis Retz. (Hymenoptera: Formicidae) in the psammophile ecosystems of the Southern Hungarian Plain 97 Gallé, L. Jr.: Dispersion of the nests of an ant species (Hymenoptera: Formiciadae) 105 Gallé, L. Jr.: Respiration as one of the manifestations of the group effect in ants 111 Móczár, L.: New species and some remarks on the genus Ceropales Latreille (Hymenoptera: Ceropalidae) 115 Móczár: L.: Two new species of Mesitinae from Egypt (Hymenoptera: Bethylidae) 139 Marcsik, Antónia: Comparative evaluation of pathological Avar findings from excavations between the Danube and Tisza rivers 143

Acta Biologica, Nova series, Tomus XXIII, Fasciculi 1-4, 1977

Juhász, M.: Gleicheniaceae spores from Lower Cretaceous deposits of Hungary 3 Juhász, M.: Monoletes spores of Schizaeaceae from Hungarian Albian deposits 19 Maróti, I. and Pipás, Emõke: Change in leaf pigments during the autumn colouration 31 Nagy, Mária and Göndör, Erzsébet: Change in the endogenous gibberellin content during swelling of Lupinus albus L. seeds 39 Pálfi, G. and Bátyai, J.: Effects of biologically-active substances on the amino acid metabolism of isolated lucerne shoots in the case of live-wilting 49 Zsoldos, F. and Haunold, E.: Studies of herbicide sensitivity in the uptake of different ions by rice roots 63 Horváth M., Mária: Indole hydroxylation of the members of the Commelinaceae family 69 Horváth M., Mária and Keresztes, T.: Effect of herbicices of 2.4-D base on water-plants 73 Gaál, I. and Soós, J.: Comparison of methods for detection oxygen utake in yeasts: the automatic coulometer and the Wartburg apparatus 83 Csoknya, Mária and Halasy, Katalin: Anatomy of the nervous system of mayfly larve (Palingenia longicauda OLIV) 89 Erdei, M.: Food-biological investigation on the fox populations in Southern Hungary 97 Ferencz, Magdolna: Data on the vertical distibution of zoobenthos in saline "lakes" and rivers 108 Gallé, L. jr.: Feeding activity and regulating factors of Formicida pratensis RETZ (Hymenoptera: Formicidae) 117 Gyõrffy, Gy.: Predatory insect populations in the host-plant community of the red pepper (Capsicum) 125 Móczár, L.: Das Nest von Bombus alticola Kriechbaumer (Hymenoptera: Apidae) 133 Farkas, Gy.: Anthropological Outlines of the Prehistory of the Southern Part of the Great Hungarian Plain and of Northern Jugoslavia 139 Lipták, P.: The taxonomic method in Hungary and its application in the palaeoanthropological research 169

Acta Biologica, Nova series, Tomus XXII, Fasciculi 1-4, 1976

Chattar, M. S. and Maróti, I.: Seasonal changes in total content of soluble carbohydrates in ever-green plants 3 Maróti, I.: Photosynthetical pigments in the spongy and palisade parenchymas and the alternative ways of photosynthesis 7 Maróti, I. and Gábro, Gabriella: Thylakoid aggregation and pigment ratios in the spongy and palisade parenchymas 15 Kedves, M.: Scanning electron-microscppie investigations on the pollen grains of the operculati Venk. et Gócz. 1964 29 Köves, Erzsébet, Szabó, Margit and Sirokmöán, F.: Similar effects of indole-3-acetic acid, non-sterile conditions and cellulase on the exrtactability of compounds of low molecular weight from bean root 37 Nagy, Mária: Dormancy in fruits of Tilia platyphyllos Scop. III. A possible role of IAA and cytokinins in breaking dormancy 47 Pálfi, G., Stercker, O. and Gubicza, A.: Biological activity, bactericidal effect and structure of a medicinal peat-bog mud (at Hévíz) 57 Tóth, Ildikó and Zsoldos, F.: Effects of Saturn-50 and Synprán-111 herbicides on the membranebound ATP-ase activity of roots and yound shots of rice 73 Horváth, M. Mária and Tran Van Le: Effect of the sodim salt of 2.4-dichloro-oxyphenylasetic acid on Cucurbitaceae seedlings 79 Joó, F. and Rakonczay, Z.: A simple sampling technique for obtaining representative electron micrographs from brain fractions 83 Gyõrffy, Gy.: Data on seasonal dynamics and envrironmental claims of Empoasca fabae Harris (Homoptera: Cicadellidae) on condiment paprika 87 Móczár, L.: New Sulcomesitius Species from Borneo 97 Móczár, L.: Some data to the termite fauna of Egypt 107 Farkas, Gy.: Demographical and anthropological investigation of the population of the community of Gyoma (County Békés, Hungary) 113 Farkas, Gy: The problem of coincidence of archaeological and anthropological sex-determinations in case of prehistoric finds in the Southern Great Hungarian Plain 137 Farkas, Gy. and Marcsik, Antónia: Anthropological characterization of a prehistoric common grave at Gomolava (Yugoslavia) 145 Horváth, I., Bodrogközi, Gy. and Marián M.: Tisza Research 153

