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



(Carnivora), Bos taurus, Ovis aries (Artiodactyla), and other Mammalia (with H. E. EVANS, 



Ithaca, NY) 

 WILLIS (HORWITZ), Mrs. J.; Ph.D., Assoc. Prof. - Dept. of Lntomol., Univ. of Illinois, URBANA, 



IL. 61801, U.S.A. 

 WILSON, Mrs. D. BURDA; Ph.D. - Div. of Anat., Med. School, Univ. of Calif. San Diego, LA JOLLA, 



CA 92093, U.S.A. 

 a Mechanisms of tcratogcnesis in the embryonic and neonatal nervous system, using autoradio- 

 graphy, electron microscopy (transmission and scanning), and tissue culture. Gallus domcsticus 



(Avcs), Mus musculus (Rodentia), Macaca mulatta (Primates) 

 b Cellular kinetics in the embryonic nervous system (normal and abnormal); developmental 



genetics of neurological mutants. Same species as a 

 WILT, F. H.; Ph.D., Prof. - Dept. of Zool., Univ. of California, BERKELEY, CA 94720, U.S.A. 

 a Mechanism of origin of hemoglobin-synthesizing machinery during development. Gallus 



domcsticus (Aves) 

 b Activation of protein and RNA synthesis in cleaving eggs. Strongylocentrotus purpuratus 



(Echinoidea) 

 c RNA synthesis during development. Same species as b 

 WIMSATT, W. A.; Ph.D., Prof. - Div. of Biol Sci., Cornell Univ., G45 hmerson Hall, ITHACA, 



NY 14853, U.S.A. 

 a Embryological basis for structural and functional ovarian asymmetry. (Molossidae, Chiroptera) 

 WISCHNITZER, S.; Ph.D., Prof. - Dept. of Biol., Yeshiva Univ., 186th St. and Amsterdam Ave, NEW 



YORK, NY 10033, U.S.A. 

 WISEMAN, L. L.; Ph.D. - Dept. of Biol., CoU. of William and Mary, WILLIAMSBURG, VA 23185, 



U.S.A. 

 a Cell adhesion and cell movement of embryonic cells in culture. Gallus gallus (Aves), Mus 



musculus (Rodentia) 

 WOLFE, H.G.; Ph.D., Prof. - Dept. of Physiol, and Cell Biol., Univ. of Kansas, LAWRENCE, 



KS 66045, U.S.A. 

 a Basis(es) for abnormal spermiogenesis and consequent steriUty caused by a series of radiation- 

 induced alleles at the pink-eyed dilution (p) locus (separation of stage specific cell types, Sertoli 



cells, and interstitial cells; electron microscopy; culture in vitro). Mus musculus (Rodentia) 

 b Genetic and chromosomal control of sex ratio: 1. estimating primary (conception) sex ratios (at 



metaphase of first cleavage) in strains having fixed genetic differences iii secondary (birth) and 



tertiary (weaning) sex ratios; 2. correlating length of Y chromosome to sex ratio and known 



behavioral characteristics. Same species as a 

 WOLFE, J. S.; Ph.D., Assoc. Prof. Dept. of Biol., Weslcyan Univ., MIDDLETOWN, CT 06457, 



U.S.A. 

 a Developmental aspects of conjugation (autoradiography, electron microscopy, density gradient 



centrifugation, electrophoresis, cell cycle analyses, chemical mutagenesis, surface probes). 



Tetrahymena pyriformis (Ciliata) 

 b Regulation of ribosomal RNA synthesis during the cell cycle (selection synclirony, molecular 



hybridization, electrophoresis). Same species as a 

 c Non histone chromosomal proteins in the division cycle and during sexual differentiation. Same 



species as a 

 WOLK, C. P.; Ph.D., Prof. - MSU/ERDA Plant Res. Lab., Michigan State Univ., EAST LANSING, 



MI 48824, U.S.A. 

 a Biochemical mechanisms governing differentiation and pattern formation in filamentous forms. 



Anabaena cylindrica, A. variabilis, Cylindrospermum licheniforme (Cyanophyceae) 

 WOLK, M.; M.Sc. - Dept. of ZooL, Hebrew Univ., JERUSALEM, Israel 

 a Differentiation and movement of hypoblast cells, based on antigenic differences between cpiblast 



and hypoblast. Gallus spec. (Aves) 

 WOLSKY, A.; Dr.phil., Prof. - Dept. of Radiol., New York Univ. Med. Center, 550 First Ave., NEW 



YORK, N.Y. 10016, U.S.A. 

 a Effect of anti-metabohtes, antibiotics (especially actinoniycin) and nucleic acids on development 



and regeneration. Paracentrotus lividus, Arbacia punctulata (Echinoidea), Triturus viridescens, 



Rana pipiens (Amphibia) 

 b A re-investigation of the influence of neurogenesis on the development of the compound eye. 



Bombyx mori (Lepidoptera) 

 c Effect of ultrasound on development and regeneration. Drosophila melanogaster (Diptera), 



Triturus viridescens, Rana pipiens (Amphibia) 

 WOOD, Miss B. G.; Ph.D. - Dept. of Zool., Univ. of Maine, Murray Hall, ORONO, ME 04473, U.S.A. 

 a Influence of pituitary hormones on the induction of development in the mammary glands of a 



dwarf mutant. Mus musculus (Rodentia) 

 b Differentiation of fetal liver enzyme pathways in vitro and in vivo. Same species as a 

 WOODS, J. E.; Ph.D., Assoc. Prof. - Dept. of Biol. Sci., De Paul Univ., 1036 W. Belden Ave., 



CHICAGO, IL 60614, U.S.A. 

 a Histochemistry of androgens and estrogens in the gonads and adrenals and initiation of estrogen 



synthesis in the gonads of the developing embryo. Gallus domcsticus (Aves) 

 b I'unctional maturation of the adcnohypophysial-testicular-ovarian axes of the developing embryo 



as determined by plasma testosterone and 1 7-bcta-estradiol levels. Same species as a 

 WOURMS, J. P.; Ph.D. - Dept. of Zool., CIcmson Univ., CLEMSON,SC 29631, U.S.A. 

 a Cellular aspects of spontaneous dispersion-reaggregation during early development; description ot^ 



embryogenesis in the reaggregation mass; experimental analysis of development; biochemistry ot 



96 



