CEBRA, J. J.; Ph.D., Prof. - Dept. of Biol., Johns Hopkins Univ., Charles and 34th Sts., BALTI- 

 MORE, MD 21218, U.S.A. 

 CERON, G.; Ph.D. - Dept. of Anat., Jefferson Med. Coll., 1020 Locust St., PHILADELPHIA, Pa. 



19107, U.S.A. 

 a Control of cell interactions during morphogenesis. Hydra littoralis (Hydrozoa) 

 b Cell reaggregation as a model system for studying teratogenic action of drugs. Same species as a 

 CHALLICE, C. E.; Ph.D., Prof. - Dept. of Physics, Fac. of Arts & Sci., Univ. of Calgary, CALGARY 



T2N 1N4 Alia,, Canada 

 a Electron microscopy of the heart in development. Mus musculus (Rodentia), Oryctolagus 



cuniculus (Lagomorpha) 

 CHAMBERLAIN, J. G.; Ph.D. - Dept. of Anat., Sch. of Dent., Univ. of the Pacific, SAN FRAN- 

 CISCO, Calif. 94115, U.S.A. 

 a Pathogenesis of experimentally induced congenital hydrocephalus: 6-aminonicotinamide injected 



during pregnancy. Rattus rattus (Rodentia) 

 b Intra-amniotic injections of metabolites and antimetabolites as replacement therapy during 



teratogenesis. Same species as a 

 c Scanning electron microscopy of developing brain (including macrophages). Same species as a 

 CHAMBERLAIN, J. P.; Ph.D., Prof. - Dept. of Zool., Univ. of Michigan, ANN ARBOR, Mich 48104 



U.S.A. 

 a The regulation of gene transcription in embryos. Lytechinus variegatus (Echinoidea) 

 CHANG, C. Y.; Ph.D. - Inst, of Zool., Acad. Sinica, Haitien, PEKING (53), People's Rep. of China 



ISDB 

 CHASE, H. B.; Ph.D., Prof. - Div. of Biol, and Med. Sci., Brown Univ., PROVIDENCE, R. I. 02912, 



U.S.A. ISDB 



a Developmental genetics of hair growth phases, using mutants hairless (hr), Rex (Re), and satin 



(sa). Mus musculus (Rodentia) 

 b Hereditary anophthalmia as influenced by teratogens. Same species as a 

 c Regeneration in vibrissal foolicles. Perameles nasuta, Trichosurus vulpecula (Marsupialia) 

 CHAUDHRY, H. S.; D.Phil., Prof. - Dept. of Zool., Fac. of Sci., Univ. of Gorakhpur, GORAKHPUR 



273001, India 

 a The neurosecretory system of developmental stages. (Insecta) 

 b Embryonic development. Sarcophaga ruficornis (Diptera) 

 c The effects of chemosterilants on developmental stages. Same species as b 



CHEN, D. - Dept. of Biophys., Weizmann Inst, of Sci., REHOVOT, Israel ISDB 



CHENEY, R. H.; Sc.D., Prof. (Emer.) - 11 Park St., WOODS HOLE, Mass. 02543, U.S.A. 

 a Retardation effect of dimethylated xanthines on development. Arbacia punctulata (Echinoidea) 

 b Theophylline, theobromine, and caffeine effects on fecundity and development. Rattus norvegi- 



cus (Rodentia) 

 c Effect of di- and trimethylated xanthines on root tip growth. Allium spec. (Liliaceae) 

 d Effect of methylated xanthines on the oxygen consumption of the fertilized egg and early 



embryology. Same species as a 

 e Effect of X-ray and ultra-violet irradiation on development of methylated xanthine-treated eggs. 



Same species as a 

 f Effect of caffeine on development. Rana pipiens (Anura) 



g Developmental effects of chemical inhibitors of protein synthesis. Same species as a 

 CHENG, Th. C; Ph.D., Prof. - Dept. of Biol., Lehigh Univ., BETHLEHEM, Pa. 18015, U.S.A. 

 a Embryology and differentiation. Fasciola hepatica, Schistosoma mansoni, S. haematobium 



(Trematoda), Hymenolepis diminuta, H. nana (Cestoda) 

 b Developmental pathology: genetic basis of abnormal growth, cellular differentiation and reaction 



to foreign bodies. Crassostrea virginica (Lamellibranchia), Helisoma trivolvis, H. duryi normale, 



Biomphalariaglabrata, Bulinus spp. (Gastropoda) 

 c Transplantation biology. Same species as b. 

 CHEPENIK, K. P.; Ph.D., Assoc. Prof. - Dept. of Anat., Jefferson Med. Coll., 1020 Locust St., 



PHILADELPHIA, Pa. 19107, U.S.A. 

 a Phospholipid metabolism and composition (and protein composition) associated with membrane 



biogenesis during normal and abnormal differentiation. Rattus norvegicus (Rodentia) 

 b Placental phospholipid metabolism and transport during normal and abnormal differentiation. 



Same species as a 

 CHIPLONKAR, J. M; M.Sc. - Dept. of Zool., Univ. of Poona, Ganeshkind, POONA 411007, India 

 a Histological, cytochemical, teratogenic and in vitro studies on sexual glands. Calotes versicolor 



(Lacertilia) 

 CHRISPEELS, M. J.; Ph.D. - Dept. of Biol., Univ. of California, San Diego, P. O. Box 109, LA 



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

 a Biochemical processes in development: mechanism of protein secretion and cell wall formation in 



phloem explants and cell culture. Nicotiana tabacum (Solanaceae), Daucus carota (Umbelliferae) 

 CHUANG HSIAT) HUI; Dr. rer. nat. habil. - Lab. of Developm. Physiol., Inst, for Exp. Biol., Acad. 



Sinica, 320 Yo Yang Rd., SHANGHAI, People's Rep. of China ISDB 



CHURCH, N. S.; Ph.D. - Res. Stat., Agric. Canada, Univ. Campus, SASKATOON, Sask. S7N 0X2 



Canada 

 a Physiological and environmental regulation of development. Ctenicera destructor (Coleoptera) 

 b Embryology. Lytta viridana (Coleoptera) 

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



CALGARY, Alta. T2N 1N4, Canada 

 a Study of messenger RNA synthesis by RNA/DNA molecular hybridization in the embryo. Mus 



musculus (Rodentia) 



19 