Acta Biologica, Nova series, Tomus XXI, Fasciculi 1-4, 1975

Horváth, I.: Prof. Pál Greguss is 85 years old 3 Fekete, Rózsa: Comparative weed-investigations in traditionally-cultivated and chemicallytreated wheat and maize crops. IV. Study of the weed-seed contents of the soils of maize crops 9 Juhász, M.: Lycopodiaceae spores from lower cretaceous deposits of Hungary 21 Kálmán, L, Németh, J., Korom, Á. and Maróti, I.: Influence of histological factors on stalk strength in maize 35 Kedves, M. and Antunovics, J.: New characteristics in the submicroscopic exine structure of the pollen grains of Nymphaeaceae from an evolutionary point of view 41 Kedves, M. and Hegedûs, Mária: Pollen grains of the Interporopollenites Fgen. from sediments of the upper cretaceous period in Portugal 43 Obradovic, Melanija: Über die pflanzengeografische Bedeutung von drei neuen Arten für die Flora der Vojvodina 63 Pálfi, G., Köves, Erzsébet and Nehéz, R.: Effect of growth-substances on the free amino-acid content of lentil shoots in case of water deficiency 69 Zsoldos, F.: Dependence of potassium uptake of rice and wheat seedlings on temperature, presence of calciumion and root length 83 Nagy, I. A. and Matkovics, B.: Quantitative biological assay of melatonin 89 Nagy, I. A. and Matkovics, B.: The lipids of the bovine pineal gland 95 Kovács, Katalin, Szõnyi, D. G. and Matkovics, B.: Properties of enzymes. VII. Purification and properies of human placental superoxide dismutase and total peroxidase activities in normal and pathological case 99 Fehér, O., Bálint, G. A. and Balogh, Á.: The effect of tertiary tropine derivatives on cerebral convulsions 113 Szente, M. and Fehér, O.: The effect of polirazation on the evoked and seizure potentials in the cat 127 Horváth M., Mária and Kertész, J.: The effect of sodium 2.4-dichlor-ophenoxyacetic acid on domesticated plants 141 Farkas, Gy. and Marcsik, Antónia: Anatomical variations and palaeopathological observations in prehistroric series 147 Lipták, P. and Marcsik, Antónia: Skeletal remains of the avar period and loth centruy cemetery excavated at Rákóczifalva-Kastélydomb 165 Varga, I. and Marcsik, Antónia: Palaeopathological characterization of the skeletons of an avar series (Kunszállás-Fülöpjakab) 181

