Acta Biologica 16. (1965)

1. szám

INDEX Ivanova-Kásás, O. M.: Trophic connections between the maternal organism and the embryo in the paedogenetic Diptera (Cecidomyidae) ....................................................... 1( H. Oláh, É.— Hadházy, Cs. — Mándi, B.: Studies on cartilage formation IX. Aerobic and anaerobic hexosamine production of articular surface in various stages of regeneration .............................................................................................................................................. 25 Datta, R. M. — Neogy, A. K.: Comparative studies on the rates of growth of pollen tubes [ of some species of Crotalnria............................................................................................................. 35 Marek, N. Sipos, M.—Stur, J. К.—Szarvas, J.—Krámli, A.: Continuous culturing of algae in artificial illumination ................................................................................................. 43 Mihályfi, J. P.: The effect of mechanical wounding on the catalase activity of lilac leaves .......................................................................................................................................................... 51 Haranghy, L. — Balázs, A.—Burg, M.: Investigation on ageing and duration of life of mussels ................................................................................................................................................ 57 Bhattacharyya, T. K. Ghosh, A.: Seasonal histophysiologic study of the interrenal [ of the house sparrow ......................................................................................................................... 69 H. Oláh, É.— Földes, I.—Tasnády, L.: Hexosamine content of callus tissue....................... 79 Verseghy, К.: Effect of dry periods on the spore production of Lichens.................................... 85 Mess, B.—Vörös, E.: On the thyrotrophic area of the anterior hypothalamus.................... 105 Jobst, K.: The effects of méthylation on the chemical and submicroscopic structure of tissue nuclei (DNA) ............................................................................................................................... 113 Szabó, К. — Puskás, M.— Bartalis, É.: The protein amino acid changes of the different genotypes of Drosophila melanogaster MeiGEN in the course of ontogenesis............ 125 Novák, E. K. Kevei, F. Oláh, В. Zsolt, J.: Oligosaccharide decomposition by Pro­candida stellatoidea (Jones et Martin) Novák et Zsolt..................................................... 137 VerzáR-Petri, G.: Formation of the alkaloid spectrum of therapeutically important Datura species during ontogenesis..................................................................................................... 141 Fischer, E.: Comparative examination of histochemical reactions of alkaline phospho­monoesterase in the organism of Carausius morosus L. (Insecta, Phasmidea). . . 155 Csaba, G.—Török, О.— Fischer, J.: Immunological competence of newborn and adult rat thymus and spleen after explantation in tissue culture ....................................... 161 ► Petrusz, P. — FlerkÓ, В.: On the mechanism of sexual differentiation of the hypo­thalamus........................................................................................................................................................ 169 Daniel, L. : The inheritance of some quantitative characters in the cross of two four-rowed lines of corn (Zea mays L.)............................................................................................................... 175I CsiLLIK, B. Joó, F.: Cholinesterase,arylesterase and the structural basis of neurohumoral transmission in the central nervous system .......................................................................... 185 [ Farkas, J.: Investigations into the radiation resistance of Tribolium confusum (Duval) and Tyrophagus dimidialus (Hermann)................................................................................... 207 1 Farkas, J.: The effect of hydrature in foodstuffs on the reproduction of some pests and

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