SIMOES, I., C. G.; Ph.D. - Dept. de Biol., Inst, de Biocienc, Univ. de Sao Paulo, C.P. 11461, 1000 



SAO PAULO, BrazU 

 a Effect of drugs on development. Trichosia pubescens, Rliynchosciara angeiae (Diptera) 

 b Effects of caffeine and ionizing radiation on embryonic development. Biomphalaria glabrata 



(Gastropoda) 

 SIMON, M. I.; Ph.D., Prof. - Ctr. for Devi. Biol. B-022, Univ. of California, San Diego, LA JOLLA, 



CA 92093, USA 

 a Nature of membrane receptors and mechanisms of endocy toses; transmembrane signaling; genetic 



mechanisms involved in cell differentiation and the regulation of gene expression 

 SINGER, M.; Ph.D., Prof. Dept. of Anat., Developm. Biol. Ctr., Case Western Resei-ve Univ., 2119 



Abington Rd., CLEVELAND, OH 44106, USA 

 a Regeneration. (Amphibia) 



b The neurotrophic control of limb regeneration. Triturus viridescens (Urodela) 

 SINGER (ALTBEKER), Ms. R.; Ph.D. - Endocrinol. Unit of the Rogoff-Wellcome Med. Research 



Inst., Beilinson Hosp., PETAH-TIKVA, Israel 

 SINGH, Ms. M.; M.Sc. - Dept. of Zool., Univ. of Allaliabad, ALLAHABAD 211002, India 

 a Postembryonic development of optic lobes and its relation with the brain. Sarcophaga ruficornis 



(Diptera) 

 b Metamorphic changes in brain and nerve cord. Hypsa spec. (Lepidoptera) 

 SINGH, M. M.; Ph.D. - Centr. Drug. Res. Inst., LUCKNOW, India 

 a Steroid metabolism in blastocysts in vitro (radiolabelling, thin layer and paper chromatography). 



Oryctolagus cuniculus (Lagomorpha) 

 b Determination of estrogen in preimplantation embryos. Same species as a 

 c Mechanism of implantation. Meriones unguiculatus (Rodentia) 

 d Hormonal dependence of zona loss and implantation. Same species as c 

 SINGH, S.; M.S., Prof. - Dept. of Anat., Inst, of Med. Sci., Banaras Hindu Univ., VARANASI 221005, 



India 

 a Teratological effect of cyclophosphamide on embryonic brain. Gallus domesticus (Aves) 

 b Teratological effect of chlorpromazine and papain on fetus. Rattus spec. (Rodentia) 

 c Teratological effect of cyclophosphamide on limb cartilage. Same species as b 

 d Fetal hemorrhages following amniocentesis. Same species as b 

 e Effect of catecholamines on developing aortic arches and heart. Same species as a 

 f Effect of hypervitaminosis A on developing auditory and visual apparatus. Same species as b 

 g Survey on incidence of congenital malformations in newborns in the Varanasi zone. Homo 



sapiens (Primates) 

 SINGH, S. D.; M.Sc. - Dept. of Biochem., Fac. of Sci., Allahabad Univ., ALLAHABAD 211002, India 

 a Variation studies in some enzymes (GOT, GPT, phosphatases, phosphorylase, trehalase and 



lipase) and metabolites (protein, total free amino acids, nucleic acids, total carbohydrates, 



reducing sugars, glycogen, inorganic phosphorus, lactate, pyruvate, cholesterol, glycerol and total 



lipid) during embryogenesis, larval-pupal development, intersegmental muscle of diapause pupae, 



fifth instar silk gland and adult thoracic muscles. Antheraea mylitta, Philosamia ricini (Lepi- 

 doptera) 

 SINGH, Y. N.; Ph.D. - Zool. Dept., Allahabad Univ., ALLAHABAD 211002, India 

 a Metamorphic changes (especially histochemistry) of brain and nerve cord. Sarcophaga ruficornis, 



Chironomus spec. (Diptera), Hypsa spec, Philosamia ricini (Lepidoptera) 

 b Metamorphic changes in the morphology and secretory activity of neurosecretory cells. Philosamia 



ricini (Lepidoptera), Poikilocerus pictus (Orthoptera) 

 SINGHAS, C. A.; Ph.D. - Dept. of Obstet. and Gynecol., Div. of Reprod. Biol., Med. School, Univ. of 



Vhginia, Bo.x 387, CHARLOTTESVILLE, VA 22903, USA 

 a Role of prolactin and steroid hormones in uterine function. Mus musculus (Rodentia) 

 SINHA, A. A.; Ph.D., Assoc. Prof. - Dept. of Zool., Univ. of Minnesota, Vet. Adm. Hosp. Bldg. 49, 



Rm. 207, MINNEAPOLIS MN 55417. USA 

 SIRLIN, J. L.; Dr. nat. sci.. Prof. - Dept. of Anat., Med. Coll., Cornell Univ., 1300 York Ave., NEW 



YORK, NY 10021, USA 

 SKALKO, R. G.; Ph.D., Prof. - Dept. of Anat., Coll. of Med., East Tennessee State Univ., Box 



19960A, JOHNSON CITY, TN 37601, USA 

 a Synergetic effects of antimetabolites. Mus musculus (Rodentia) 

 b Placental transfer of toxic substances. Same species as a 

 SKINNER, Ms. D. M.; Ph.D., Prof. - Biol. Div., Oak Ridge Natl. Lab., P.O. Box Y, OAK RIDGE, TN 



37830, USA 

 SKINNER, J. D.; Ph.D., Prof. ~ Mammal Res. Inst., Univ. of Pretoria, PRETORIA 0001, S. Africa 

 SKOOG F • Ph D Prof. - Inst, of Plant Developm. and Dept. of Bot., Univ. of Wisconsin, Birge HaU, 



MADISON, WI 53706, USA 

 SLAVKIN H C • D D.S., Prof. - Lab. Devi. Biol., Dept. of Basic Sci., Div. of Biochem., Sch. of Dent., 



Univ.'of S. California, Gerontol. Ctr., LOS ANGELES, CA 90007, USA 

 a Epithehal-mesenchymal interactions during odontogenesis (immunological, biochemical and 



structural parameters). Mus musculus (Rodentia), Oryctolagus cuniculus (Lagomorpha) 

 b Glucocorticosteroid-induced congenital craniofacial malformations in A/jax and C57BL/6 strains, 



especially major histocompatibility haplotype, maternal liver function and steroid-receptor 



interactions. Mus musculus (Rodentia) 

 SMALLS, Ms. C. M.; M.Sc. - Dept. of Anat., Milton S. Hershey Med. Ctr., Pennsylvania State Univ., 



HERSHEY, PA 17033, USA 

 a Time at which sensory nerve endings first appear and their development in larynx, oral cavity and 



fingertips (light and electron microscopy). Macaca mulatta (Primates) 



85 