Acta Biologica, Nova series, Tomus XX, Fasciculi 1-4, 1974

Horváth, I.: Greetings to Ambrus Ábrahám on the occasion of his 81st birthday 3 Ábrahám, A.: István Apáthy. Tribute to his memory on the occasion of the 50th anniversary of his death 27 Fekete, Rózsa: Comparative weed investigations in wheat and maize crops cultivated traditionally and treated with weedicides. II. Changes in the weed vegetation of maize crops 37 Fekete, Rózsa: Comparative weed investigations in wheat and maize crops cultivated traditionally and treated with weedicides. III. Changes in the weed conditions in maize plots under Simazin, Atrazin (Hungazin PK) post-effect and the demonstration of the aminotriazine contents of the soils 47 Kálmán, Flóra and Gulyás, S.: Ultrastructure and mechanis of secretion in extrafloral nectaries of Ricinus Communis L. 57 Kedves, M. and Párdutz, Á.: Ultrastructural studies on Amentiflorae pollen grains. II. 69 Kedves, M. and Párdutz, Á.: Ultrastructural studies on Mesozoic inaperturate Gymnospermatophyta pollen grains 81 Rezk, Malak R.: Sensitivity to light in Plantoago seeds as related to seed coat structure 89 Pálfi, G., Bitó, Mária and Sebestyén, Rita: Rapid production of protein-forming amino acids with the aid of water stress and photosynthesis. I. The "proline pathway" of amino acit metabolism 95 Varga, Magdolna, Balla, Erika and Szendrõ, Zsuzsa: Data on the shoot growth-inhibiting effect of 2, 3, 5-triiodibenzioc acid 107 Zsoldos, F.: Ion uptake and cell-membrane behaviour of Synpran N and Dacthal herbicidetreated rice plants 115 Hernádi, Etelka, Horváth, M. Mária and Kiss, Ágota: Chromosome changes in Allium cepa and Vicia faba plants 121 Kondás, Ilona, Horváth, M. Mária and Vargyai, Erzsébet, Study of regeneration in Pearl bean and sunflower seedlings 125 Dobos, L. and Gaál, I.: Versatile automatic coulombmeter 129 Csoknya, Mária and Halász, N.: Data on the epithelial cells of the tracheal gill (Ephemoroptera: Palingenia longicauda OLIV.) 137 Ferencz, Magdolna: Zoobenthic studies on the lower reaches of the Tisza and Maros 143 Móczár, L.: The activity periods of the population of Paragymnomerus spiricornis (Spinola) (Hymenoptera: Eumenidae) 157 Móczár, L.: The unusual behaviour of of Paragymnomerus spiricornis (Spinola) (Hymenoptera: Mesitinae) 161 Móczár, L.: On another species of the genus Metrionotus Móczár. (Hymenoptera: Bethylidae: Mestitnae) 173 Tanács, L.: The flower-visiting activity of Apidea on lucerne (Hymenoptera: Apoidea) 179 Farkas, Gy.: Observed cases of os malare bipartitum in Hungarian palaeoanthropological finds 183 Marcsik, Antónia: "Symmetrical osteoporosis" in a palaeoanthropological material 191 Lipták, P.: Anthropological analysis of the Avar-period population of Szekszárd-Palánkpuszta 200

