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) (avec J. SCHILT) 

 c Developpement du systeme tracheen chez la larve (etude experimentale). Tipula \lavolineata 



(Dipteca) (avec J. C. PIHAN) 

 STEPHAN (DUBOIS), Mrs. F. Dr.es Sci. — Lab. de Zool., U.E.R. Phys. Chim. Biol., 



Univ. Nancy I, Case Off. 72, 54 NANCY 01, France • 



a Migration et differenciation des cellules de regeneration. (Planariidae; Oligochaeta micro- 



dtila; Polychaeta errantia) 

 b Anomalies de la regeneration. Same species as a 

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



SYDNEY, N.S.W. 2006, Australia 



(no embryological work in progress) 

 STERBA, O. — Dept. of Morphol., Inst, of Vertebr. Zool., Czechoslov. Acad, of Sci., Kvetna 



8, BRNO, Czechoslovakia 

 a Prenatal development of locomotory apparatus. (Insectivora; Chiroptera; Rodentia) 

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



U.S.A. 

 a Developmental genetics of pattern formation. Drosophila melanogaster (Diptera) 

 b Pleiotropic effect of genes. Same species as a 

 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 [aba, Bellevalia romana (Angiospermae) 

 b Developmental genetics. Marchantia polymorpha (Hepaticae) 

 STERN, I. B. D.D.S., Prof. — Dept. of Oral Biol., School of Dent., Univ. of Washington, 



SEATTLE, Wash. 98105, U.S.A. 

 a Development of epidermis (autoradiography, electron microscopy, biochemistry). Rattus 



spec. (Rodentia) , Homo sapiens (Primates) 

 STERN, K. M.D., Prof. — Dept. of Life Sci., Bar-Ilan Univ., RAMAT-GAN, Israel 

 a Relationship of reticuloendothelial function to growth processes, as exemplified by liver 



regeneration after partial hepatectomy. Rattus spec, Mus musculus (Rodentia) 

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



weanlings of inbred strains. Mus musculus (Rodentia) 

 STERN, S. Ph.D. — Dept. of Popul. Dynamics, Sch. of Hyg. and Publ. Health, Johns 



Hopkins Univ., 615 N.Wolfe St., BALTIMORE, Md. 21205, U.S.A. 

 a Carbohydrate metabolism in pre-implantation embryos as related to glycogen metabolism; 



culture of embryos. Mus musculus (Rodentia), Homo sapiens (Primates) 

 b Composition of ovarian and tubal secretions. Same species as a 

 c Hormonal control of ovulation. Mus musculus (Rodentia) 

 d Ultrastructure of pre-implantation embryos. Mus musculus (Rodentia) 

 e Oocyte maturation. Same species as a 

 STETLER, D. A. Ph.D. — Dept. of Bot., Univ. of Minnesota, MINNEAPOLIS, Minn. 



55455, U.S.A. 

 STEVEN, D. H. M.A.,Vet.M.B. — Anat. School, Sub-Dept. of Vet. Anat, Univ. of 



Cambridge, Tennis Court Rd., CAMBRIDGE CB2 1QS, England 

 a Organization of placental blood vessels in relation to physiological exchange. Ovis aries 



(Artiodactyla) , Equus caballus (Perissodactyla) 

 b Electron microscopy of placenta in relation to physiological exchange. Ovis aries, Bos 



taurus (Artiodactyla), Equus caballus (Perissodactyla) 

 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) 

 b Developmental genetics. Mus musculus (Rodentia) 

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



Ohio 44242, U.S.A. 

 a Study of control of epidermal chitin biosynthesis for the developing cuticle by chemical 



assays and radiotracers. Orconectes sanborni, O. obscurus (Decapoda, Crustacea) 

 STEWART, J. A. Ph.D. — Biochem. Dept., Univ. of New Hampshire, DURHAM, N.H. 



03824, U.S.A. 

 a Turnover of proteins, and regulation of monoamine oxidase activity during central nervous 



system development. Mus musculus (Rodentia) 

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



N.S.W. 2351, Australia 

 STOCKDALE, F. E. M.D., Ph.D. — Dept. of Med., School of Med., Stanford Univ., 



STANFORD, Calif. 94305, 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) 



173 



