a. Physiological and chemical studies in yolk. (Pisces, Amphibia) 

 SUNDELL (f HORSELL), Mrs. G. Fil.Kand. — Inst, of Zoophysiol., Univ. 

 of Uppsala, UPPSALA, Sweden 

 a. The primary sex rate. (Mammalia) (in collaboration with P. E. LIN- 

 DAHL) 

 SWANN. M. M. M.A., Ph.D.. Prof. — Dept. of Zool., Univ. of Edinburgh, 

 West Mains Road, EDINBURGH 9, Scotland 



a. Fertilization and cleavage. (Echinoidea) 



b. Division and growth in micro-organisms. 



SWARTZ. G. E. B.A.. M.A., Ph.D. — Dept. of Biol., Univ. of Buffalo, 



BUFFALO 14, N.Y., U.S.A. 

 a. Descriptive embryology, experimental embryology and regeneration. Cri~ 



cetus auratus (Rodentia) 

 SZANKOWSKA. Z. M.V.Sc — Lab. of Histol. and Embryol., Veter. Fac, 



ul. Grochowska 272, WARSZAWA, Poland 

 a. Histochemical aspects of oogenesis. Salamandra maculosa (Urodela) 

 SZARSKI, K. W. Ph.D. — Zaklad Anat. Porownawczej, Inst. Zool. Uniw., 



ul. Sienkiewicza 21, WROCLAW, Poland 

 SZEKELY. G. M.D. — Dept. of Anat., Univ. Med. School, Dischka u 5, 



PfiCS, Hungary 



a. Analysis of ambulatory movement by transplantation of cervical or 

 lumbal cord segments and limbs into midthoracic level. Pleurodeles 

 Waltlii (Urodela) 



b. Reflexes and behaviour-patterns elicited by transplanted supernumerary 

 extremities (wing or leg). Gallus domesticus (Aves) (in collaboration 

 with J. SZENTAGOTHAI) 



SZENTAGOTHAI. J. M.D., Prof. — Dept. of Anat., Univ. Med. School, 



Dischka u 5, PfiCS, Hungary 

 a. Reflexes and behaviour-patterns elicited by transplanted supernumerary 



extremities (wing or leg). Gallus domesticus (Aves) (in collaboration 



with G. SZEKELY) 

 SZUBINSKA (KILARSKA), Mrs. B. S. — Zaklad Anat. Porownawczej U.J. 



im H. Hoyera, sw. Anny 6, KRAKOW, Poland 

 a. Yolk. (Teleostei) 

 TAHARA, Y. — Lab. of Morphol., Osaka Lib. Arts Univ., IKEDA, Osaka- 



Pref., Japan 

 TAHMISIAN, T. N. B.A., M.S., Ph.D. — Argonne National Lab., P.O. 



Box 299, LEMONT, 111., U.S.A. 



a. Effects of ionizing irradiations on tissue differentiation and metabolism 

 in embryos. Melanoplus diff. differentialis (Orthoptera) 



b. Dose rate effect upon teratogenesis. Melanoplus diff. differentialis 

 (Orththoptera) 



c. Organelle induction and differentiation in spermatogenesis as effected by 

 X irradiation. Melanoplus diff. differentialis (Orthoptera) 



TAKAHASHI. H. M.Sc. — Dept. of Zool., Fac. of Sci., Hokkaido Univ., 

 North 8, West 5, SAPPORO, Japan 



a. The action of steroid hormones on sex differentiation. Rana spec, Hula 

 spec. (Anura) 



b. Malformation of limbs caused by estrogenic hormone. Bufo spec. (Anura) 

 TAKAMI, T. — Dept. of Physiol., Sericult. Exper. Stat., Koenji, Suginami-ku, 



TOKYO, Japan 



121 