Acta Biologica, Nova series, Tomus XIX, Fasciculi 1-4, 1973

Fekete, Rózsa: Comparative weed investigations in wheat and maize crops cultivated traditionaly and treated with weedicides. I. Chenges in the weed vegetation of wheat crops 3 Kedves, M.: The present state of ultrastructural research into fossil sporomorphs 13 Kedves, M. and Párdutz, Á.: Ultrastructural studies on Amentiflorae pollen grains. I. 19 Takács, Edit: Effect of foil covers of different colours on the tissue structure of the leaves of lettuce, spinach, and garden sorrel 33 Köves, Erzsébet and Juhász, Anna: Effect of Actinomycin D and 2-Thiouracil on the elongation of oat coleoptiles induced by different phenolic acids 51 Horváth, Judit and Szalai, I.: The effects of the culture medium and light on the pigment-synthesis and sporulation in Aspergillus and Penicillium genera 55 Nagy Mária and Szalai, I: Dormancy in fruits of Tilia platyphyllos Scop. I. 71 Tóta, Mária and Szalai, I.: Effects of the nutrient composition and the nature of the light on the growth and pigment-synthesis of some moulds. 79 Varga, Magdolna: On the mechanism o auxin-gibberellin interaction VI. Gibberellininduced change in the activity of IAA-forming ezyme preparations 93 Ábrahám, A.: Ultrastructure investigations on the cerebrel cortex of the sand-lizard (Lacerta agilis L.) 99 Csoknya, Mária and Halász, N.: Anatomical and histological observations on the tracheal gill of Palingenia longicauda Oliv (Ephemeroptera) 117 Ferencz, Magdolna: Zoobenthos investigations in the saline waters of the Great Hungarian Plain 125 Gallé, L. jr.: Thermoregulation in the nest of Formica pratensis Retz. (Hymenoptera: Formicidae) 139 Móczár, L.: Eindringen solitärer Hymenopteren in das Nest fremde Arten (Fam.: Eumenidae, sphecidae, Megachilidae) 143 Móczár, L., Andó, M. and Gallé, L.: Microclimate and the activity of Paragymnomerus spiricornis (Spinola) (Hymenoptera: Eumenidae) 147 Stammer, Aranka: Data to the electron microscopic structure of the pineal organ or the birds 161 Erdélyi, L.: Effects of lanthanum and alkaline earth metal ions on the potassium contracture of the Helix geart 177 Halász, N.: Inhibitory synapses on the perikaryons of mitral, tufted and granular cells of the rat olfactory bulb 193 Farkas, Gy.: Macrocephalic and "Avar period" Mongolid anthropological finds from Woiwodina 203 Farkas, Gy. and Lipták, P.: Recent data on the anthropology of one of the populations (Vésztõ) of the Hungarian Great Plain (Alföld) 213

Acta Biologica, Nova series, Tomus XVIII, Fasciculi 1-4, 1972

Bodrogközy, Gy. and Horváth, I.: Production tests in plant communities of meadow-land with solonetz soil. III. Zone of Agrosti-Alopecuretum 3 Horváth, I.: Phytotron in the Botanical Gardens of the Attila József University, Szeged 15 Horváth, I., Bodrogközy, Gy. and Mihalik, Erzsébet: Investigation of Cynodonti-Poâtum angustifoliae in controlled environment 21 Gallé, L.: Flechtenterata in Herbarien zu Szeged 27 Juhász, M.: Study of the Trilites formgenus in Lower Cretaceous deposits 43 Hegedûs, Mária, Kedves, M. and Párdutz, Á.: Ultrastructural investigation of Upper Cretaceous Angiosperm exines. II. 55 Maróti, I. and Szemenkei, Katalin: Light-induced transformations of pigments. I. Transformations of carotenoids under aerobic and anaerobic conditions 71 Maróti, I. and Szajkó, Irén: Light-induced transformations of pigments. II. The role of water in the transformation of carotenoids 81 Ferenczy, L., Zsolt, J. and Lantos, Judit: Screening for antibacterial, antifungal and antiphage substances in higher plants 93 Köves, Erzsébet and Kovács, Ilona: Formation of auxinmacromolecule complexes in plant organs of various ages 117 Zsoldos, F.: Influence of chilling on ion uptake by roots 121 Kerész, J., Molnár, Annamária and Horváth, Mária: The effect of the sodium salt of 2,4-dichlorophenoxyacetic acid on the mitotic growth of yellow corn 131 Matkovics, B., Marián, M. and Simon, Mária: Some data on the in vitro hydrosylation of anthranilic acid and its biological transformation products (Part 17) 135 Csoknya, Mária and Halász, N.: Ultrastructural investigations of the campaniform sensillae on the tracheal gill of Palingenia longicauda Oliv. (Ephemeroptera) 145 Gallé, L. Jn.: Study of ant-populations in various grassland ecosystems 159 U Horváth, A.: Mollusca periods in the sediments of the Hungairan Pleistocene. VII. The lower humid period of the boring of Felsõszentiván 167 Móczár, L.: Besonderes Verhalten von Formica rufa L. 181 Móczár, L. und Warncke, K.: Faunenkatalog der Gattung Andrena Fabricius (Cat. Hym. XXVI) 185 Ábrahám, A.: Electron microscopic observations on the adrenal gland of the green toad (Bufo viridis Laur.) 223 Erdélyi, L.: Spontaneous electrical activity of the Helix heart: different changes of the trial and ventricular electrocardiograms as a result of various effects 241 Erdélyi, L. and Halász, N.: Electron-microscopical observations on the auricle of snail heart (Helix pomatia L.) with special regard to the structure of granulated cells 253 Marcsik, Antónia: Data to the paleoanthropology of the environs of Nagybaracska 269

