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



ducyi normale, Biomphalaria glabrata, Bulinus spp. (Gastropoda) 

 c Transplantation biology. Same species as b 

 CHEVALLIER, A. D. Dr.Spec. — Lab. de Zool., Inst, de Rech. Biol., Univ. Scient. et Med. 



de Grenoble, Cedex 53, 38 GRENOBLE, France 

 a Radioautography of differentiation, localization, and migration of neural crest cells. Gallus 



domesticus (Aves) 

 b The early differentiation of the suprarenal gland in chorioallantoic grafts. Same species 



as a 

 CHEVREAU, J. P. Dr.en Med., Prof. — Dept. d'Histol.-Embryol., Fac. de Med., 6 rue du 



General Sarrail, 94 CRETEIL, France 

 a Myelinization of brain. Oryctolagus cuniculus (Lagomorpha) 



b Histogenesis and differentiation of the central nervous system. Rattus spec. (Rodentia) 

 CHIARODO, A. J. Ph.D., Prof. — Dept. of Biol., Georgetown Univ., 37th & O. St. N.W., 



WASHINGTON, D.C. 20007, U.S.A. 

 a Neuroembryology (experimental morphology). Sarcophaga bullata (Diptera) 

 CHIBON, P. Dr.es Sci. — Lab. de Zool., Inst, de Rech. Biol., Univ. Scient. et Med. de 



Grenoble, Cedex 53, 38 GRENOBLE, France 

 a Nuclear labelling of embryonic cells (autoradiography). Pleurodeles waltlii, Trituvus 



alpestris (Ucodela) 

 b Morphogenetic abilities and differentiation of neural crest cells. Same species as a 

 c Origin and differentiation of teeth. (Amphibia) 



d Genetic and embryonic effects of high nuclear labelling. (Amphibia) 

 e Cellular proliferation in the embryo: kinetics and differentiation. (Amphibia) 

 CHIEFFI, G. M.D., Prof. — Lab. di Anat. Comp., 1st. di Istol. ed Embriol., Univ. di Napoli, 



Via Mezzocannone 8, 80134 NAPOLI, Italy • 



CHITNIS, P. S. Ph.D. — Cell Research Lab., Dept. of Zool., Nowrosjee Wadia Coll., 



POONA-1, India 

 CHOROSZEWSKA-LELICIfiSKA, Mrs. A. Dr.biol. — , Lab. of Embryol., Dept. of Obstet. 



and Gynecol. II, Med. School, ul.Karowa 2, WARSZAWA 40, Poland 

 a Nutrition mechanisms of preimplantation stages; the concentration of free amino acids in 



uterine secretion, blastocyst fluid, and blood serum; effect of steroid hormones on 



biochemical composition of uterine secretion. Rattus spec. (Rodentia), Oryctolagus 



cuniculus (Lagomorpha) 

 CHOUARD, C. H. — Lab. d'Anat., Univ. Paris V - Rene Descartes, 45 rue des Saints 



Peres, 75 PARIS Vie, France 

 a Brain stem and acoustic tracts 

 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) 

 CHRIST, B. Dr.med. — Inst, fur Anat. der Ruhr-Univ. Bochum, Postfach 2148, 463 



BOCHUM, W.Germany 

 a Development of vertebral column. Gallus domesticus (Aves) 

 b Differentiation of somites. Gallus domesticus (Aves) 

 CHUANG HSIAO HUI Dr.rer.nat.habil. — Lab. of Developm. Physiol., Inst, for Exper. 



Biol., Acad. Sinica, 320 Yo Yang Rd., SHANGHAI, People's Republ. of China • 



CHURCH, N. S. Ph.D. — Research Station, Res. Branch, Canada Agric. Univ. Campus, 



SASKATOON, Sask., Canada 

 CHURCH, R. B. Ph.D.,' Prof. — Div. of Med. Biochem., Fac. of Med., Univ. of Calgary, 



CALGARY 44, Alta., Canada 

 a Study of messenger RNA synthesis by RNA/DNA molecular hybridization in developing 



mouse embryo. Mus musculus (Rodentia) 

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



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

 CIHAK, R. MUDr. — Dept. of Anat., Charles Univ., U nemocnice 3, PRAHA 2, Czechoslo- 

 vakia 

 a Prenatal development of muscles. Homo sapiens (Primates) 

 CLAIRAMBAULT, P. Dr.es Sci. — Lab. d'Anat. Comp., Univ. Paris VII, 2 Place Jussieu, 



75 PARIS Ve, France 

 a Morphological and experimental studies of brain development. Discoglossus pictus, Rana 



pipiens, Bufo regularis, Rhacophorus spec, Nectophrynoides occidentalis (Anura), 



Pleurodeles waltlii (Urodela) 

 b Teratogenesis in the prosencephalon after treatment of the blastula with 2,4-dinitrophenol. 



Salmo irideus (Teleostei) (with M. CHANCONIE) 

 CLARK (LATTO), Mrs. J. C. B.Sc. — Dept. of Zool., The Univ., GLASGOW W.2, 



Scotland, U.K. 

 CLASON, A. E. — Dept. of Embryol., Carnegie Inst, of Washington, 115 W.University 

 Parkway, BALTIMORE, Md. 21210, U.S.A. 



35 



