cells; identification of chemical groups at cell surfaces; effects of en- 

 zymes upon intercellular adhesion). (Podfera), Gallus domestkus 

 (Aves) 

 d. Mechanisms of nerve-end organ integration (studies of reflex behavior 

 after regeneration of sensory nerves into a topographically rearranged 

 integumental field). Rana pipiens (Anura) 



STEINII Z, H. Ph.D. — Dept. of Zool., Hebrew Univ. of Jerusalem, JERU- 

 SALEM. Israel 

 a. Regeneration. (Salamandridae, Urodela) 



STENGER (HAFFEN). Mrs.K.E. Dr.es Sci., M.I.I.E. — Inst. d'Embryol. 

 €t Teratol. exper. du C.N.R.S., 49bis Avenue de la Belle Gabrielle, 

 NOGENT sur Marne (Seine), France 



— Lab. d'Embryol. exper. du Coll. de France, 11 Place Marcelin Ber- 

 thelot. PARIS Ve, France 

 a. Recherches sur la differenciation et I'intersexualite in vitro et in 

 vivo des gonades embryonnaires. (Aves) (en collaboration avec Et. 

 C.WOLFF) 



STfiPHAN, Fr. Dr.es Sci.. Prof. — Lab. de Zool. Gener., Fac. des Sci. de 

 Nancy, 30 Rue Ste Catherine, NANCY, France 



a. Les malformations cardio-vasculaires: analyse causale de Taction tera- 

 togene de diverses substances, par ex. bleu trypan. Gallus gallus (Aves) 



b. Teratologie: origine, evolution et transmission des lesions, excroissances 

 et duplications. Dugesia tigrina (Turbellaria) (en collaboration avec 

 J.SCHILT) 



c. Developpement du systeme tracheen, chez I'embryon et la larve (etude 

 experimentale). Tipula [lavolineata (Diptera) (en collaboration avec 

 J.C.PIHAN) 



STEPHAN (DUBOIS), Mrs.F. Dr.es Sci., M.I.I.E. — Lab. de Zool. 



Gener., Fac. des Sci. de Nancy, 30 Rue Ste Catherine, NANCY. France 

 a. Migration et differenciation des cellules de regeneration. Planariidae 



d'eau douce, Oligochaeta microdrila, Polychaeta errantia) 

 STEPHENSON. Mrs.E.M. M.Sc, Ph.D.. Prof. — Dept. of Zool.. School 



of Biol. Sci.. Univ. of New South Wales. P.O.Box 1, KENSINGTON. 



N.S.Vv^., Australia 



a. The behaviour of epithelial cells. Amphibolutus barbatus (Reptilia), 

 Gallus domesticus (Aves), Mus musculus (Rodentia) 



b. Organ and cell culture. Limnodynastes peroni (Leptodactylidae, Anu- 

 ra) 



c. Culture of larval hearts. Mordacia mordax (Cyclostomata) 

 STEPHENSON. N.G. M.Sc. Ph.D. — Zool. Building, School of Biol. 



Scis., Univ. of Sydney, SYDNEY, N.S.W.. Australia 



a. Embryonic tissue and cell culture. Limnodynastes peroni (Leptodactyli- 

 dae, Anura), Amphibolurus barbatus (Agamidae, Lacertilia) 



b. Descriptive embryology. (Macropidae, Peramelidae, Phalangeridae, 

 Marsupialia) 



STERN. C. Ph.D., Prof. — Dept. of Zool., Univ. of California, BERKE- 

 LEY 4, Calif.. U.S.A. 

 a. Developmental genetics of pattern formation. Drosophila melanogaster 

 (Diptera) 

 STERN. K. M.D., Prof. — Dept. of Pathol., Coll. of Med.. Univ. of Illinois, 

 1853 W.Polk St.. CHICAGO. 111. 60612. U.S.A. 



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