Iwa-Jd 



IWATA. F. M.Sc, D.Sc. — Zool. Inst.. Fac. of Sci.. Hokkaido Univ., 



North 8. West 5, SAPPORO, Japan 

 a. Studies on the comparative embryology with special reference to taxo- 



nomic interrelationships. (Nemertea) 

 lYEIRI, Miss S. M.Sc. D.Sc. — Dept. of Biol.. Fac. of Sci.. Kyushu 



Univ.. FUKUOKA. Japan 



a. Inductive effects of embryonic juice. Triturus pyrrhogaster (Urodela). 

 Gallus domesticus (Aves) 



b. Fractionation of inductive agents from mammalian tissues (normal, 

 regenerating and cancer tissues). Triturus pyrrhogaster (Urodela), 

 Rattus spec, Cavia spec (Rodentia) 



c. Inducing substances in animal tissues. Triturus pyrrhogaster (Urodela), 

 Gallus domesticus (Aves), Rattus norvegicus albinus (Rodentia) 



JACOB, J. M.A.. Ph.D. — Inst, of Animal Genet., Univ. Dept. of Genet.. 

 King's Buildings. West Mains Rd.. EDINBURGH 9, Scotland 



a. Ultrastructure and ultrastructural cytochemistry of nucleolus in larval 

 salivary gland cells. Smittia parthenogenetica (Chironomidae, Diptera) 

 (in collaboration with J. L. SIRLIN) 



b. Biochemical characterization of nuclear ribonucleic acids in larval 

 salivary gland cells. Smittia parthenogenetica (Chironomidae, Diptera) 

 (in collaboration with J. L. SIRLIN) 



c. Ultramorphology of secretion in larval salivary glands. Bradysia my- 

 corum (Sciaridae, Diptera), Smittia parthenogenetica (Chironomidae, 

 Diptera) (in collaboration with A. JURAND) 



JACOBS. J. Ph.D. — Zool. Inst, der Univ.. Rontgenring 10. WuRZBURG. 

 Deutsche Bundesrepublik 



a. Regulation and environmental control of relative growth rates of the 

 head in cyclomorphic animals. Daphnia galeata, D. mendotae (Clado- 

 cera, Crustacea) 

 JACOBS. W. P. A.B.. Ph.D. — Dept. of Biol. Princeton Univ., Box 704. 

 PRINCETON. N.J.08540, U.S.A. 



a. Experimental developmental morphology, using controlled environment 

 chambers, electronic computer processing of data, and studies of hor- 

 monal effects on organ and cell differentiation. Caulerpa prolifera 

 (Siphonales, Algae) , Coleus hlumei (Lahiatae) 

 JACOBSON. Mrs. A. E. Fil.mag. — Zool. Inst.. Univ. of Uppsala, UPP- 

 SALA. Sweden 



a. The mechanism of neurulation. Amby stoma mexicanum (Urodela) (in 

 collaboration with D. C.-O. JACOBSON) 

 JACOBSON. A. G. A.B., Ph.D.. Prof. — Dept. of Zool.. The Univ. of 

 Texas, AUSTIN, Tex. 78712. U.S.A. 



a. Induction and positioning of the nose, lens and ear. Taricha torosa 

 (Urodela) 



h. Factors controlling the segregation of the optic vesicle into pigmented 

 retinal epithelium and sensory retina. Taricha torosa (Urodela) 



c. Characterization of the endodermal substance that induces heart de- 

 velopment. Taricha torosa (Urodela) 

 JACOBSON, D. C.-O. Fil.Dr. — Zool. Inst., Univ. of Uppsala, UPPSALA, 

 Sweden 



a. Determination of the central nervous system. Ambystoma spec. (Urode- 

 la) 



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