Sil^-Sla 



a. Culture de tissus cancereux sur des organes embryonnaires de poulet 

 explantes in vitro. Mus musculus, Rattus rattus, Homo sapiens 

 (Mammalia) 

 SILfiN, L. K. P. Fil.Dr., Prof. — Zool. Inst., Univ. of Stockholm. 70A Rad- 

 mansgatan, STOCKHOLM, Sweden 

 a. Embryology. (Bryozoa) 

 SILVER, P. H. S. M.B., B.S., Ph.D. — Anat. Dept., Middlesex Hosp. Med. 

 School LONDON W. 1, England 



a. Secondary inductive systems. Gallus domesticus (Aves) 



b. Causal analysis of eye morphogenesis. Gallus domesticus (Aves) 

 SIMONSBERGER, P. — Dept. of Embryol., Fac. de Ci. Med., Universidad 



de Los Andes, MfiRIDA, Venezuela 



a. Teratology. Homo sapiens (Primates) 



b. Development of mammary gland. Homo sapiens (Primates) 



c. Comparative embryology of laboratory animals. 



SIMS, R. T. M.A., M.B. — Anat. School, Univ. of Cambridge, CAMBRID- 

 GE, England 



a. Development of melanocytes. Xenopus laevis (Anura) 



b. Development of spinal cord. Xenopus laevis (Anura) 



SINCLAIR, J. G. B.S., M.S., Ph.D. — Dept. of Anat., Med. Branch, Univ. of 

 Texas, GALVESTON, Tex., U.S.A. 



a. Anterior cerebral nerve plexus in adult and fetus. Tursiops truncatus, 

 Oryctolagus cuniculus, Mus musculus, Homo sapiens (Mammalia) 



b. Continued study of transplacental effects of drugs. Mus musculus (Ro~ 

 dentia) 



c. Development of head structure with special attention to cranial nerves, 

 blowhole and ear. Prodelphinius coerulealbus (Cetacea) 



SINGER, M. B.S., M.A., Ph.D., Prof. — Developm. Biol. Center, Dept. of 

 Anat., School of Med., Western Reserve Univ., 2127 Cornell Road, 

 CLEVELAND 6, Ohio, U.S.A. 



SINGER, R. M.B., Ch.B., D.Sc, F.R.S.S.A., FRAI, Prof — Dept of Anat. 

 Univ. of Chicago, CHICAGO 37, 111.. U.S.A. 



a. General embryology. Homo sapiens (Primates) 



b. General embryology. Hystrix africaeaustralis (Rodentia) 



SINGH, I. M.B.B.S., M.S. — Dept. of Anat., Med. Coll., ROHTAK, Punjab, 

 India 

 a. Prenatal development of enterochromaffin cells. Homo sapiens (Primates) 



SINHA, A. K. M.Sc. — Dept. of Zool., Presidency Coll., College St., CAL- 

 CUTTA 12, India 

 a. Determination and individuation. Hydra spec. (Coelenterata) (in collab- 

 oration with J. MITRA and S. MOOKERJEE) 



SIRAKAMI, K. I. Sc.Dr., M.I.I.E. — Dept. of Biol., Yamanashi Univ., KO- 

 FU, Japan 



SIRLIN, J. L. Dr.Nat.Sci., M.I.I.E. — Inst, of Animal Genet., Univ. Dept. of 

 Genet., King's Buildings, West Mains Road, EDINBURGH 9, Scotland 



a. Differentiation of protein and nucleic acids in embryonic cells. (Dip- 

 tera; Amphibia) 



b. Histochemical autoradiographical studies on mucopolysaccharides in the 

 salivary gland. Drosophila spec. (Drosophilidae, Diptera), Brady sia spec. 

 (Chironomidae, Diptera), Smittia spec. (Sciaridae, Diptera) (in collab- 

 oration with K. KATO) 



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