Ich 'iS jano 



ICHIKAWA, M. Ph.D., Prof. — Lab. of Embryol. and Exp. Morphol., 

 Zool. Inst., Dcpt of Sci.. Kyoto Univ.. KYOTO. Japan 



a. Hormonal mechanism of metamorphosis. Bombijx mori, Luehdorfia ja- 

 ponka. Philosamia cynthia ricini (Lcpidoptera) (in collaboration with 



b. Regeneration of limb. (Amphibia) co-workers) 

 IKUSHTMA. N. — Lab. of Embryol. and Exper. Morphol.. Zool. Inst.. Dept 



of Sci.. Kyoto Univ.. KYOTO. Japan 



a. Redoxpotential of early embryo. Triturus pyrrhogaster and Rhacophorus 

 schlegclii (Amphibia) 



b. Regional specificity of the inductive faculty of the organizer. 

 IMBRIANO. O. — Central dc Investig.. Minist. de Salud Piibl. de la Nacion, 



Bolivar 1128. BUENOS AIRES, Argentina 



(no data received on Nov. 1", 1953) 

 IMMERS, J. Mag.rer.nat. — Wenner-Grens Inst, for experimental Biology, 



Norrtullsgatan 16. STOCKHOLM Va.. Sweden 



(no data received on Nov. 1=*', 1953) 

 INCE. Miss F. E. M.Sc. — Dept of Zool., Bedford Coll., Regent's Park, 



LONDON N.W. 1. England (U.K.) 



(no data received on Nov. l"*, 1953) 

 ISHIKAWA, M. M.A. (Rigakushi) — The Sugashima Marine Biol. Stat., 



Nagoya Univ.. SUGASHIMA-MURA, Shima-gun, Mie-ken, Japan 

 a. Physiological studies on fertilization and pa-thenogenesis. Hemicentrotus 



pulchcrrimus. Pseudocentrotus depressus (Echinoidea) (in collaboration 



with M. SUGIYAMA) 

 ISINGS. J. M.Sc. — Vezel Inst. T.N.O., Mijnbouwstraat 16a, DELFT, 



a. Cytochemistry of hair development. (Mammalia) Holland 



b. Physiology and endocrinology of hair development. Cavia cobaya Marcor 

 and Miis miisculus (Rodentia) 



c. Investigation of hair development by means of radioautography. Mas 

 mnsculus and Cavia cobaya Marcor (Rodentia) 



JACOBSON. A. A.B. — Dept of Biol. Sci., Stanford Univ., STANFORD, 

 Cal.. U.S.A. 

 a. Experiments on development of the optic vesicle. (Amphibia) 

 JAFFE, L. F. B.S. — Dept of Embryol., Div. of Biol.. CaHf. Inst, of Tech- 

 nol., PASADENA 4, Cal., U.S.A. 

 a. Study of spawning stimuli. Pelvetia fastigiata, Hesperophycus harveya- 



nus (Fucales, Algae) 

 h. Using developing eggs, search for gradient in COo output. Pelvetia 

 fastigiata. Hesperophycus harveyanus (Fucales. Algae) 

 JAGER. B. de M.Sc. — Division of Fisheries, Beach Road. Sea Point, 

 CAPE TOWN. South Africa 

 a. Embryology. Thyrsites atun (Euphr.) (Scombroidea. Neopterygii) 

 JAGERSTEN, K. G. M. Fil.Dr, Prof. — Zool. Inst., Uppsala Univ., UPP- 

 SALA, Sweden 

 a. Larval development. (Polychacta) 

 JANOSKY. L. A.B. — Dept of Anat., Med. School, Univ. of Kansas, 

 LAWRENCE. Kan.sas, U.S.A. 

 a. Histochemical localization of glycogen associated with the central ner- 

 vous system in developmental behaviour. Ambqstoma maculatum (Uro- 

 dcla) (in collaboration with E. WENGER and P. ROOFE) 



