HOSTETLER J. R.; Ph.D., Assoc. Prof. - Dept. of Anat., Ohio State Univ., 333 West 10th Ave., 

 COLUMBUS, OH 43210, USA 



HOTTA, Y; Ph.D. - Ctr. for Devi. Biol. B-022, Univ. of California, San Diego, LA JOLLA, CA 92093, 

 USA 



a Regulation of DNA synthesis during meiotic development. Trillium erectum, Lilium longiflorum, 

 TuUpa gesneriana, Vicia faba, BeUevalia romana (Angiospermae) 



b Cell transformation, especiaUy of meiotic cells by biopolymer molecules in vitro. Lilium longi- 

 florum, Triticum aestivum (Angiospermae) 



c Meiotic cell culture in vitro and the regulation of the meiotic process. Rattus spec. (Rodentia) 



d Qiaracterization of r-protein (meiotic DNA binding protein) and the localization in meiotic 

 cells. Lilium longiflorum (Liliaceae), Rattus spec. (Rodentia) 



e Mechanisms of chromosomal condensation in meiotic cells in comparison with somatic ones. 

 Same species as d 



HOUGH-EVANS (RAYMOND), Ms. B.; Ph.D. - Div. of Biol., Calif. Inst, of TechnoL, PASADENA, 

 CA91125,USA 



a Molecular biology of oogenesis and early development, particularly gene activation. Ilyanassa 

 obsoleta (Gastropoda), Strongylocentrotus purpuratus (Echinoidea), Engystomops pustulosus, 

 Xenopus laevis (Anura) 



HOWELL, S. H.; Ph.D. - Ctr. for Devi. Biol. C-016, Univ. of California, San Diego, LA JOLLA, 

 CA 92093, USA 



a Events which control the cell cycle: periodic transcription of nuclear or chloroplast genes which 

 code for chloroplast membrane proteins, the C02 fixation enzyme and microtubule proteins. 

 Chlamydomonas reinhardi (Volvocales, Qilorophyceae) 



b Tlic messenger RNAs and genes coding for the small and large subunits of RUBPCase. Same 

 species as a 



HOWES, R. I.; D.D.S., Ph.D. - Dept. of Anat. Sci., Univ. of Oklalioma Health Sci. Ctr., P.O. Box 

 26901, OKLAHOMA-City, OK 73190, USA 



a Histologic and morphogenic development of tootli crowns and roots (ectopic tooth transplants). 

 Rana pipiens (Anura), Iguana iguana (Lacertilia), Heterodontis francisci (Elasmobranchii) and 

 other lower Vertebrata 



HSU (LIANG), Ms. C. Y.; Ph.D., Prof. - Dept. of Bioniorphics, Natl. Defense Med. Ctr., P.O. Box 

 8244, TAIPEI 107, Taiwan, Rep. of China 



a Experimental sex differentiation. (Ajiura) 



b Steroid analysis in larvae. Rana catesbeiana (Anura) 



HSU Yu-Oiih; M. D., D.M.Sc, Prof. - Lab. of Mammal. Devi, and Oncogen., Dept. of Pathobiol., 

 Sch. of Hyg. and Publ. Health, Johns Hopkins Univ., 615 N. Wolfe St., BALTIMORE, MD 21205, 

 USA 



a Regulation of embryo development in vitro. Mus musculus (Rodentia) 



b Embryo growth factors beyond the implantation stage. Same species as a 



c Culture of individually isolated whole embryos from blastocyst to early somite stage. Same spe 

 cies as a 



HUBBERT, W. T.; D.V.M., Prof. - Dept. of Epidemiol, and Comm. Health, Sch. of Vet. Med., Loui- 

 siana State Univ., BATON ROUGE, LA 70803, USA 



a Vertical transmission of infection and its effect on fetus and neonate. Bos taurus (Artiodactyla) 



HUBER, I.; Ph.D., Assoc. Prof. - Dept. of Biol., Fairleigh Dickinson Univ., 285 Madison Ave., MA- 

 DISON, NJ 07940, USA 



a Development of normal embryos and inviable embryos from gametes produced by translocation 

 heterozygotes. BlatteUa germanica (Blattodea) 



b Attempts to culture embryos in vitro, especially culture media; influence of egg case on induc- 

 tion. Same species as a 



HUGHES, R. L.; Ph.D. - Sch. of Anat., Univ. of Queensland, St. Lucia, BRISBANE, Qld. 4067, 



HUMPHREY, R. R. f Ph.D., Prof. - Indiana Univ., BLOOMINGTON, IN 47401, USA 

 HUMPHREYS, T. D.; Ph.D., Prof. - Kewalo Lab., Pacif. Biomed. Res. Ctr., Univ. of Hawaii, 41 Aliui 



St., HONOLULU, HI 96813, USA 

 a RNA and protein synthesis in embryos. Colobocentrotus atratus, Lytechinus pictus, Tripneustes 



gratiUa (Echinoidea) 

 b Characterization of aggregation factor. Microciona prolifera, Terpioz zeteki, Haliclona occulata 



(Porifera) 

 HUMPHREYS, W. J.; Ph.D., Prof. - Dept. of Zool., Univ. of Georgia, ATHENS, GA 30602, USA 

 a Ultrastructure of blastomeres in mosaic eggs. Mytilus edulis (LameUibranchia) 

 b Desiccated cytoplasm of viable, encysted embryos, studied by transmission EM, freeze -fracturing, 



and scanning EM. Artemia salina (Anostraca, Crustacea) 

 c Inhibition and induction of the acrosome reaction in spermatozoa. Oryctolagus cuniculus (Lago- 



morpha) 

 HUMPHRIES, A. A., Jr.; Ph.D., Prof. - Dept. of Biol., Emory Univ., ATLANTA, GA 30322, USA 

 a Fertilization: role of jelly envelopes; polyspermy control; membrane potential changes. Triturus 



cristatus, Notophthalmus viridescens (Urodela) 

 b Oogenesis and development in marsupial species. Gastrotheca riobambae, G. ovifera, Flectonotus 



pygmaeus (Anura) 

 HUNT, E. L.; Ph.D., D.Sc, Prof. - Dept. of Biol., Emory Univ., ATLANTA, GA 30322, USA 

 a Developmental pathology of the endocrine pancreas. Gallus domesticus (Aves) 



41 