Acta Biologica, Nova series, Tomus XVII, Fasciculi 1-4, 1971

Biczók, F.: Dr. Andor Horváth 3 Végh, Mária: History of Botany in the Attila József University (1912-1970) 7 Ábrahám, A.: History of the Zoological Department in the Univeristy of Szeged 17 Lipták, P.: History of the antrhropological Department (1940-1971) 29 Bodrogközy, Gy. and Horváth, I.: Production tests in plant cummunities of meadowland with solonetz soi. II. The effect of climatic and soil factrors on the drysubstance, carbohydrate and nitrogen concentration in the species of draining sodic marshland 35 Kedves, M., Hegedûs, Mária and Bohony, Edit: Normapolles taxa from Palaeocene sediments 49 Kedves, M., Hegedûs, Mária and Párdutz, Á.: Ultrastructure investigations on the exine of the genus Casuarina L. 63 Maróti, I. and Gabnai, Éva: Separation of chlorophylls and carotinoids by thin-layer chromatography 67 Miháltz-Faragó, Mária and Juhász, M.: Spore-pollen investigation of bore-hole No. 11 at Lõkösháza, with special regard to the recycled sporomorphs 79 Pálfi, G.: Multiplication of the essential amino acids during the live-wilting of leaves 89 Szalai, I.: Kann die hohe Lagerungstemperatur allein eine nachträgliche Wirkung auf den Ernteertrag ausüben? Varga, Magdolna: On the mechanism of gibberellin-auxin interaction. VII. Effects of gibberellic acid on the utilization of auxin precursors in indoleacetic acid synthesis 113 Garai, B. Anna, Fojik, I. and Horváth, Mária: Change in the pigment content of autumn wheat 1201 from Bánkút 119 Rojik, I., Bezerédy, Ilona, R. Kovács Zsuzsa and Horváth, Mária: Change in the peroxidase enzyme activity in the leaves of wheat and barlay seedlings 123 M. Samir, A. Rádi: Investigation of qellow orn seedlins selected according to their roots 127 Csoknya, Mária, Horváth, I. and Halász, N.: Data to the knowledge of submucous gland cells of the avian proventriculus 131 Halász, N., Párdutz, Á. and Joó, F.: Contribution to the problem of the specificity of the ZIO impregnation 143 Horváth, I.: Zinc-jodide-osmium impregnated cells in the paravertebral bundle of the marsh-frog (Rana Ridibunda Pall.) 153 U Horváth, A.: Mollusca periods in the sediments of the Hungarian Pleistocene. VI. The lower part of the middle arid period in the boring of Felsõszentiván 159 Móczár, L.: Pycnomesitius new genus from Bethylidae (Hymenoptera) 167 Erdélyi, L.: Effect of ion milieu and barium ions on the ventricular electrocardiogram of the edible snail (Helix pomatia L.) 171 Farkas, Gy.: Problem of extimating the coincidnece of the month of menarche and the month of birth 185 Farkas, Gy., Lengyel, I. and Marccsik, Antónia: Suppositon of genetic connections between the finds of the cenetery at Mélykút-Sáncdûlõ (Southern Hungary) on the basis of lood grouping ABO 199 Lipták, P. and Marcsik, Antónia: Anthropological investigation of the cemeteries from the 10th and 10-11th centuries, excavated at Szarvas 207 Lotterhof, Edit: Anthropological investigation of the skeletal material from the cemetery at Röszke-Kószó farm from the 14-15th centuries 221

