DECK J D ; Ph.D., Assoc. Prof. - Dept. ot Anat., Univ. of Virginia, Jordan Med. Bldg., 1300 Jeffer- 

 son Park Ave., CHARLOTTESVILLE, VA 22901 , USA 



a Cytological changes in muscle after injury. Diemictylus viridescens (Urodela) 



b Wound healing and scar formation in skin. Sus spec. (Artiodactyla), Homo sapiens (Primates) 



c The influence^of leg innervation on the appearance of continually -growing bony calluses follow- 

 ing amputation. Rattus spec. (Rodentia) 



DECKER, R. S.; Ph.D. - Dept. of Cell Biol., Health Sci. Ctr., Univ. of Texas, 5323 Harry Hines Blvd., 

 DALLAS, TX 75235, USA 



a Ultrastructure and electrophysiology of the assembly of cell junctions in vivo and in vitro. Rana 

 pipiens, R. catesbeiana (Anura), Mus musculus, Rattus spec. (Rodentia) 



b Lysosomal activation during organogenesis: biochemical and cytochemical changes in lysosomal 

 activity during cell differentiation and remodeling. Callus gallus (Aves), Rana pipiens, R. cates- 

 beiana (Anura), Mus musculus (Rodentia), Oryctolagus cuniculus (Lagomorpha) 



de FABRO, Ms. S. P.; Ph.D., Prof. - Inst, de Biol. Cel., Univ. Nac. de Cordoba, C.P. 362, CORDOBA, 

 Argentina 



DE GENNARO, L. D.; Ph.D., Prof. - Dept. of Biol., Le Moyne CoU., Le Moyne Heights, SYRACUSE, 

 NY 13214, USA ^ ^^^^^ ,^^^ 



DeHAAN, R. L.; Ph.D., Prof. - Dept. of Anat., Emory Univ., ATLANTA, GA 30322, USA 



a Pacemaker formation and the initiation of the heartbeat; developmental electrophysiology and 

 spontaneous activity of embryonic heart cells in tissue culture; rate regulation in the developing 

 heart. Gallus gallus (Aves) 



b Communication and electrical coupling among cells; differentiation of membrane function. Same 

 species as a 



c Cellular mechanisms underlying cardiac morphogenesis; regulation of cell adhesiveness, motility 

 and mitotic activity. Same species as a 



DE JAGER Ms. L.; M. Med. Sc. - Exp. Embryol. Res. Unit of the M.R.C., Dept. of Anat., Univ. of 

 the Orange Free State, P.O. Box 339, BLOEMFONTEIN 9300, S. Africa 



a Origin of the cartilaginous ear capsule. Gallus domesticus (Aves) 



De LAHUNTA, A.; D.V.M., Ph.D., Prof. - Dept. of Anat., N.Y. State Vet. Coll., Cornell Univ., 

 ITHACA, NY 14850, USA 



del PINO, E. J.; Biochem. - Inst, de Biol., Univ. Nac. de Tucuman, Qiacabuco 461, S.M. de TUCU- 

 mAN, Argentina 



a Chemical factors involved in fertilization: jelly coats and diffusible factors. Bufo arenarum 

 (Anura) 



b Vitelline envelope: 1. physicochemical properties; 2. lectin receptors involved in fertilization. 

 Same species as a 



del PINO, Ms. E. M.; Ph.D., Prof. - Inst, de Cienc, Pontificia Univ. Catol. del Ecuador, Apartado 

 2184, QUITO, Ecuador 



a Morphological and physiological maternal adaptations for embryonic incubation and character- 

 istics of embryonic development in the maternal pouch. Gastrotheca riobambae, Flectonotus 

 pygmaeus (Hylidae, Anura) 



b Comparative studies of oogenesis, pouch morphology and histology, and of embryonic devel- 

 opment. Amphignathodon spec, Cryptobatrachus spec, Flectonotus spec, Gastrotheca spec, 

 Hemiphractus spec, Stefania spec. (HyUdae, Anura) 



del Rfo, A. G. - Inst, de Biol., Univ. Nac. de Tucuman, Chacabuco 461, S. M. de TUCUMAN, Argen- 

 tina 



a Sperm maturation: epididymal activity. Cavia porcellus, Rattus norvegicus (Rodentia) 



b Thyroid gland and epididymal function. Rattus norvegicus (Rodentia) 



DeMAGGIO, A. E.; Ph.D., Prof. - Dept. of Biol. Sci., Dartmouth Coll., HANOVER, NH 03755, USA 



a Experimental developmental morphology. (Pteridophyta; Spermatophyta) 



b Biochemistry and uUrastructure of germinating spores. Dawsonia superba (Musci), Dryopteris 

 filix-mas, Onoclea sensibilis (Filices) 



DENT, J. N.; Ph.D., Prof. - Dept. of Biol., Univ. of Virginia, Gilmer HaU, CHARLOTTESVILLE, 

 VA 22901, USA 



a Metamorphic patterns. Various species (Amphibia) 



b Hormonal effects in integumentary structures. (Amphibia) 



DERBY, A. A.; Ph.D. - Biol. Dept., Univ. of Missouri-St. Louis, 8001 Natural Bridge Rd., ST. LOUIS, 

 MO 63121, USA 



a Effect of thyroxine and prolactin in tail resorption in vivo and in vitro. (Amphibia) 



b Epithelial wound healing of tailfin pieces in vitro. Rana pipiens (Anura) 



DESMOND, Ms. M. E.; Ph.D. - Dept. of Biol., Villanova Univ., VILLANOVA, PA 19085, USA 



a Mechanisms in fissure formation of the brain (stages 10-24). Gallus domesticus (Aves) 



b EstabUshment of blood vessel patterns in embryos, especially in the head region. Same species 

 as a 



DE SOUZA, Ms. M. L.; M.Sc - Dept. de Morfol. e FisioL, Fac. de Cienc Agrar. e Vet., Univ. Estadual 

 Paulista "Julio de Mesquita Filho", Rodovia Carlos Tonanni, Km 5 s/n", 14870 JABOTICABAL, 

 S.P., Brazil 



a Embryonic development. Cyprinus carpio (Teleostei) 



b Effects of methylmercury chloride on gestation. Rattus norvegicus (Rodentia) 



DE TERRA (WHITTAKER), Ms. N.; Ph.D. - Dept. of Anat., Hahnemann Med. Coll., PHILADEL- 

 PHIA, PA 19102, USA 



a Morphogenesis and nucleo-cytoplasmic interactions (microsurgery, autoradiography, electron 

 microscopy). Stentor coeruleus (Ciliata) 



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