2. Chemical energy production and utilization during critical periods of functional devel- 

 opment in the embryo. 



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

 (brain stimulation and lesion studies; electrical activity in explants). 



b Role of neural function in the embryonic development of the central nervous system 



(electrophysiology and neurohistology). Xenopus laevis (Amtra), Gallus domesticus (Aves) 



CORSIN, Miss J. Lic.es Sci. — Lab. d'Anat. Comp., Fac. des Sci., 7 Quai Saint-Bernard, 



75 PARIS 5e, France 

 a Experimental studies on bone development in the skull. Pleurodeles waltlii (Urodela) 

 COSTA, M. M.D. — Dept. of Anat., Univ. of Turin, Corso M. D'Azeglio 52, 10126 



TORINO, Italy 

 a Histochemical study of the development of Remak's nerve 

 COSTANZO, G. — 1st. Idrobiol. e Pescicoltura, Univ. di Messina, Via dei Verdi 75, 98100 



MESSINA, Italy 

 a Ciclo vitale. Lichomolgus spp. (Cyclopoida, Copepoda) 



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



HILL, N.C. 27514, 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. — Sect, on Exper. Embryol., Ophthalmol. Branch, Nat. Inst, 

 of Neurol. Dis. and Stroke, 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 Development of the ocular skeleton. Gallus domesticus (Aves) 



COULOMBRE (LACY), Mrs. J. L. B.S. — Sect, on Exper. Embryo!., Ophthalmol. Branch, 

 Natl. Inst, of Neurol. Dis. and Stroke, Natl. Inst, of Health, BETHESDA. Md. 20014, 

 U.S.A. 

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



A. J. COULOMBRE) 

 COULON (BUBLEX). Mrs. M. — Lab. de Biometrie, Sect, de Biol. Gener. et Appl., Fac. 



des Sci de Lyon. 43 Bd. du 11 Novembre 1918, 69 VILLEURBANNE, France 

 a Etude de la restauration apres irradiation X dans ses rapports avec le determinisme de 



la mue. Bombyx mori (Lepidoptera) 

 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) 

 b Genetics of egg structure (inheritance of egg pattern in different strains and species). 



Drosophila hydei and relatives. D. melanogastec (Diptera) 

 c Morphological and physiological effects of female-sterility genes. Drosophila hydei and 



relatives, D. melanogasfer (Diptera) 

 COUPfi, R. J. F. Lic.es Sci. — Lab. d'Anat. Comp., Fac. des Sci., 7 Quai Saint-Bernard. 



PARIS 5e, France 

 a Comportement et devenir — en culture in vitro — de cellules embryonnaires isolees. 



Discoglossus pictus. Pleurodeles waltlii (Amphibia), Esox lucius (Teleostei) 

 COUSINEAU, G. H. Ph.D. — Lab. de Biol. Molec, Dept. de Biol., Univ. de Montreal, 



C.P. 6128, MONTREAL 3, Que., Canada 

 a Study of the uptake and incorporation of labelled amino acids and pyrimidines into 

 macromolecules of developing eggs, and the effect of actinomycin D. D2O and hexa- 

 homoserine (with emphasis on "incorporation correction", i.e. the percent ratio of in- 

 corporation over uptake). Arbacia punctulata. Strong ylocentrotus purpuratus, Lytechinus 

 pictus (Echinoidea) 

 b Studies on bentonite as inhibitor of egg ribonuclease activity. Arbacia punctulata. 



Strongylocentrotus purpuratus, Lytechinus pictus (Echinoidea) 

 c Measurement of the amount of translatable RNA in the presence of bentonite. and char- 

 acterization of the proteins produced in vitro. Arbacia punctulata, Strongylocentrotus 

 purpuratus, Lytechinus pictus (Echinoidea) 

 COWAN. W. M. Ph.D.. Prof. — Dept. of Anat.. School of Med., Washington Univ., 



ST. LOUIS. Mo. 63110. U.S.A. 

 a Experimental studies of the development of the visual system. Gallus domesticus (Aves), 



Rattus novvegicus (Rodentia) 

 b The factors involved in the formation and maintenance of synaptic connections in the 



central nervous system. Gallus domesticus (Aves), Rattus norvegicus (Rodentia) 

 COWARD. S. J. Ph.D.. Prof. — Dept. of Zool.. Univ. of Georgia, ATHENS. Ga. 30601, 



U.S.A. 

 a Dissociation and reaggregation of cells in culture. Dugesia dorotocephala, Bdelloura Candida 

 (Turbellacia) 



39 



