a. Axial differentials in methylene blue reduction and indophenol blue 

 reaction. Notoplana humilis (Polycladidea) 



b. Effects of thiourea and N-phenyl-thiourea on the pigmentation. Dugesia 

 gonocephala (Tricladidea) 



SUGIYAMA, M. M.A., D.Sc. — Mar. Biol. Stat.. Nagoya Univ., Suga- 

 shima-cho, TOBA, Mie-ken, Japan 

 a. Physiological studies on fertilization and artificial parthenogenesis. Hemi" 

 centrotus pule her rimus, Pseudoeentrotus depressus (Echinoidea) (in col- 

 laboration with M. ISHIKAWA) 

 SUKIRNA, M. Prof. — Fakultas Kedokteran, Universitas Indonesia, Bag. 

 Ilmu Djaringan Tubuh, Salemba no. 6, DJAKARTA, Indonesia 

 a. Tail regeneration. GecA;o (Lacertilia) 

 SULLIVAN, G. E. M.Sc. — Dept of Zool. Univ. of Sydney, SYDNEY. 

 N.S.W., Australia 

 a. Development of musculature in the wing. Gallus domesticus (Aves) 

 SUNDELL, Mrs G. Fil.Kand. — Inst, for Zoophysiol., Uppsala Univ., 

 UPPSALA, Sweden 

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

 DAHL) 

 SUNDELL, L. E. Fil.mag. — Inst, for Zoophysiol., Uppsala Univ., UPP- 

 SALA, Sweden 

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

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

 West Mains Rd., EDINBURGH 9, Scotland (U.K.) 



a. Fertilisation and cleavage. (Echinoidea) 



b. Division and growth. Micro-organisms 



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



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

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



ul. Sienkiewicza 21, WROCLAW, Poland 



a. Development of the kidneys. (Teleostei and Anura) 



b. Development of genital tracts and accessory glands. (Chiroptera) 

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



Pref., Japan 



a. Tail formation. Rana (Anura) 



b. Formation of digestive tract. Rana, Triturus, Hynobius (Amphibia) (in 

 collaboration with O. NAKAMURA) 



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



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

 a. Effects of ionizing irradiations on tissue differentiation and metabolism 



in embryos. Melanoplus differentialis differentialis Thomas (Orthop- 



tera) 

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



TOKYO, Japan 



a. Embryology with special reference to the dormancy and activation of 

 the hibernating egg. Bombyx mori L. (Lepidoptera) 



b. Tissue culture and in vitro studies on the embryo, yolk cell and other 

 egg components. Bombyx mori L. (Lepidoptera) 



TAKAMOTO, K. M.Sc. — Lab. Exper. Embryol., Inst, of Polytechn., 

 Osaka City Univ., Minami-Ogimati, Kita-ku, OSAKA, Japan 



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