b Biosyntliesis and secretion of bone and dentin procollagen (subcellular fractionation and radio- 

 autography). Gallus gallus (Aves), Rattus rattus (Rodentia) 

 WEIRICH, G.; Dr.rer.nat. - Insect Physiol. Lab., U.S. Dept. of Agric. SEA FR BARC-East Bldg. 467, 



BELTSVILLE, MD 20705, USA 

 a Enzymes involved in the metabolism of juvenile hormone, especially their regulation and 



specificity. Manduca sexta, Hyalophora cecropia (Lepidoptera) 

 b Proteins involved in transport and cellular action of juvenile hormone. Same species as a 

 c Enzymes of ecdysone biosynthesis and degradation; their relation to embryonic and post- 

 embryonic development; tissue- and subcellular localization; control mechanisms and inhibitors. 



Manduca sexta (Lepidoptera) 

 WEIS (SHULMAN), Ms. J. S.; Ph.D., Prof. - Dept. of Zool., Rutgers Univ., 195 University Ave., 



NEWARK, NJ 07102, USA 

 a Effects of environmental pollutants on development. Fundulus heteroclitus, Cyprinodon 



variegatus (Teleostei) 

 b Experimental modification of regenerative response in limbs and fins. Same species as a, and 



Rana spec. (Anura) 

 c Regeneration of limbs: modification by environmental conditions. Uca spec. (Decapoda, Crustacea) 

 WEISS, L.; Sc.D., M.D., Ph.D., Prof. - Dept. of Exper. Pathol., Roswell Park Mem. Inst., 666 Elm 



St., BUFFALO, NY 14263, USA 

 a Biophysics of cell interactions 

 WEISS, P. A.; Ph.D., Sc.D., Prof. (Emer.) - Dept. of Developm. & Neural Biol., Rockefeller Univ., 66th 



St. and York Ave., NEW YORK, NY 10021, USA 

 WENGER, B. S.; Ph.D., Prof. - Dept. of Anat., Univ. of Saskatchewan, SASKATOON, Sask. S7N 



OWO, Canada 

 WERNER, Y. L.; Ph.D. - Dept. of Zool., Hebrew Univ., JERUSALEM, Israel 

 a Temperature effects during embryogenesis on the number of vertebrae. Hemidactylus turciois, 



Stenodactylus stenodactylus (Gekiconoidea, Lacertilia) 

 b Temperature dependence of the duration of embryonic development. (Gekkonoidea, Lacertilia) 

 c Changes in egg shell structure during incubation. Same species as b 

 d Inter-dependence of parent size, egg size, and neonatal size. Same species as b 

 e Ontogeny and function of the middle ear. (Lacertilia; Anura) 



WESSELLS, N. K.; Dr. - Dept. of Biol. Sci., Stanford Univ., STANFORD, CA 94305, USA 

 WEST, J.D.; Ph.D. - Dept. of Molec. Biol., Roswell Park Mem. Inst., 666 Elm St., BUFFALO, NY 



14263, USA 

 a X-chromosome expression during development using X-linked biochemical markers. Mus mus- 



culus (Rodentia) 

 WEST, N. R.; Ph.D. - Dept. of Anat., Upstate Med. Ctr., State Univ. of New York, 766 Irving Ave., 



SYRACUSE, NY 13210, USA 

 a Differentiation sequence of proteins in neural crest cells. Gallus domesticus (Aves) 

 WESTERMAN, R. A.; Ph.D. - Dept. of PhysioL, Monash Univ., WelUngton Rd., CLAYTON, Vict. 



3168, Australia 

 a Electrophysiology, histology, and ultrastructure of functional neuromuscular connections 



during normal neonatal development and after various experimental reinnervations. Felis 



domestica (Carnivora) 

 b Evolution of locomotor skills in neonates. Some species as a 



WESTON, J. A.; Ph.D., Prof. - Dept. of Biol., Univ. of Oregon, EUGENE, OR 97403, USA 

 a Migration and differentiation of neural crest cells. Gallus domesticus (Aves), Mus musculus 



(Rodentia) 

 b Cell surface as an effector of cell specificity. Same species as a 

 c Action of morphogenetic agents on embryonic cell behavior in vivo and in vitro. Gallus domesticus 



(Aves) 

 WHITELAW, S. - Dept. of Zool., Univ. of New England, ARMIDALE, N.S.W. 2351, Australia 

 a Regeneration and development. Blattella germanica (Blattodea) (with A. F. O'FARRELL) 

 WHITT, G. S.; Ph.D., Assoc Prof. - Dept. of Genet, and Developm., Univ. of Illinois, 515 Morrill 



Hall, URBANA, IL 61801, USA 

 WHITTAKER, J. R.; Ph.D. - Wistar Inst, of Anat. and Biol., 36th St. at Spruce, PHILADELPHIA, 



PA 19104, USA 

 a Mechanisms regulating melanogenesis in normal differentiating pigment cells and in malignant 



tumor cells. Ciona intestinalis (Ascidiacea), Gallus domesticus (Aves), Mesocricetus auratus 



(Rodentia) 

 b Positional information in mosaic embryos for histospecific enzyme differentiations: acetyl- 

 cholinesterase, tyrosinase, and alkaline phosphatase. Ciona intestinalis, Styela partita, Molgula 



manhattensis (Ascidiacea) 

 c Differentiation of the pineal gland in vitro and in situ. Gallus domesticus (Aves) 

 d Structural and histochemical features of development relating to the origin of the larva, its 



ecological adaptations, and the evolution of pelagic forms. Various spp. (Ascidiacea; Larvacea) 

 WHITTEN, W. K.; D.Sc, B.V.Sc. - The Jackson Lab., BAR HARBOR, ME 04609, USA 

 a Preimplantation stages of development in vivo and in vitro. Mus musculus (Rodentia) 

 b Development in aggregation chimeras (two half, two whole and four whole embryos). Same 



species as a 

 c Mechanism of development of spontaneous sex mosaics (hermaphrodites). Same species as a 

 WILDE, Ch. E., Jr.; Ph.D., Prof. - Dept. of ZooL, Univ. of Rliode Island, KINGSTON, RI 02881, 



USA 



98 



