Wil-Wol 



g. Ontogeny of proteins and amino acids. Fundulus heteroclitus (Tele- 



ostei) 

 h. The energy pathways of differentiating systems. (Vertebrata) 

 WILDE, J de Dr., Prof. — Lab. for Entomol., Agricult. Univ., Binnenhaven 



7, WAGENINGEN, Netherlands 

 a. Endocrine control of reproduction. Leptinotarsa decemlineata (Coleop- 



tera) 

 h. Control of endocrines. Leptinotarsa decemlineata (Coleoptera) 

 WILENS, Miss S. W. A.B. — Dept. of Biol. (Osborn Lab.), Yale Univ., 



NEW HAVEN 11, Conn., U.S.A. 



a. The movements of the entoderm in early stages studied with the use of 

 vital dyes. (Urodela) 



b. Development of the gut and associated structures. Ambystoma punctatum 

 (Urodela) 



WILKINSON, W. J. C. M.B., Ch.B. — Dept. of Anat., Fac. of Med., Univ. 

 of Sheffield, SHEFFIELD, England 

 (no embryological work in progress) 



WILLIAMS, C. M. M.I.I.E. — Biol. Lab., Harvard Univ., Divinity Ave., 

 CAMBRIDGE 38, Mass., U.S.A. 



WILLIAMS, Miss D. R. B.S., M.S. — Dept. of Embryol., Div. of Biol., Cali- 

 fornia Inst, of Technol., PASADENA 4, Calif., U.S.A. 



a. Tissue culture of fertilized eggs and cumulus cells along with early 

 cleavage stages. Mus musculus (Rodentia) 



b. Fertilization by intraperitoneal injection of gonadotropin solution. Mus 

 musculus (Rodentia) 



WILLIAMS, Mrs. M. LYMAN B.S., M.D. — Dept. of Pediatrics, School of 

 Med., Univ. of Pennsylvania, PHILADELPHIA 4. Pa., U.S.A. 



a. Investigation of water uptake and extrusion by mitochondria of newborn 

 animals. Rattus rattus (Rodentia) 



b. Investigation of fatty acid composition of adipose tissue throughout gesta- 

 tion. Homo sapiens (Primates) 



WILLIER, B. H. B.S., Ph.D., Sc.D., F.I.I.E., Prof.(Emer.) — Dept. of Biol., 

 Johns Hopkins Univ., Charles and 34th Sts., BALTIMORE 18, Md., 

 U.S.A. 



a. Histochemical study of the yolk sac membrane, a living transitory organ 

 in which yolk substances are metabolized and/or transported to the grow- 

 ing embryo via the blood circulation. Gallus spec. (Aves) 



b. Ultrastructure of entodermal cells of yolk-sac membrane. Gallus spec. 

 (Aves) 



Univ. of Florida, GAINESVILLE, Fla., U.S.A. 



WILSON, I. B. B.Sc, Ph.D. — Agricultural Research Council Unit of Em- 

 bryol., Dept. of Zool., Univ. Coll. of North Wales, BANGOR, Caernar- 

 vonshire, Wales 

 a. Investigations on the establishment of implantation and early pregnancy. 

 Mus musculus (Rodentia) 



WILSON, J. G. B.A., M.A., Ph.D., Prof. — Dept. of Anat., Coll. of Med., 

 a. Interaction of two or more teratogenic agents. Rattus rattus albinus (Ro- 

 dentia) 



WILSON, J. W. Ph.D., Prof. (Emer.)— Arnold Biol. Lab., Brown Univ., 

 PROVIDENCE 12, R.I., U.S.A. 



178 



