collaboration with Miss M. M. PERRY) 

 e. Types of RNA synthesized in early embryonic tissues. (Amphibia) (in 

 collaboration with Mrs. E. PERKOWSKA (MOSER) 

 WAELSCH, Mrs. S. GLUECKSOHN Ph.D.. M.I. I.E.. Prof. — Dept. of 

 Genetics, Albert Einstein Coll. of Med.. Eastchester Road and Morris 

 Park Ave.. NEW YORK. Bronx. N.Y. 10461. U.S.A. 



a. Developmental physiology. Mus musculus (Rodentia) 



b. Developmental genetics. Mus musculus (Rodentia) 



c. Developmental pathology. Mus musculus (Rodentia) 



WAL. U.P. van der M.Sc. — Zool. Lab.. State Univ. of Utrecht. Janskerk- 

 hof 3, UTRECHT, Netherlands 

 a. Nucleic acid and protein-synthesis during early development, studied by 

 the electron-autoradiographic technique. Limnaea stagnalis (Gastropo- 

 da) 



WALASH. M.N. B.Sc — Dept. of Zool. Fac. of Sci., Ain Shams Univ., 

 Abassia, CAIRO, Egypt 



a. Studies on regeneration in tadpoles. Bufo regularis (Anura) 



b. Effect of some pharmacological and other chemical substances on regene- 

 ration of tadpoles. Bufo regularis (Anura) 



WALKER. B.E. B.Sc. M.Sc. Ph.D.. Prof. — Dept. of Anat., Med. Branch. 

 Univ. of Texas, GALVESTON. Tex., U.S.A. 



a. Development of secondary palate. Mus musculus (Rodentia) 



b. Embryology of cortisone induced cleft palate. Mus musculus (Rodentia) 

 c Effects on fetal development of mechanically altering the fetal environ- 

 ment. Mus musculus (Rodentia) 



d. Some histochemical observations on embryonic mesenchyme. Mus mus- 

 culus (Rodentia) 



e. Radioautographic study of interkinetic nuclear migration in the neural 

 tube. Gallus domesticus (Aves) 



f. The lethal effect of cortisone on embryos with spontaneous cleft lip — 

 cleft palate. Mus musculus (Rodentia) 



g. Effects of transplantation on the histogenesis of transitional epithelium. 

 Mus musculus (Rodentia) 



h. Radiation injury resulting from nuclear labeling with tritiated thymidine 



in the embryo. Gallus domesticus (Aves) 

 ). Effects of hypervitaminosis A on palate development in two strains. Mus 



musculus (Rodentia) 

 k. Abnormal palate morphogenesis in embryos induced by riboflavin 



deficiency. Mus musculus (Rodentia) 

 1. Radioautographic study of cell migrations in embryos with thymidine-H-"^. 



Mus musculus (Rodentia) 

 m. Changes in amniotic sac fluid after administration of teratogens. Mus 



musculus (Rodentia) 

 n. Cleft palate caused by triamcinolone. Mus musculus (Rodentia) 

 WALLACE, H. M.A., D.Phil. — Dept. of Biol.. Amherst College. AM- 

 HERST. Mass., U.S.A. . 

 a. Developmental genetics and nucleolar metabolism. Xenopus laevis 



(Anura) 

 h. Developmental physiology. (Ascidiae) 

 WALLACE, R. A. Ph.D. — Biol. Div., Oak Ridge National Lab.. P. O. 



Box Y, OAK RIDGE, Tenn., U.S.A. 



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