Acta Biologica 8. Supplementum (1957)

Index

Szêkessy, V. : Pathological and morphological lesions in stylopised insects .......................... 29 Csík, L.—Jaczó, I. : Viability and heterosis in fish........................................................................... 29 Kassai, T. : The significance of land pulmonate in the biology of the Protostrongylidae (Nematoda).................................................................................................................................................. 30 Szelényi, G. : The agricultural land, is it a biocoenose? ................................................................ 31 Gere, G. : The part played by the macrofauna in decomposing forest-litter floor ............ 31 Horváth, L. : Nesting associations of birds in Hungary .................................................................. 32 Sebestyén, О. : Quantitative studies on the plancton of lake Balaton ...................................... 33 Entz, B.—Lukacsovics, F. : Investigations into the conditions of nutrition, growth and respiration of various kinds of fish in the lake Balaton during the winter semester 33 Kolozsváry, G. : A study of the fossil Madreporaria of Hungary in the system of life pheno­mena .............................................................................................................................................................. 34 Jánossy, D. : Complex analysis of late pleistocene cave sediments .......................................... 35 Nemeskéri, J. : Anthropological problems in connection with the population of Pannónia under the Roman Empire................................................................................................................... 35 Maian, M. : The physical development of school children............................................................... 36 Guba, F. — Hajóssi, Gy.—Lovas, В. : Report on the biological research-work carried on in the Electron Microscopic Laboratory of the Institute for Mensurational Technique and Scientific Instruments, Hungarian Academy of Sciences...................................................... 36 Hajóssi, Gy. — Guba, F. : Electron microscopical investigations on the smooth muscle .. 37 Párducz, В. : The problem of preexistent stimulus-conducting paths in Ciliata................. 38 Ördögh, F. : The formation and some physiological characteristics of the twins of Kahlia 39 Wéber, M. : Experiments of substituting the white of hen’s eggs ............................................... 39 Section for botany, plant physiology, genetics and agrobiology4 Sárkány, S.—Stieber, J. — Filló, Z. : A quantitative xylotomical analysis of Populus-species in Hungary.................................................................................................................................................. 40 Borsos, О. : Experiments to observe morphological alterations in Papaver species growing wild in Hungary ....................................................................................................................................... 41 Soó, R. : Review of plant associations in Hungarian sandy soils and their phylogeny .... 42 Jakucs, P. — Fekete, G. : Preliminaries to a monograph of tbe karstic hairy-oak hush forests in Hungary.................................................................................................................................................. 43 Tímár, L. : Geobotanical map of the ’’Tiszazug”................................................................................ 44 Cholnoky, L. — Györgyfy, К. — Nagy, E.—Pánczél, M. : The physiological role of carotenoids in chlorophyllous organs ...................................................................................................................... 44 Daniel, L. : On the inheritance of the four-rowed character of ears in maize ........................ 45 Pazonyi, B. : Investigations into mutations obtained from the yeast Rhodotorula glutinis . 45 Kiss, A.—Rajháthy, T. : Crosses within the Triticinae group ...................................................... 46 Fridvalszky, L.—Lovas, В. — Baria, M. : The latest achievements of electron microscopy in plant cytology and histology............................................................................................................ 47 Jámbor, В.—Dévay, M. : The use of TTC in measuring dehydrogenase activity in plant materials ....................................................................................................................................................... 47 Faludi, B. : The effect of organic sulphur compounds on the growth of plant tissues .... 48 Fejér, D. — Fejér, 0. : Sulphur in the life of plants ......................................................................... 49 Szalai, I. : The significance of summer-planted new potato tubers forced with ’’Rindite” 49 Greguss, P. : A newly detected homoxylous tree ............................................................................... 50 Tangl, H.—Machay, L. : Large-scale propagation of unicellular fresh-water algae to elimi­nate the protein and fat deficiency apparent in forage production in Hungary ... 51 Garay, A. : Physiological and biochemical investigations of ergot of rye ............................ 52 Bánhegyi, J. : The biology of predacious fungi and their significance in plant protection 52 Bohus, G. : Experiments to determine drought resistance in fungi.......................................... 52 4

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