ULBERG, L. C; Ph.D., Prof. - Dept. of Anim. Sci., North Carolina State Univ., P.O. Box 5127, 



RALEIGH, NC 27607, USA 

 UNNI, B. G.;M.Sc. - Dept. of Biochem., Fac. of Sci., AUaliabad Univ., ALLAHABAD 21102, India 

 a Biochemistry during fifth instar development and spinning period (silk gland, haemolymph, 



alanine aminotransferase, aspartate aminotransferase, protein, total free amino acids, individual 



free amino acids). Philosamia ricini (Lepidoptera) 

 b Effect of x-irradiation on larvae and adults, and sexual dimorphism. Same species as a, and 



Antheraea mylitta (Lepidoptera) (with R. PANT) 

 UNSWORTH, B. R.; Ph.D., Assoc. Prof. - Dept. of Biol., Marquette Univ., 530 North 15th St., 



MILWAUKEE, WI 53233, USA 

 a Control of translation at the ribosomal level during organogenesis. Gallus domesticus (Aves) 

 b Brain differentiation; correlation between tetrodotoxin binding and brain function; comparison 



of development in two phyla. Gallus domesticus (Aves), Mus musculus (Rodentia) 

 c Biochemical changes in aging and developing bram. Mus musculus, Rattus rattus (Rodentia) 

 d Separation and identification of neuronal and glial ceU populations from telencephalon, cere- 

 bellum and brain stem in aging animals. Same species as c 

 e Surface-associated glycoproteins in neuronal and glial cells from aging brains. Same species as c 

 UPHOLT, W. B.; Ph.D. - Depts. of Pediat. and Biochem., Univ. of Chicago, HM 413, CHICAGO, 



IE 60637, USA 

 a Control of gene expression durmg differentiation of dissociated limb bud (stage 25) into cartilage 



in vitro. GaUus domesticus (Aves) 

 URIST, M. R.; M.D. - Bone Res. Lab., Univ. of California, 1000 Veteran Ave., Rm. A3-34, LOS 



ANGELES, CA 90024, USA 

 a Bone morphogenesis: the physiology and biochemistry of bone matrix in health and disease; 



the regulation of bone generation, growth and regeneration by a new enzyme system, BMP- 



BMPase; osteosarcoma derived bone morphogenetic protein; transplantation; calcification; 



ossification. Mus perognathus, Rattus sigmoidon, Cavia porcellus (Rodentia), (Lagomorpha), 



Homo sapiens (Primates) 

 VACQUIER, V. D.; Ph.D. - Zool. Dept., Univ. of California, DAVIS, CA 95616, USA 

 a Morphology and biochemistry of fertilization. (Echinoidea) 

 VAFOPOULOU-MANDALOS, Ms. X.; M.A. - BioL ScL Group, Univ. of Connecticut, Box U-42, 



STORRS,CT 06268, USA 

 a Protein synthesis during larval development. Chironomus spec. (Diptera) 

 VALDEZ TOLEDO, Ms. C. L. - Inst, de Biol., Univ. Nac. de Tucuman, Chacabuco 461, S. M. de 



TUCUMAN, Argentina 

 a Descriptive analysis of oogenesis. Bufo arenarum (Anura) 

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

 c Endocrine control of metabohsm during oocyte maturation. Same species as a 

 VANABLE, J. W., Jr.; Ph.D., Assoc. Prof. - Dept. of Biol. Sci., Purdue Univ., WEST LAFAYETTE, 



IN 47907, USA 

 a The possibility of selectivity in neuromuscular associations: extrinsic ocular muscles. Xenopus 



laevis (Anura) 

 b Visual mutants as a tool to study eye development. Mus musculus (Rodentia) 

 c Electrical currents and regeneration. Triturus viridescens, Desmognathus quadrimaculatus 



(Urodela), Xenopus laevis, Rana pipiens (Anura) 

 VAN ALTEN, P. J.; Ph.D., Prof. - Dept. of Anat., Coll. of Med., Univ. of Illinois, P.O. Box 6998, 



CHICAGO, IE 60680, USA 

 a Ontogeny of the immunological mechanism. Gallus domesticus (Aves) 

 b Development of lymphocyte competence to respond to mitogens in vitro. Gallus domesticus 



(Aves), Rattus norvegicus (Rodentia) 

 c Development of antigenic components in the brain. Mesocricetus auratus (Rodentia) 

 d Isotope studies of blood cell formation, especially lymphocytopoiesis. Same species as a 

 VAN DER MEULEN, Ms. D. M.; B.Sc. (Hons.) - Physiol. Dept., Fac. of Med., Univ. of Natal, P.O. 



Box 17039, CONGELLA 4013, S. Africa 

 a Differentiation and development of pancreatic islet cells. Gallus gallus, Coturnix c. japonica 



(Aves) 

 VAN DER WESTHUIZEN, Ms. L. de K.; M.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 Experimental encephalocele. Gallus domesticus (Aves) 

 VAN EXAN, R. - Dept. of Biomed. Sci., Ontario Vet. Coll., Univ. of Guelph, GUELPH, Ont. NIG 



2W2, Canada 

 a Induction of mucous metaplasia of skin and hair follicles in vitro by vitamin A (electron micros- 

 copy, separation and recombination of dermis and epidermis, autofluorescence of vitamin A). 



Mus musculus (Rodentia) 

 b Diffcrentiafion of the dermis, its cell types and intercellular matrix in 12-18 day embryos 



(histochemistry, light and electron microscopy). Same species as a 

 VAN STONE, J. M.; Ph.D., Prof. - Dept. of Biol., Trinity Coll., HARTFORD, CT 06106, USA 

 a General study of hmb regeneration. Rana sylvatica (Anura) 



VARMA, H. C; Ph.D., Prof. - Dept. of Anat., L.L.R.M. Med. Coll., MEERUT-250102, India 

 VARON, S. S.; M.D., Prof. - Ctr. for Devi. Biol. M-OOl, Univ. of Calif., San Diego, LA JOLLA, CA 



92093, USA 

 a In vitro differentiation of nerve tissue. Gallus domesticus (Aves) and others 

 b Growth- and differentiation-promoting agents from the submaxillary gland. Mus musculus 



(Rodentia) 



95 



