COHEN, S. Ph.D., Prof. — Dept. of Biochem., Sch. of Med., Vanderbilt Univ., NASH- 

 VILLE, Tenn. 37203, U.S.A. • 

 COHN, S. A. Ph.D., Prof. — Dept. of Anat, Med. Units, Univ. of Tennessee, 800 Madison 



Ave., MEMPHIS, Tenn. 38103, U.S.A. 

 a Histology of the developing periodontium. (Primates) 

 COLE, M. B., Jr. Ph.D. — Dept. of Biol. Sci., Oakland Univ., ROCHESTER, Mich. 48063, 



U.S.A. 

 a Oogenesis, especially nucleocytoplasmic interactions in primary oocytes (cytochemistry, 



electron microscopy, autoradiography) . Rana pipiens (Anura) 

 b The effects of electromagnetic radiation on mitosis of neuroblasts, (organ culture, auto- 

 radiography, metabolic inhibitors). Chortophaga viridifasciata (Orthoptera) 

 COLE, R. J. Ph.D. — Sch. of Biol. Sci., Univ. of Sussex, Falmer, BRIGHTON BN1 9QG, 



England 

 a Physiology, biochemistry, and cell kinetics of the development of erythropoietic systems, 



both normal and mutant. Mus musculus (Rodentia) 

 b Regulation of cytodif ferentiation during in vitro myogenesis 

 COLEMAN. J. R. Ph.D., Prof. — Div. of Biol, and Med. Sci., Brown Univ., PROVIDENCE, 



R.I. 02912, U.S.A. • 



a Differentiation of embryo cells in culture, particularly skeletal muscle, cartilage and retinal 



pigment cells: synthesis of specific proteins (myosin, collagen), glycosaminoglycans 



(chondroitin sulfate), synthesis and processing of RNA, and the effects of nucleoside 



analogs on cellular differentiation. Gallus domesticus (Aves) 

 COLEMAN, R. D. D.D.S., Prof. — Dept. of Dental Anat., School of Dent., Univ. of 



California Med. Center, 3rd & Parnassus Aves., SAN FRANCISCO, Calif. 94122, U.S.A. 

 a The possible role of sulfated mucopolysaccharides in normal and cleft palate development 



by employing radioactive sulfur (palatal defects induced by a transitory maternal 



deficiency of folic acid) . Rattus norvegicus (Rodentia) 

 b Uptake of tritiated thymidine in normal and cleft palate development (palatal defects 



induced by a transitory maternal deficiency of folic acid). Same species as a 

 c Oro-facial abnormalities induced by the folinic acid antagonist pyrimethamine. Mammalia) 

 COLLENOT, A. Dr.es Sci., Prof. — Lab. d'Embryol., Univ. de Paris VI, 9 quai St.Bernard, 



75 PARIS Ve, France • 



COLLIER, J. R. Ph.D., Prof. — Dept. of Biol., Brooklyn Coll., Bedford Ave. & Ave. H, 



NEW YORK, Brooklyn, N.Y. 11210, U.S.A. • 



a Nucleic acid and protein synthesis especially transcription and regulation of the genome 



during embryogenesis: 1. RNA and protein synthesis during early development; 2. the role 



of DNA-dependent RNA synthesis in embryogenesis. Ilyanassa obsoleta (Gastropoda) 

 COLLIN, J. -P. Dr.es Sci. — Lab. de Biol. Anim., Univ. Clermont-Ferrand, Complexe Sci. 



Cezeaux, 24 Av. des Landais, 63 AUBIfiRE, France 

 a Development of the pineal gland (electron microscopy). (Cyclostomata; Reptilia; Aves; 



Mammalia) 

 b Embryogenesis and phylogenesis of the pineal gland. (Vevtebrata) 

 c Proteins in the embryonic pineal gland (autoradiography and electron microscopy). 



(Vevtebrata) 

 d Indolamines and catecholamines in the embryonic pineal gland. (Vertebrata) 

 COLLIN. W. K. Ph.D. — Dept. of Med. Microbiol, and Immunol., School of Med., Univ. of 



California, LOS ANGELES, Calif. 90024, U.S.A. 

 a Electron microscopy of developmental stages. Hymenolepis citelli (Cestoda), Brugia 



pahangi (Nematoda) 

 b Morphology of third larval stage. Brugia pahangi (Nematoda) 



COLLINS, M. F. Ph.D. — Dept. of Anat., Health Center, The Univ. of Connecticut, HART- 

 FORD, Conn. 06105, U.S.A. 

 a Cellular surface properties and morphogenetic movements. Gallus domesticus (Aves), Mus 



musculus (Rodentia) 

 COLLN, Kl. Dr.rer.nat. — Zool. Inst, der Univ., Weyertal 119, 5 KOLN 41, W.Germany 

 a Hormonale Steuerung des Proteinstoffwechsels in der Metamorphose. Ephestia kuhniella 



(Lepidoptera) 

 COLOMBERA, — 1st. di Biol. Anim., Univ. di Padova, Via Loredan 10, 35100 PADOVA, 



Italy 

 a Comparative spermatogenesis. (Enterogona, Ascidiacea) (with M. SALA) 

 COLOMBO, G. Dr.biol., Prof. — 1st. di Zool., Univ. di Ferrara, Via Previati 24, 44100 



FERRARA, Italy • 



COLOMBO, L. Dr.biol.sci. — 1st. di Biol. Anim., Univ. di Padova, Via Loredan 10, 35100 



PADOVA, Italy 



(no embryological work in progress) 

 COLWIN, A. L. Ph.D., Prof. — Dept. of Biol., Queens Coll. of the City Univ. of New York, 



NEW YORK, Flushing, N.Y. 11367, U.S.A. • 



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



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



37 



