by density gradient centrifugation; 2. cell electrophoresis; 3. isolation of cell membrane; 4. cell 



affinities. Xenopus laevis (Anura), Gallus domesticus (Aves) 

 b Lens regeneration: 1. clonal cell culture; 2. transplantation of individual cells; 3. morphogenetic 



potentials of the cell population in the dorsal iris; 4. cell surface changes during metaplasia. 



Triturus viridescens, Taricha granulosa (Urodela), Xenopus laevis (Anura) 

 ELLGAARD, E. G.; Ph.D. - Dept. of Biol., Tulane Univ., NEW ORLEANS, La. 701 18, U.S.A. 

 a RNA and protein metabolism in salivary glands during development. Drosophila melanogaster 



(Diptera) 

 ELLIOTT, D. S.; Ph.D. - Scientific Transplants, Inc., Route 2, Box 195E, LAS ANIMAS Colo 



81054, U.S.A. 

 a Methods of culture and storage of embryos (freezing). Bos taurus (Artiodactyla) 

 EL MEKKAWY, D. A.; M.Sc. - Dept. of Zool., Fac. of Sci., Alexandria Univ., Moharram Bey, 



ALEXANDRIA, Egypt 

 a Hind limb regeneration after transection at various proximo-distal levels. Bufo regularis (Anura) 



(with M. I. MICHAEL) 

 ELMER, W. A. ; Ph.D. - Dept. of Biol., Emory Univ., ATLANTA, GA 30322, U.S.A. 

 a Cell interactions during early limb morphogenesis in the mutant Brachypodism: 1. regulatory 



mechanisms related to stability of the chondrogenic phenotype; 2. synthesis and turnover of 



membrane components. Mus musculus (Rodentia) 

 b Isolation and characterization of a growth regulator in chondrodystrophic animals. Same species 



as a 

 EMERSON, C. P., Jr.; Ph.D. - Dept. of Biol., Univ. of Virginia, CHARLOTTESVILLE, Va. 22903, 



U.S.A. 

 a Regulation of contractile protein synthesis during differentiation of skeletal muscle in cell 



culture: control of transcription and translation of myosin mRNA. Coturnix c. japonica (Aves), 



Rattus rattus (Rodentia) 

 b The control of growth and cell division: relationship between ribosome synthesis, protein 



synthesis, and DNA synthesis. Coturnix c. japonica (Aves) 

 ENDO, A.; M.D. - Dept. of Hyg. and Prev. Med., Sch. of Med., Niigata Univ., Asahimachi, NIIGATA, 



951 Japan 

 ENDO, Y.; D.Sc, Prof. - Dept. of Biol., Keio Univ., YOKOHAMA-Hiyoshi, Japan 

 ENLOW, D. H.; Ph.D., Prof. - Dept. of Anat., Med. Ctr., West Virginia Univ., MORGANTOWN, W.Va. 



26506, U.S.A. 

 a Normal and abnormal development of the face and cranium. Homo sapiens (Primates) 

 EPEL, D.; Ph.D., Prof. - Marine Biol. Res. Div., Scripps Inst, of Oceanography, Univ. of Calif., San 



Diego, P.O. Box 1529, LA JOLLA, Calif. 92037, U.S.A. 

 a Biochemistry and physiology of fertilization, especially chemistry of cortical granules and 



cortical reactions, block to polyspermy, and activation. Strongylocentrotus purpuratus and other 



marine spp. (Invertebrata) 

 b Role of cations, especially Ca, in activating development. Same species as a 

 ERHART, E. A.; M.D., Ph.D., Prof. - Sect, of Neuroanat., Dept. of Anat., Univ. de Sao Paulo, Caixa 



Postal 2921, SAO PAULO, Brazil 

 a Degeneration and regeneration of peripheral nerve fibres. Gallus domesticus (Aves), Canis 



familiaris (Carnivora) 

 ESCHENBERG, Miss K. M.; Ph.D., Prof. - Dept. of Biol. Sci., Clapp Lab., Mount Holvoke Coll 



SOUTH HADLEY, Mass. 01075, U.S.A. 

 a Cytology and developmental physiology of the ovary (histochemistry, autoradiography). Gerris 



remigis, Belostoma flumineum, Ranatra fusca, Oncopeltus fasciatus (Hemiptera) 

 ETHERIDGE, A. L.; Ph.D., Assoc. Prof. - Dept. of Biol., Univ. of Arkansas, Monticello, COLLEGE 



HEIGHTS, AR 71655, U.S.A. 

 ETKIN, W.; Ph.D., Prof. - Dept. of Anat., Albert Einstein Coll. of Med., Yeshiva Univ., 1300 



Eastchester Rd. and Morris Park Ave., NEW YORK, Bronx, NY 10461, U.S.A. ISDB 



ETOH, H.; Ph.D. - Div. of Biol., Natl. Inst, of Radiol. Sci., 9-1, 4-chome, Anagawa, CHIBA, 280 



Japan 

 a Effect of ionizing radiation on various embryonic stages (particularly long-term effects of low 



doses). Oryzias latipes (Teleostei) 

 EVANS, H. E.; Ph.D., Prof. - Dept. of Anat., N.Y. State Vet. Coll., Cornell Univ., ITHACA, N.Y. 



14850, U.S.A. ISDB 



a Study of skeletal development in regard to inter-litter variation and position in the uterus, 



utilizing cesarian removals. Canis familiaris (Carnivora) 

 b Veratrum induced cyclopia. Ovis aries (Artiodactyla) 

 c Serial sections of embryos at spaced ages, available for inspection. Canis familiaris, Felis catus 



(Carnivora), Bos taurus, Ovis aries (Artiodactyla), and other Mammalia (with W. O. SACK and 



R. C. WILLIAMS, Tuskegee, Ala.) 

 d Situs inversus accompanied by cyclopia. Sus scrofa (Artiodactyla) 

 e Cyclopia. Canis familiaris (Carnivora) 

 EWEN, AL. B.; Ph.D. - Res. Stat., Agric. Canada, Univ. Campus, SASKATOON, Sask. S7N 0X2, 



Canada 

 a Physiology and functional morphology of reproduction with special emphasis on the endocri- 

 nology of reproduction in males. Melanoplus sanguinipes (Orthoptera) 

 b Histology and histochemistry of neurosecretory cells and their cycles of activity. Same species as 



a 

 c Insect hormones and analogues: effects on embryogenesis; possible uses as insecticides. Same 



species as a 



27 



