a Fertilization: sperm-egg association and zygote formation; cell contact and adhesion; 



fusion of plasma membranes; egg envelopes; lytic changes; cortical changes; sperm- 



blastomere assication (living material and electron microscope studies). (Enteropneusta, 



Echinodecmata; Annelida, etc.) (in collaboration with A. L. COLWIN) 

 CONKLIN, J. L. Ph.D., Prof. — Dept. of Anat., Med. School, Univ. of Michigan, East Med. 



Bldg., ANN ARBOR. Mich. 48104, U.S.A. 

 a Studies of protein development, notably dehydrogenase isozymes, by electrophoretic and 



cytochemical procedures. 

 CONRAD, G. W. M.S. — Dept. of Biol., Yale Univ., NEW HAVEN. Conn. 06520, U.S.A. 

 CONTI, G. M.D., Prof. — Inst, of Histol. and Gener. Embryol., Univ.-Perolles, 1700 FRI- 



BOURG, Suisse 

 a Teratogenetic action of 5-fluorouracil and ubiquinone in o v o and in vitro. 



Gallus domesticus (Aves) 

 CONTOLI. L. Dr.Biol.Sci. — 1st. di Zool. dell'Univ., Viale Regina Elena 324, (al Policli- 



nico), ROMA, Italia 

 a Fertilization and embryonic development. Paracentrotus lividus (Echinoidea) 

 COON, H. G. Ph.D. — Dept. of Embryol., Carnegie Inst, of Washington, 115 W. University 



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

 a Cloning of early and differentiated cells; studies on the stability of characteristics of 



populations derived from single embryonic cells. Gallus domesticus (Aves) 

 CORLISS, C. E. Ph.D., Prof. — Dept. of Anat., School of Basic Med. Sci., Med. Units, 



Univ. of Tennessee, 62 S. Dunlap St., MEMPHIS, Tenn. 38103, U.S.A. 

 a Radioautographic studies of nuclear migration in neural epithelium of normal and teratogen- 



treated embryos. Gallus domesticus (Aves) 

 CORNEC, J. P. — Lab. de Biol. Anim. C.P.E.M., Fac. des Sci., 1 Place Victor-Hugo. MAR- 

 SEILLE 3e, France 

 a Analyse des facteurs qui determinent I'absence de regeneration. (Hirudinea. Annelida) 



• CORNER, G. W. M.D., D.Sc, Prof . — American Philosophical Soc, 104 South 5th St., 



PHILADELPHIA, Pa. 19106. U.S.A. 

 CORNER, M. A. Ph.D. — Netherlands Central Inst, for Brain Research. Ydijk 28. AM- 



STERDAM-O., Netherlands 

 a Development of central nervous system function (electrophysiological techniques). (Aves) 



1. Electroencephalogram and its relation to embryonic behavior. 



2. Effect on brain development of metabolic inhibitors. 



3. Neurological bases for the maturation of spontaneous and reflex patterns of movement. 



4. Development of susceptibility to "psychopharmacological" agents. 



CORSIN. Miss J. Lic.es Sci. — Lab. d'Anat. comp., Fac. des Sci.. 7 Quai St. Bernard. 75- 

 PARIS Ve, France 



a Developpement du crane osseux (teratogenese et culture in vitro). Pleurodeles waltlii 

 (Urodela) 



COSTANZO. G. — 1st. Idrobiol. e Pescicoltura, Univ. di Messina, Via dei Verdi 75, MESSI- 

 NA. Italia 



a Ovogenesi. (Arthropoda; MoUusca; Echinodermafa) 



b Ultrastruttura dell'apparato nucleolare degli ovociti. Patella coerulea (Prosobranchia. 

 Gastropoda) 



c Sviluppo morfologico (stadi adulti e alcuni stadi copepodiformi). Lichomolgus canui 

 (Copepoda, Crustacea) 



d Allevamento in acquario dall'uovo embrionato alia stadio adulto. Lichomolgus canui 

 (Copepoda, Crustacea) 



• COSTELLO. D. P. Ph.D.. Prof. — Dept. of Zool., Univ. of North Carolina, CHAPEL 



HILL, N.C. 27515, U.S.A. 



COSTLOW. J. D., Jr. Ph.D. — Marine Lab., Duke Univ.. BEAUFORT. N.C. 28516. and 

 Dept. of Zool.. Duke Univ.. DURHAM, N.C. 27706, U.S.A. 



COULOMBRE, A. J. Ph.D. — Lab. of Developm. Biol., Sect, on Exper. Embryol., Natl. 

 Inst, of Child Health and Human Developm.. Natl. Inst, of Health, BETHESDA, Md. 

 20014, U.S.A. 



a Growth and morphogenesis of the eye. Gallus domesticus (Aves) (in collaboration with 

 Mrs. J. L. COULOMBRE) 



b Pharmacology of the embryo. Gallus domesticus (Aves) 



COULOMBRE (LACY), Mrs. J. L. B.S. — Lab. of Developm. Biol., Sect, on Exper. Em- 

 bryol.. Natl. Inst, of Child Health and Human Developm.. Natl. Inst, of Health. BETHES- 

 DA, Md. 20014. U.S.A. 



a Growth and morphogenesis of the eye. Gallus domesticus (Aves) (in collaboration with 

 A. J. COULOMBRE) 



COUNCE (NICKLAS), Mrs. S. J. Ph.D. — Dept. of Zool., Duke Univ., DURHAM. N.C. 

 27706. U.S.A. 



a Embryo culture in vitro; experimental analysis of embryogenesis; developmental 

 genetics and physiology; cytogenetics, including puffing patterns at various developmental 

 stages in different tissues. Miastor spec. (Cecidomyidae, Diptera) 



34 



