HALPERIN, W.; Ph.D., Assoc. Prof. - Dept. of Bot., Univ. of Washington, SEATTLE, WA 98195, 



U.S.A. 

 a The chemical basis for enibryogenic phenotype (cell culture). Daucus carota (UmbeUifera) 

 b Effects of cytokinins on cell wall metabolism, with special reference to tracheid development. 



Helianthus tuberosus, Pelargonium spp., Coieus spp. (Angiospcrmae) 

 c In vitro studies on crown gall. (Angiospermae) 



HAMA, T.; D.Sc, Prof. - Biol. Inst., Fac. of Sci., Nagoya Univ., Chikusa, NAGOYA 464, Japan 

 a Morphogenetic movement and epigenetic development of head and trunk organizers; aging 



mechanism of presumptive ectoderm. Cynops pyrrhogaster (Urodela) 

 b Culture, differentiation, and ultrastructure of pigment cells. Oryzias latipes (Teleostei) 

 HAMABATA, A.; M.D., Assoc. Prof. - Dept. de Bioquim., Centro de Invest, y de Estud. Avanzados, 



Inst. Politecn. Nac, Apartado Postal 14-740, MEXICO 14, D.F., Mexico 

 HAMADA, K.; Ph.D., Prof. - Lab. of Embryol. and Genet., Fac. of Fish., Hokkaido Univ., 



HAKODATE, Japan 

 a Development of the chloride cell of anadromous species. (Gasterosteidae; Gobiidae, Teleostei) 

 HAMADA, S. H.; Ph.D. - Dept. of Biol. Sci., Fordham Univ., NEW YORK, Bronx, NY 10458, U.S.A. 

 a The role of glycoproteins in forelimb regeneration (labelled glucose, electron microscopic 



radioautography, blastema culture). Taricha torosa (Urodela) 

 b The reaggregation of disaggregated embryos in culture (effects of biochemical inhibitors and of 



an "enhancing factor"; time lapse phase microscopy and electron microscopy). Strongylocen- 



trotus purpuratus (Echinoidea) 

 HAMBURGER, V.; Ph.D., Prof. (Emer.) - Dept. of Biol., Washington Univ., Skinker and Lindell Ave., 



ST. LOUIS, MO 631 30, U.S.A. 

 HAMBURGH, M.; Prof. - Dept. of Biol., City Coll. of the Univ. of New York, Convent Ave. & 139th 



St., NEW YORK. NY 10031, U.S.A. 



also: Dept. of Anat., A. Einstein Coll. of Med., Eastchester Rd. & Morris Park Ave., NEW YORK, 



Bronx, NY 10461, U.S.A. 

 HAMILTON, H. L.; Ph.D., Prof. - Dept. of Biol., Univ. of Virginia, Gilmer Hall, CHARLOTTES- 

 VILLE, VA 22903, U.S.A. 

 a Organogenesis. Gallus domesticus (Aves) 

 HAMMOND W. S.; Ph.D.; Assoc. Prof. - Dept. of Anat., Upstate Med. Ctr., State Univ. of New York, 



766 Irving Ave., SYRACUSE, NY 13210, U.S.A. 



No work on developmental biology in progress 

 HAMNER, Ch. E.; D. V. M., Ph.D. - Dept. of Obstet. and Gynecol., Div. of Reprod. Biol., Univ. of 



Virginia Med. Sch., Box 179, CHARLOTTESVILLE, VA 22903, U.S.A. 

 a The composition of oviduct secretions of ovariectomized females with and without estrogen anc 



progesterone injections and the effect of these secretions on sperm metabolism, fertilizing abilit> 



and blastocyst development. Oryctolagus cuniculus (Lagomorpha), Felis catus (Carnivora) 

 b The role of steroids in capacitation of sperm in the female reproductive tract. (MammaUa) 

 c Reproductive physiology; artificial insemination technique, sperm characterization, seminal 



plasma constituents, in vitro fertilization. Fehs catus (Carnivora) 

 HAMPEL, A. E.; Ph.D., Assoc. Prof. - Dept. of Biol. Sci., Northern IlHnois Univ., Montgomery Hall, 



DcKALB, IL60115, U.S.A. 

 a Protein and nucleic acid synthesis in late tailbud stages (incorporation study). Xenopus laevis 



(Anura) 

 HANADA, A.; DVS - Natl. Inst, of Anim. Industry, CHIBA-shi, 280 Japan 

 a Fertilization of ova. Bos taurus, Capra iiircus (Artiodactyla) 

 HANAOKA, Y.; M.Sc. - Dept. of Comp. Endocrinol., Inst, of Endocrinol., Gunma Univ., Showa- 



machi, MAEBASHI, 371 Japan 

 HANCOCK, R. L.; M.D., Assoc. Prof. - Div. of Med. Biochem., Health Sci. Ctr., Univ. of Calgary, 



CALGARY, Aha T2N 1N4, Canada 

 a Alpha-fctoprotein in developing and neoplastic liver. Rattus spec. (Rodentia), Homo sapiens 



(Primates) 

 HANSON, E. D.; Ph.D., Prof. ~ Dept. of Biol., Wesleyan Univ., MIDDLETOWN, CT 06457, U.S.A. 

 a Developmental genetics of oral structures (techniques: electron microscopy, UV microbeam, 



nucleic acid and protein antimetabolites) Paramecium aurelia, P. trichium (CiUata) 

 b Mutations which affect structural integrity of the cell, esp. conditional mutants (chemical 



mutagenesis, breeding analyses, light and electron microscopy). Paramecium aureha (CiUata) 

 c Functional analysis of fine structure of cell cortex (techniques: electron and light microscopy, 



chemical and physical agents wliich disrupt fine structure). Same species as b 

 HANZELY, L.; Ph.D., Assoc. Prof. - Dept. of Biol. Sci., Northern Ulmois Univ., DeKALB, IL 601 15, 



U.S.A. 

 a Ultrastructue of the mode of nucleolar reformation. Allium sativum (Liliaccae) 

 b I'ine structure and cytochemistry of microbodies. ( Ali;ae) 



HARADA. IL; D.Sc. - Dept. of Biol. Sci., Univ. of Tsukuba, IBARAKI-KEN, 300-31 Japan 

 a Hormonal control of somatic embryogenesis (tissue culture). Petunia inflata, P. hybrida. 



Antirrhinum majus, Pharbitus nil (Angiospermae) 

 HARDY, Ms. M. H.; Pli.D., Prof. - Dept. of Biomed. Sci., Ontario Vet. Coll., Univ. of Guelph, 



GUELPH, Ont. NIG 2W2, Canada 

 a Development of asebia (ab/ab) iiomozygotcs: changes in the dermis before birth, ciianges in 



sebaceous gland secretion, hair follicle orientation, and endocrine organs. Mus musculus 



(Rodentia) 

 b Induction of nuicous metaplasia of skin and liair follicles in vitro by vitamin A (electron 



36 