Acta Biologica, Nova series, Tomus XVI, Fasciculi 1-2, 1970

Horváth, I. - Simoncsics, P.: Prof. Dr. Pál Greguss is eihtyyears 3 Simoncsics, P.: In Commemoration of Sándor Jávorka 11 Horváth, A.: In memoriam Adolf Lendl (1862-1943) 17 Bodrogközy, Gy.: Ecology of the halophilic vegetation of the Pannonicum. VI. Effect of the soil-ecological factors on the vegetation of the reserv of lake "Dongér" at Pusztaszer 21 Halmágyi, L. und Gulyás, S.: Nektarium und Nektarproduktion der Digitalis Arten 43 Kedves, M.: Spore-pollen investigations on the palaocen sediments of Oiching 51 Kedves, M. and Zsuzsanna Zsivin: Spore-pollen data from the marl layers of Mte. Bolca 55 Simoncsics, P.: Sporen-, Pollen- und Moortypen aus dem miozänen Braunkohlengebeit von Nógrád II. 69 Varga, Magdolna: On the mechanism of gibberellin-auxin interaction. V. Effect of gibberellic acid on the stability of ribonycleic acid in bean hypocotyl tissues 81 Lontai, I. and Horváth, Mária: Investigation of physiological changes in roots and shoots as a result of a herbicide treatment. I. 85 Horváth, Mária and Longai, I.: Investigation of physiological changes in roots and shoots as a result of a herbicide treatment. II. Development of the pigment content of shoots 95 Uherkovich, G.: Beiträge zur Algenflora der Natron- (Szik-) Gewässer Ungarns. II. Kieselalgen aus dem Teich Õszeszék 99 Farkas, Gy.: Neuere Angaben zur Pubertät der tieflendischen Mädchen 109 Lipták, P.: A critical review of paleoanthropogical studies of the Avars in Hungary 117 Kolosváry, G.: Trias-Korallsen aus Jugoslavien. II. 129

Acta Biologica, Nova series, Tomus XVII, Fasciculi 3-4, 1970

Horváth,I.: Solemn Session of the Attila József University. Homage to Lenin. Presidential inaugural address 3 Maróti, I. and Horváth, Mária: Paradoxes in biological structures 5 Móczár, L.: Ethologische Ergenisse an Humenopterrer 14 Bodrogközy, Gy. and Györffy, B.: Ecflology of the halophilic vegatation of the Pannonicum. VII. Zonation study along the Bega-Backwaters in the Voivodina (Yugoslavia) 25 Gallé, L.: Die Flechtenvegetaion und Flechtenzönosen des Arboretums in Szarvas 43 Gulyás, S., Takács, Edit; Zalatnai, Irén; Dobos, Ilona und Horváth, I.: Wirkung der Spektralzusammensetzung des Lichts aud die Gewebestruktur der Capsicum-, Fagopyrum-, Phaseolus- und Vicia-arten 51 Kedves, M. and Király, Emõke: Problems of Cretaceous-Palaeogene palaeophytogeographical regions based on palynological result. II. 63 Baroova, S. R. - Horváth, I. - Szász, K.: Dry weight and carbogydrate changes in tomato Seedling germinated in dark and light 73 Pálfi, G. and Mária Bitó: Effect of the cold soil and physiological dryness on the amino acid metabolism of wheat, beans sunflower and paprika 73 Lontai, I., Horváth, Mária and Rojik, I.: Effect of post emergent herbicide treatment on mono- and dicotyledons 93 Ábrahám, A.: Ultrastructural investigations on human carotin bodies 97 Biczók, F. and Párdutz, Á.: An electron microscopic study of dye-sesitized, lighted Tetrahymena pyriformis LG 115 Gausz, J.: Recent data on faunistival and ecological conditions of Orhoptera at the Dalmatian coast 127 Horváth, I. and Csoknya, Mária: Histological and histochemical investigations of oesophagus and stomach of the marsh-frog (Rana ridibunda Pall.) 139 Farkas, Gy.: Supposition of genetic connections of Bronze-Age finds on the basis of blood-groupings 149 Marcsik, Antónia: Anthropological investigation of the cemetery at Kardoskút - Fehértó from the 11th-12th c. 155 Móczár, L.: Two new Species of Sulcomesitius Móczár (Hym., Bethylidae) 163