WATANABE. K. M.Sc. — Lab. of Developm. Biol., Zool. Inst., Fac. of Sci., Univ. of 



Kyoto. KYOTO, Japan 

 WATANABfi, T. Dr. — Dept. of Biol., Fac. of Sci., Konan Univ., Okamoto, Motoyama- 



cho, Higashi-nada-ku, KOBE, Japan 

 a Change of ultrastructure during differentiation of embryonic cells. (Amphibia) 

 WATERMAN, Allyn J. Ph.D. — Extramural Programs, Natl. Inst, of Child Health and 

 Human Developm.. Natl. Inst, of Health, BETHESDA. Md. 20014. U.S.A. • 



a Development of structure and function of the thyroid, hypophysis and neuro-secretory 



system, (higher Vertebrata) 

 b Function of the thyroid gland. Eptatretus stouti (Myxinoidea, Cyclostomata) 

 c Limb regeneration and prolactin. Diemyctylus viridescens (ilrodela) 

 WATTERSON. R. L. Ph.D., Prof. — Dept. of Zool, Univ. of Illinois. URBANA. 111. 

 61S01, U.S.A. • 



a Effects of hypophysectomy on development of musculus complexus and long bones. Gallus 



domesficus. Anas boschas (Aves) 

 b Correction of defects in pituitaryless embryos with anterior pituitary grafts and injections 



of trophic hormones. Gallus domesficus. Anas boschas (Aves) 

 c Sources and mechanisms of development of lumbosacral level of neural tube with emphasis 



on development of myeloschisis. Gallus domesficus (Aves) 

 d Effects of aminoguanidine sulfate on development of liver, mesonephros. metanephros and 



heart. Gallus domesficus (Aves) 

 WATTS, G. T. Ch.M., F.R.C.S. — Dept. of Surg.. Queen Elizabeth Hosp.. Edgbaston, 



BIRMINGHAM 15, England 

 a Origin of cells in healing wounds, 

 b Relation of regeneration to reactions of immunity. 



c Nature of wound healing in relation to components involved and responsible (mucopoly- 

 saccharides and collagen), 

 d Manganese in relation to wound healing. 



WAYMOUTH, Miss C. Ph.D. — The Jackson Lab.. BAR HARBOR. Me. 04609. U.S.A. 

 a Development of Na-K activated ATPase in kidney and lung, in vivo and in vitro. 



Mus musculus (Rodenfia) 

 WEAKLY (SHAW), Mrs. B. Ph.D. — Dept. of Anat.. Univ. of Dundee, DUNDEE DDl 



4HN, Scotland, U.K. 

 a Cytochemical and autoradiographic investigations of developing germ cells on the electron 



microscopic level. Mesocricefus aurafus (Rodenfia) 

 WEBER, R. Ph.D., Prof. — Div. of Cell Biol, and Chem. Embryol., Zool. Inst., Univ. of 

 Bern, Sahlistr. 8. CH-3000 BERN, Switzerland • 



a Mechanism of tissue involution during metamorphosis. Xenopus laevis (Anura) (in collab- 

 oration with J.-C. PERNARD) 

 b Effects of thyroxine on isolated tadpole tails. Xenopus laevis (Anura) (in collaboration 



with Miss E. D. HICKEY) 

 c Thyroxine and RNA synthesis in tadpole tissues. Xenopus laevis (Anura) (in collaboration 



with H. STADLER) 

 d Comparative biochemistry and ultrastructure of mitochondria in embryonic systems, (in 



collaboration with A. KISTLER) 

 e Developmental significance of cytoplasmic DNA. Xenopus laevis (Anura) (in collaboration 



with P. WELLAUER) 

 WEBER, W. Dr.rer.nat. — Inst, fur vergl. Tierphysiol. Univ., Weyertal 119. 5 KGLN- 

 Lindenthal, W.Germany 

 (no embryological work in progress) 

 WEBSTER, G. C. Ph.D. — School of Biol. Sci., Univ. of Sussex, Falmer, BRIGHTON, 



Sussex, England 

 a Regeneration, regulation and pattern formation. Hydra spec. (Hydroidea) 

 WECHSLER, W. Dr.med. — Max-Planck Inst, fur Hirnforsch., Abt. fiir allgem. Neurol.. 



Ostmerheimerstr. 200, 5 KOLN-Merheim, W.Germany 

 W^GLARSKA. Miss B. D.Sc. — Zool. Dept.. Jagiellonian Univ.. ul.Krupnicza 50, KRA- 

 KOW, Poland 

 a Histochemical studies on development. Melasoma populi (Coleopfera) 

 WEGMANN, R. Dr.en Med., Dr.es Sci., Prof. — Inst. d'Histochim. Med., Fac. de Med. 



de Paris, 45 rue des Sts. Peres, PARIS Vie, France 

 a Enzymology and metabolic pathways of morphogenesis 

 WEHRMAKER, A. H. Dr.rer.nat. — Dept. of Biol., Fac. of Arts and Sci., Dalhousie Univ., 



HALIFAX. N.S., Canada 

 WEIDELI, H. J. Dipl.Phil.II — Zool.-Vergl. Anat. Inst.. Univ. Ziirich. Kiinstlergasse 16, 



CH-8006 ZURICH, Switzerland 

 a Nucleic acids of various mutants. Drosophila melanogasfer (Dipfeca) 

 WEIDMAN, Th. A. Ph.D. — Dept. of Anat, Louisiana State Univ., 1542 Tulane Ave.. 

 NEW ORLEANS. La. 70112, U.S.A. 



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