STEINITZ, H. Ph.D. — Dept. of Zool., Hebrew Univ. of Jerusalem, JERUSALEM, Israel 



• STENGER (HAPPEN) , Mrs. K. E. Dr.es Sci. — Inst. d'Embryol. et Teratol. exper. du 



C.N.R.S.. 49 bis Av. de la Belle Gabrielle, 94-NOGENT-sur-MARNE, Prance 



— Lab. d'Embryol. exper. du Coll. de France, 1 1 Place M. Berthelot, PARIS Ve. France 

 a Recherches sur la differenciation et I'intersexualite in vitro et in vivo des gonades 



embryonnaires. (Aves) 

 h Biosynthese des hormones steroides sexuelles par les gonades embryonnaires. (Aves) 

 STEPHAN, Fr. Dr.es Sci., Prof . — Lab. de Zool.. Pac. des Sci. de Nancy, 30 Rue Ste 



Catherine, 54-NANCY, France 

 a Les malformations cardio-vasculaires: analyse causale de Taction teratogene de diverses 



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

 b Teratologic: 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 llavolineata (Diptera) (en collaboration avec J. C. PIHAN) 



• STEPHAN (DUBOIS), Mrs. F. Dr.es Sci. — Lab. de Zool., Pac. des Sci. de Nancy, 30 



Rue Ste Catherine. 54-NANCY, France 

 a Migration et differenciation des cellules de regeneration. (Planariidae d'eau douce; 



Oligochaeta microdrila; Polychaeta errantia) 

 STEPHENSON, N. G. Ph.D. — School of Biol. Scis., Zool. Building, Univ. of Sydney. 



SYDNEY. N.S.W., Australia 

 a Embryonic tissue and cell culture. Limnodynastes peroni (Leptodactylidae, Anura), Am- 



phibolurus barbatus (Agamidae, Lacertilia) 

 h Descriptive embryology. (Macropidae, Peramelidae, Phalangeridae, Marsupialia) 

 STSRBA, O. — Dept. of Morphol.. Inst, of Vertebr. Zool., Czechoslov. Acad, of Sci.. Drob- 



neho 28, BRNO, Czechoslovakia 

 a Prenatal development of pectoral muscles. (Insectivora; Chicoptera) 

 STERN. C. Ph.D.. Prof. — Dept. of Zool.. Univ. of California. BERKELEY. Calif. 94720 



U.S.A. 

 a Developmental genetics of pattern formation. Drosophila melanog aster (Diptera) 

 STERN, H. Ph.D., Prof. — Dept. of Biol., Univ. of California. San Diego. P.O. Box 109, 



LA JOLLA, Calif. 92037, U.S.A. 

 a Regulation of DNA synthesis during meiotic development. Trillium erectum, Lilium 



longiflorum, Tulipa gesneriana, Vicia faba, Bellevalia romana 

 b Developmental genetics. Marchantia polymorpha 

 STERN, K. M.D., Prof. — Dept. of Pathol.. Coll. of Med.. Univ. of Illinois. 1853 W. Polk 



St., CHICAGO, 111. 60612, U.S.A. 

 a Relationship of reticulo-endothelial function to growth processes, as exemplified by liver 



regeneration after partial hepatectomy. Rattus spec. (Rodentia) 

 h Effect on organ growth of administration of isogeneic subcellular tissue fractions to 



weanlings of inbred strains. Mus musculus (Rodentia) 

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

 a Histogenesis of testicular teratoma (strain 129). Mus musculus (Rodentia) 

 h Developmental genetics. Mus musculus (Rodentia) 

 STEVENSON, J. ROSS Ph.D. — Dept. of Biol. Sci., Kent State Univ., KENT. Ohio 44240, 



U.S.A. 

 a Study of sclerotization (phenolic tanning) of developing cuticle by chemical assays and 



radioisotopes. Orconectes sanborni, O. obscurus (Decapoda, Crustacea) 

 STINSON, B. D. Ph.D. — Dept. of Anat., Med. Coll., Cornell Univ.. 1300 York Ave., NEW 



YORK, N.Y. 10021, U.S.A. 

 STOCK, A. Ph.D., Prof. — Dept. of Zool., Pac. of Sci., Univ. of New England, ARMIDALE 



5 N., N.S.W., Australia 

 a Regeneration and the endocrine system. Blaftella germanica (Dicfyopfera, Insecfa) (in 



collaboration with A. P. O'FARRELL) 

 STOCKDALE, P. E. Ph.D. — Dept. of Med.. School of Med., Stanford Univ., PALO ALTO, 



Calif. 94304. U.S.A. 

 a Mechanisms of skeletal muscle differentiation, with special reference to DNA synthesis 



and cell division. Gallus domesticus (Aves) 

 b Mechanisms of hormone-dependent differentiation in mammary gland tissue in vitro, 



with special reference to DNA synthesis and cell division. Mus musculus (Rodentia) 

 STOCUM. D. L. M.S. — Dept. of Biol., Grad. School of Arts and Sci.; Lab. of Histol. and 



Embryol., School of Dental Med., Univ. of Pennsylvania. PHILADELPHIA. Pa. 19104, 



U.S.A. 

 a Development of intestinal villi. Gallus domesticus (Aves) 

 b Development of regeneration blastemata. Ambystoma maculatum (Urodela) 

 STOLL. R. Dr.en Med.. Dr.es Sci., Prof. — Lab. de Biol.. Pac. de Med.. Univ. de Bordeaux, 



BORDEAUX. Prance 

 a Differenciation sexuelle. (Aves) 



b Physiologic des glandes endocrines embryonnaires. (Aves) 

 c Teratologic. ^ Aves) 



144 



