Sla-Spr 



b. Nucleo-cytoplasmic relations in early development. (Amphibia) (in 



collaboration with A. ROMANOVSKY and Mrs. Z. STEFANOVA 



(MAZAKOVA) ) 



SLAMA, K. Prom.biol., C.Sc. — Dept. of Insect Physiol., Entomol. Inst., 



Czechoslovak Acad, of Sci., Na Folimance 5, PRAHA 2, Czechoslovakia 



a. Experimental and physiological embryology; metamorphosis. Tenthtedi- 

 noidea (Hymenoptera, Insecta) 



b. Physiological embryology. Pyrrhocoris apterus (Hemiptera, Insecta) 

 SLIJPER, E. J. Dr., Prof. — Zool. Lab., Univ. of Amsterdam, Plantage Dok- 



laan 44, AMSTERDAM C, Netherlands 

 a. The embryonic blood circulation (ductus Botalli, ductus Arantii etc.), 

 particularly in aquatic forms. (Mammalia) 

 SLIPKA, J. MUDr., RNDr., C.Sc, Prof. — Dept. of Microanat., Coll. of 

 Med., Univ. of Baghdad, BAGHDAD, Iraq 



a. The development of the branchial region. (Amniota, inch Homo sapiens) 



b. The early development of the thyroid gland. (Amniota, inch Homo sa- 

 piens) 



SMITH, S. T. B.Sc. — Dept. of Zool., Univ. Coll. of South Wales and Mon- 

 mouthshire, CARDIFF, Wales 

 a. Embryology. Limapontia depressa, Retusa spec. (R. alba?) (Saccoglossa, 

 Opisthobranchia) 



SMITTEN, Mrs. N. A. Cand.med.sci. — Inst, of Animal Morphol., Acad, of 

 Sci. of the U.S.S.R., First Academic St. 12, MOSCOW V-133, U.S.S.R. 



a. Development of the sympathoadrenal system. (Amphibia; Aves; Mam- 

 malia) 



b. Study of neuro-humoral regulation of melanogenesis. (Mammalia) 

 SMOLKER. R. E. B.S., M.A., Ph.D., Prof. — Dept. of Biol., State Univ. of 



New York at Stony Brook, STONY BROOK, N.Y., U.S.A. 

 a. Migration and localization of primordial germ cells. (Aves), Didelphys 



virginiana (Marsupialia) 

 SMRECZYNSKI, S. Ph.D. — Zool. Dept., Jagiellonian Univ., sw. Anny 6, 



KRAKOW, Poland 



(no embryological work in progress) 

 SNELLEN, H. A. Med.Dr., Prof. — Dept. of Cardiol., Fac. of Med., Acad. 



Ziekenhuis, LEIDEN, Netherlands 

 a. Heart and vessels in congenital malformations. Homo sapiens (Primates) 



(in collaboration with J. DANKMEIJER, Miss A. DEKKER and Miss 



H. C.vanlNGEN) 

 SOKOLOVA, Mrs. Z. A. — Dept. of Embryol., Fac. of Biol., Moscow Univ., 



MOSCOW V-234, U.S.S.R. 



a. The influence of ionizing radiation on structure and function of retinal 

 cells. Rana spp. (Anura) 



b. The development and structure of the eye. Limnaea stagnalis (Gastro- 

 poda) 



c. Regeneration of the eye lens. Limnaea stagnalis (Gastropoda) 

 SOLfiRE, M. Dr.en Med. — Lab. d'Embryol., Fac. de Med., 45 Rue des Sts. 



Peres, PARIS Vie. France 

 a. Developpement normal et anormal de l'appareil digestif. Mus rattus (Ro- 

 dentia), Homo sapiens (Primates) 



152 



