a Effect of maternal hyperthermia on chromosome abnormalities; spindle fiber dysfunction 



(blastocyst to eighth day). Mouse 

 b Gonadotropin induced ovulation and chromosome abnormaUties and congenital defects in 



embryo, fetus, and neonate. Mouse 

 c Effect of hyperthermic stress on male meiosis. Mouse, Pig 

 CHRISPEELS, M. J.; Ph.D. Ctr. for Devi. Biol. C-016, Univ. of Calif., San Diego, LA JOLLA, 



CA 92093, USA 

 CHRISTIAN, Ms. M. S.; Ph.D. - Dept. of Anat., Jefferson Med. CoU., 1020 Locust 



St., PHILADELPHIA, PA 19107, USA 

 a Perinatal evaluation of in utero exposure to potential teratogens. Rat 

 CHUNG, K. W.; Ph.D. - Dept. of Anat. Sci., Univ. of Oklahoma Health Sci. Ctr., P.O. Box 26901, 



OKLAHOMA-CITY, OK 73190, USA 

 a Testicular feminisation (postnatal): 1. ultrastructural differentiation of the testis; 2. testosterone 



formation and secretion; 3. effects of gonadotropins and steroids of Leydig cell structure and 



function. Mouse 

 b Pre- and postnatal development of testes in the male pseudohermaphrodite: 1. developmental 



changes of cell organelles; 2. determination of plasma levels of luteinizing hormone (LH) and 



lactotrophic hormone (FSH), and of testosterone (radioimmunoassay) to define the role of 



tropic hormones in regulating structural and functional differentiation of the testis. Rat 

 CHURCH, R. B.; Ph.D., Prof. - Div. of Med. Biochem., Health Sci. Ctr., Univ. of Calgary, CALGARY, 



AltaT2N 1N4, Canada 

 a RNA transcriptional complexity during pre- and post-implantation development. (Mammalia) 

 b Analysis of RNA transcription by repetitive and non-repetitive DNA in developing neural 



tissue. Mus musculus (Rodentia), Oryctolagus cuniculus (Lagomorpha) 

 c Embryo transplantation and manipulation. (Mammaha) 

 d Development studies of genome expression. Muntiacus spec. (Artiodactyla) 

 CLAPPER, D. L.; Ph.D. - Dept. of Biol. Sci., Hopkins Mar. Stat., Stanford Univ., PACIFIC GROVE, 



CA 93950, USA 

 a Purification of a sperm motility initiating substance diffusing from the egg; role of this substance 



and of inorganic ions and cyclic nucleotides in motility initiation. Limulus polyphemus 



(Xiphosura) 

 b Role of ions in acrosome reaction initiation. Species as a 

 CLARK, R. L.; Ph.D. - Div. of Fetal Pharmacol., Children's Hosp. Res. Found., EUand & Bethesda 



Aves., CINCINNATI, OH 45229, USA 

 a Role of protein carboxymethylation and chemotaxis in the regulation of cell movement and 



shape changes during embryogenesis, part, in neural crest cells and their derivatives in the palate. 



Mouse 

 b Teratogenesis caused by effectors of protein carboxymethylation. Mouse 

 CLAXTON, J. H.; Ph.D. - Dept. of Microbiol, and Genet., Univ. of New England, ARMIDALE, 



N.S.W. 2351, Australia 

 CLAYCOMB, W. C; Ph.D. - Dept. of Cell Biophys., Baylor Coll. of Med., HOUSTON, TX 77030, 



USA 

 CLELAND, R. E.; Ph.D., Prof. - Dept. of Bot., Univ. of Washington, SEATTLE, 98195, USA 

 CLEMENT, A. C; Ph.D., Prof. (Emer.) - Dept. of Biol., Emory Univ., ATLANTA, GA 30322, USA 

 a Experiments on early embryonic determination. Ilyanassa obsoleta (Gastropoda) 

 CLERMONT, Y.; Ph.D., Prof. - Dept. of Anat., McGill Univ., Strathcona Anat. and Dent. Bldg., 



3640 University St., MONTREAL, Que. H3A 2B2, Canada 

 a Differentiation of gonocytes into reserve and renewing type A spermatogonia. Rat 

 CLINE, T. W.; Ph.D. - Dept. of Biol., Princeton Univ., PRINCETON, NJ 08544, USA 

 a Sex determination and X chromosome dosage compensation, including the role which the 



daughterless and Sex4ethal loci play in these processes (genetic and molecular approaches). 



Drosophila melanogaster (Diptera) 

 b Genetic analysis of bristle pattern. Species as a 



CLUTTER, Ms. M. E.; Ph.D. - Natl. Sci. Found., WASHINGTON, DC 20550, USA 

 a Experimental embryogenesis including fine structural changes of cell surfaces, structural and 



functional aspects of polytene chromosomes. Phaseolus coccineus (Papilionaceae) 

 COALSON, R. E.; Ph.D., Prof. - Dept. of Anat. Sci., Univ. of Oklahoma Health Sci. Ctr., P.O.Box 



26901, OKLAHOMA-City, OK 73190, USA 

 a Studies on insulin in the developing pancreas. Chicken, Columba livia (Aves), Rat, Cavia porcellus 



(Rodentia) 

 COHEN, M. J.: Ph.D. - Dept. of Biol., Yale Univ., P.O.Box 6666, NEW HAVEN, CT 06511, USA 

 a Ultrastructure and electrophysiology of individual giant reticulo-spinal neurons during growth 



and synapse formation following section of their axons in the spinal cord. Petromyzon marinus 



(Cyclostomata) 

 b Correlations between structural regeneration and changes in the electrical membrane properties 



of soma, dendrites and axon of giant interneurons in the CNS (intracellular electrical recording 



and dye injection). Achaeta domesticus (Blattodea) 

 COHEN, Ph. P.; Ph.D., M.D., Prof. - Dept. of Physiol. Chem., Univ. of Wisconsin, 1215 Linden Drive, 



MADISON, WI 53706, USA 

 COLE,M. B., Jr.; Ph.D. Dept. of Orthop. Surg., Stritch Sch. of Med., Loyola Univ., 2160 S. 1st Ave., 



MAYWOOD, IL 60153, USA 

 a Effects of electric current, magnetic fields, and denervation on regeneration and growth, 



especially of musculoskeletal system. Rat, Man 

 b LM and EM cytochemistry of developing tissues, especially bone. Rat, Man 



19 



