SMIT, A. L.; D.Sc, Prof. - Dept. of Zool., Univ. of Durban-WestvUle, Private Bag X54001, DURBAN 



4000, S. Africa 

 a Developmental morphology and evolution of the columella auris. Caretta caretta (Chelonia) 

 b Early ontogeny of the visceral skeleton, particularly the composition of, and secondary contri- 

 butions to, the hyoid arch. (Vertebrata) 

 SMITH, L. D.; Ph.D., Prof. - Dept. of Biol. Sci., Purdue Univ., WEST LAFAYETTE, IN 47907, USA 

 a Quantitative and qualitative studies on RNA synthesis at several stages of oogenesis. Xenopus 



laevis (Anura) 

 b Steroid receptors in relation to the induction of oocyte maturation. Xenopus laevis, Rana pipens 



(Anura) 

 SMITH, M. J.; Ph.D. - Dept. of Biol. Sci., Simon Eraser Univ., BURNABY, B.C. V5A 1S6, Canada 

 a Comparative analysis of transcriptional products in oogenesis and early development; measure- 

 ment of sequence complexity and homology at various developmental stages of maternal and 



embryonic RNA transcripts. Pisaster ochraceous, Dermasterias imbricata (Asteroidea) 

 SMITH, P. D.; Ph.D., Assoc. Prof. - Dept. of Biol., Emory Univ., ATLANTA, GA 30322, USA 

 a Genetic control and enzymatic basis of DNA repair and recombination. Drosophila melanogaster 



(Diptera) 

 b DNA polymerase activity during developmental stages. Same species as a 

 SMUTS, Ms. M. B. S.; Ph.D. - Natl. Inst, of Dent. Res., Natl. Inst, of Health, Bldg. 30, Rm. 406, 



BETHESDA, MD 20014, USA 

 SOH, W. Y.; Ph.D., Assoc. Prof. - Dept. of Biol., Chonnam Natl. Univ., KWANGJU, Chonnam 500, 



South Korea 

 SOHAL, G. S.; Ph.D. - Dept. of Anat., Med. CoU. of Georgia, AUGUSTA, GA 30902, USA 

 a Cell death and differentiation in the nervous system. Anas platyrhynchos, Gallus domesticus 



(Aves) 

 b Effects of periphery and central connections on the morphogenesis of nuclear centres in the 



brain. Same species as a 

 c Ultrastructure and electrophysiology of the developing trochlear nerve. Anas platyrhynchos 



(Aves) 

 d Development of neuro-muscular relationships, formation of motor endplates and acetylcholine 



receptors in extra-ocular muscles. Same species as a 

 SOLE, D. R.; Ph.D. - Dept. of Zool., Univ. of Iowa, lOWA-City, lA 52242, USA 

 a Metabolic effects and chemical nature of a regulatory molecule involved in the expression of 



the non-growing, stationary phase phenotype. Dictyostelium discoideum (Acrasiales) 

 b The control of transcription during development, employing in vitro transcription systems. 



Same species as a 

 c Accumulation and erasure of "morphogenetic information". Same species as a 

 d Regulation of dimorphism. Candida albicans (Saccharomycetales) 

 SOLLNER-WEBB, Ms. B.; Ph.D. - Dept. of Embryol., Carnegie Inst, of Washington, 1 15 W. University 



Parkway, BALTIMORE, MD 21210, USA 

 a Sequencing the DNA around the initiation site of transcription of 40S ribosomal RNA; the (three) 



initiation sites are precisely located on the DNA by virtue of the cappable (polyphosphate) 5' 



terminus of this 40 S rRNA. Xenopus laevis (Anura) 

 b Detailed analysis of chromatin structure as probed by nuclease cutting sites in bulk (inactive) 



nucleosomes from erythrocytes. Anas platyrhynchos (Aves) 

 SOLURSH, M.; Ph.D., Assoc. Prof. - Dept. of Zool., Univ. of Iowa, lOWA-City, lA 52242, USA 

 a Differentiation of cultured limb bud and sternal chondrocytes: 1. coregulation of collagen and 



chondroitin sulfate synthesis; 2. action and characterization of a conditioned medium factor 



produced by cultured chondrocytes; 3. origins of cartilage and muscle precursor cells in the early 



limb bud; 4. role of cycUc nucleotides. Gallus domesticus (Aves) 

 b Characterization, locahzation and determination of the functions of glycosaminoglycans in early 



embryos. Gallus domesticus (Aves), Rattus spec. (Rodentia) 

 c Mechanism of neural tube malformations. Rattus norvegicus (Rodentia) 

 SOMA, T.; B.Agr.Sc. - Lab. of FertU., Natl. Inst, of Anim. Industry, CHIBA 280, Japan 

 a Transfer of fertilized eggs by non-surgical techniques. Bos taurus (Artiodactyla) 

 SOMES, R. G.; Ph.D., Prof. ~ Nutr. Sci. Dept., Storrs Agric. Exper. Station, Univ. of Connecti- 

 cut, STORRS, CT 06268, USA 

 a Ear-tuft and associated ear abnormality in tufted Araucana. Gallus gallus (Aves) 

 b Uropygial gland diestcr and hormone production in a delayed feathering mutant. Same species as 



a 

 c Amino acid transport across erythrocyte membranes. Same species as a 

 SONOBE, H.; D.Sc. - Dept. of Biol., Konan Univ., Okamoto 8-9-1, Higashinaka-ku, KOBE, 658 



Japan 

 SORENSEN,R. A.;Ph.D. - Dept. of Biol., Gettysburg Coll., GETTYSBURG, PA 17325, USA 

 a Oocyte growth, differentiation, and maturation; in vitro preimplantation development. Mus 



musculus (Rodentia) 

 b Protein synthesis in early embryo. Oryzias latipes (Teleostei) 

 SOUPART, P.; M.D., Ph.D., Prof. - Dept. of Obstet. and Gynecol., Sch. of Med., Vanderbilt Univ., 



NASHVILLE, TN 37232, USA 

 a Cytogenetics of preimplantation stages obtained by culture methods. Homo sapiens (Primates) 

 b Irceze preservation of preimplantation stages. Homo sapiens and others (Mammalia) 

 c Cryobiology of semen. Same species as a 



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