a Changes in alcohol dehydrogenase during development. Drosophila melanogaster (Dipfeca) 

 h Changes in nucleic acids during development. Arbacia punctulata (Echinoidea) ____ 

 SOJKA, N. J. D.V.M. — Vivarium, School of Med., Univ. of Virginia. CHARLOTTES- 

 VILLE, Va. 22903, U.S.A. 

 a Influence of hormonal state of the female on the fertilizing ability of sperm (comparative 



study). Oryctolagus cuniculus (Lagomorpha), Rattus norvegicus (Rodenfia), Canis 



familiaris (Carnivora) 

 b Reproductive physiology; characterization of semen, artificial insemination techniques. 



Felis catus (Carnivora) 

 SOKOLOVA, Mrs. Z. A. Cand.biol.sci. — Chair of Embryol., Biol. Fac, State Univ. of 



Moscow, Lenin Hills, MOSCOW V-234, U.S.S.R. 

 SOLBANI, Mrs L. Dipl.d'Etud.Sup. — Lab. de Morphogenet. Anim., Fac. des Sci., 1 Place 



Victor Hugo, 13 MARSEILLE 3, France 

 a Effects of X-ray irradiation upon adult morphogenesis. Nereis diversicolor (Polychaeta) 

 SOLERE, M. Dr.en Med. — Lab. d'Histol.-Embryol. B, Fac. de Med., 45 rue des Sts. Peres, 



PARIS Vie, France 

 a Development of the brain and sensory organs in 34 day-embryo. Homo sapiens (Primates) 

 SOLOGUB, Miss A. A. — Inst, of Developm. Biol., Acad, of Sci. of the U.S.S.R., Vavilov 



St. 26, MOSCOW B-133, U.S.S.R. 

 a Metaplastic potencies of embryonic and larval eye for lens and retina regeneration. Leucis- 



ciis bergi (Cyprinidae), Anoptichthys jordani (Characidae, Teleostei) (in collaboration 



with G. V. LOPASHOV) 

 b Stimulation of metaplasia of the pure pigment epithelium of adult animals into retina by 



means of agents from larval (or embryonic) retina. Rana temporaria, R. esculenta (Anuca), 



Gallus domestictis (Aves), Mus musculus (Rodentia) (in collaboration with G. V. LOPA- 

 SHOV) 

 c Autoradiographic studies of the cell cycles at metaplasia of the pigment epithelium into 



retina. Rana temporaria, R. ridibunda (Anura) 

 SOLOMON, J. B. Ph.D., D.Sc. — Dept. of Bacteriol., Univ. of Aberdeen, ABERDEEN, 



Scotland, U.K. 

 a The foetus as an immunologically protected allograft: the chemical nature of the fibrinoid 



layer on giant cells of trophoblast origin. Mus musculus (Rodentia) 

 SOLTER, D. M.D. — Inst, of Biol., Univ. of Zagreb, §alata, ZAGREB, Yugoslavia 

 a Investigation of early differentiation; autoradiography. Rattus norvegicus (Rodentia) (in 



collaboration with N. SKREB) 

 SOLTY53SKA (MARCINKOWSKA), Mrs. M. Mgr. of Sci. — Inst, of ZooL, Warsaw 



Univ., WARSZAWA 64, Poland 

 SOMA, T. B.Agr.Sc. — Natl. Inst, of Anim. Industry, CHIBA-shi, 280 Japan 

 a Transfer of fertilized eggs by non-surgical techniques. Bos taurus (Artiodactyla) 

 SOMERS, G. F. D.Sc, Ph.D. (Med.) — Pharm. Res. Labs., Reckitt 6 Sons Ltd., Dansom 



Lane, HULL, E.Yorks., England 

 a The teratogenic effects of drugs; testing of drugs for foetal toxicity. (Mammalia) 

 SONDHI, K. C. Ph.D., Prof. — Dept. of Physiol, and Zool, Rutgers Univ., NEWARK, 



N.J. 7102, U.S.A. 

 a Interacting, compensatory developmental systems and ageing. Drosophila melanogaster 



(Diptera) 

 b Diffusion - reaction mechanisms in the genesis of primary patterns in morphogenesis. 



Drosophila melanogaster (Diptera) 

 c Development, nucleic acids, and ageing. Drosophila melanogaster (Diptera) 

 SORIANO, L. I. M.D. — Inst. d'Embryol. et Teratol. exper. du C.N.R.S., 49bis Av. de la 



Belle Gabrielle, 94-NOGENT-sur-MARNE, France 

 a Studies on RNA synthesis in embryonic skin. Gallus gallus (Aves), Mus musculus 



(Rodentia) 

 SOUPART, P. M.D., Ph.D., Prof. — Dept. of Obstet. and Gynecol., School of Med.. 



Vanderbilt Univ., NASHVILLE, Tenn. 37203, U.S.A. 

 SPAZIANI, E. Ph.D., Prof. — Dept. of Zool., Univ. of Iowa, IOWA CITY, Iowa 52240, 



U.S.A. 

 a Mechanism of ovarian and testicular hormone action on growth and development of 



reproductive tissues; uterus, seminal vesicles, prostate. Rattus norvegicus (Rodentia) 

 h Hormonal control of melanocyte differentiation and pigment synthesis. Rattus norvegicus 



(Rodentia) 



SPECTOR, C. Ph.D. — Dept. of Biol., Univ., of Pittsburgh, PITTSBURGH, Pa. 15213, 



U.S.A. 

 a The possible control of development by differential biosynthesis of specific gibberellins. 



Gibberella fujikuroi (Ascomycetes) 

 SPENCER, R. P. M.D., Ph.D., Prof. — Dept. of Radiol., Yale Univ., 333 Cedar St., 



NEW HAVEN, Conn. 06510, U.S.A. 

 a Development of heart weight and blood volume. ( Delphinoidea, Cetacea), (Mammalia) 

 h Development of kidney. (Mammalia) 

 c Development of liver and of spleen. (Mammalia and others) 



163 



