SLABY, O. Dr, Dr, Prof. — Inst, of Histol. and Embryo!.. Fac. of Med., 

 Charles Univ.. Karlovarska ul. 48, PLZEN, Czechoslovakia 



a. The development of the skull. (Amniota) 



b. The development of the limbs. (Amniota) 



c. The development of the nasal cavity. (Amniota) 



SLIJPER, E. J. Dr, Prof. — Zool. Lab. der Univ., Plantage Doklaan 44, 



AMSTERDAM C, Holland 

 a. The embryonic bloodcirculation (ductus Botalli, ductus Arantii etc.) 



(Cetacea, Mammalia) 

 SLiPKA, J. Dr, Dr — Inst, of Histol. and Erabryol., Fac. of Med., Charles 



Univ., Karlovarska 48, PLZEN, Czechoslovakia 



a. The development of the brachial region. (Amniota) 



b. The morphogenesis of the tongue from the standpoint of evolutionary 

 morphology. 



SLOTWINSKI, J. Dr, Prof. — The Acad, of Med., SZCZECIN, Poland 

 SMITH, A. S. A.B. — Dept of Zool., Univ. of Calif., LOS ANGELES 24, 

 Cal., U.S.A. 



a. Induction of neural plate by dead and modified embryonic tissues. (Am- 

 phibia) 



b. Macromolecular transfer from the maternal circulation to the fetus. 

 Oryctolagus cuniculus (Lagomorpha) 



SMITH, Miss B. T. — Dept of Biol., Hamilton Coll., McMaster Univ.. 



HAMILTON, Ontario, Canada 

 SMITH, S. M.A.. Ph.D. — Dept of Zool., Univ. of Cambridge. Downing 



Street, CAMBRIDGE, England (U.K.) 

 SMITHBERG, M. Ph.D. — Roscoe B. lackson Mem. Lab., BAR HAR- 

 BOR, Me, U.S.A. 

 SMRECZYnSKI, S. Ph.D. — Zool. Dept of the Jagellonian Univ., 



St Anne 6. KRAKOW, Poland 



(no embryological work in progress) 

 SNELLEN, H. A. Med. Dr, Prof. — Anat.-Embryol. Lab of the Univ. of 



Leyden, Wassenaarseweg, Boerhaavekwartier, LEIDEN, Holland 

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



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



H. C. V. INGEN) 

 SNOOK, T. B.S., M.S., Ph.D. — Dept of Anat., School of Med.. Univ. of 



North Dakota, GRAND FORKS, N. Dak.. U.S.A. 



a. Studies on the development of the spleen. Homo (Primates) 



b. The relation of reticulum to epidermis in the developing hoof. Sus (Artio- 

 dactyla) 



SOBELS, F. H. Ph.D. — Genet. Inst, der Rijks Univ., Stationsstraat 9. 

 UTRECHT, Holland 



a. Developmental genetics of Abnormal Abdomen as studied in "(AA) CX, 

 D(In/3R) Sb" and "fused" strains. Drosophila melanogaster Meigen 

 (Diptera) 



b. Developmental genetics of some sex-linked postembryonic lethals. Droso- 

 phila melanogaster Meigen (Diptera) 



SOBEY, W. R. Ph.D. — C.S.I.R.O. Anim. Gen. Sect., c^o Dept of Zool., 

 Univ. of Sydney, SYDNEY. N.S.W. Austraha 

 a. Investigations of antibody response. Mus musculus, Oryctolagus cuni- 

 culus (Mammalia) 



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