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

 and adhesion; fusion of plasma membranes; egg envelopes, lytic changes; 

 cortical changes. Living material and electron microscope studies. (En- 

 teropneusta, Echinodermata, Annelida, etc. ) (in collaboration with Mrs. 

 L. H. COLWIN) 



COLWIN, Mrs. L. HUNTER Ph.D., M.I.I.E.,Prof. — Dept. of Biol., Queens 

 Coll., FLUSHING 67. L.I., N.Y., U.S.A. 

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

 adhesion; fusion of plasma membranes; egg envelopes; lytic changes; cor- 

 tical changes. Living material and electron microscope studies. (Enterop- 

 neusta, Echinodermata, Annelida, etc J (in collaboration with A. L. COL- 

 WIN) 



CORLISS, C. E. BjS„ M.S., Ph.D. — Dept. of Anat, Med. Units, Fac of 

 Basic Med. Sci., Univ. of Tennessee, MEMPHIS 3, Tenn., U.S.A. 



a. Study of mitotic activity and its relation to morphogenesis in young em- 

 bryos. Mus norvegicus albinus (Rodentia) 



b. Colchicine toxicity to embryonic tissue. Mus norvegicus albinus (Ro- 

 dentia) 



c. Study of mitotic activity in the central nervous system and its relation to 

 morphogenesis and virus susceptibility. Gallus domesticus (Aves) 



CORNER, G. W. A.B., M.D., D.Sc, F.I.I.E., Prof. — Rockefeller Inst, for 

 Med. Research, 66th St. and York Ave.. NEW YORK 21, N.Y., U.S.A. 



CORNER, G. W., Jr. — Dept. of Embryol., Carnegie Inst, of Washington, 

 115 W. University Parkway, BALTIMORE 10, Md„ U.S.A. 



a. Anatomical and radiological studies of circulation in the maternal placenta. 

 Macaca mulatta. Homo sapiens (Primates) (in collaboration with Miss 

 E. M. RAMSEY and M. W. DONNER) 



b. Determinations of blood, amniotic and intervillous space pressures through- 

 out pregnancy. Macaca mulatta (Primates) (in collaboration with Miss 

 E. M. RAMSEY) 



CORNER, M. A. B.S., Ph.D. — Netherlands Central Inst, for Brain Re- 

 search, Mauritskade 59B, AMSTERDAM O., Netherlands 

 a. Development of central nervous system function (electrophysiological 

 and experimental embryological techniques). (Amphibia; 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 pat- 

 terns of movement. 



4. Development of susceptibility to "psychopharmacological" agents. 

 COSTELLO, D. P. Ph.D., F.I.I.E., Prof. — Dept. of Zool., Univ. of North 



Carolina, CHAPEL HILL, N.C., U.S.A. 



a. Studies in experimental cytology. Polychoerus spec. (Acoela, Turbella- 

 ria) , Chaetopterus pergamentaceus (Polychaeta) fin collaboration with 

 Miss C.HENLEY) 



b. Effects of antimitotic agents on eggs. Chaetopterus pergamentaceus fPo- 

 li/chaeta) (in collaboration with Miss C. HENLEY) 



c. Studies on the centriole. Polychoerus carmelensis (Acoela, Turbellaria) 

 COSTLOW, J. D., Jr. A.B., Ph.D. — Marine Lab., Duke Univ., BEAU- 

 FORT, N.C., U.S.A. 



a. Location, development and interaction of endocrine systems in larvae, with 



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