c Reproductive physiology; artificial insemination technique, sperm characterizauun, seminal plas- 

 ma constituents, in vitro fertilization. Felis catus (Carnivora) 

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



DeKALB,IL 60115, USA 

 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 

 HANADA, H. - Lab. of Genet. Disorders, Natl. Inst, of Anim. Industry, 959, Aobacho, CHIBA 280, 



Japan 

 a Effects of various chemicals on embryonic development. Mus musculus (Rodentia), Gallus 



domesticus (Aves) 

 HANAOKA, Y.;D.Sc. -Dept. of Comp. r.ndocrinol., inst. of Endocrinol., Gunma Univ., Shov/amachi, 



MAEBASHI, 371 Japan 

 a Oocyte maturation. Xenopus laevis (Anura) 

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



CALGARY, Alta T2N 1N4, Canada 

 a Alpha-fetoprotein 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, USA 

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



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

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

 genesis, breeding analyses, light and electron microscopy). Paramecium aurelia (Ciliata) 

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



physical agents which disrupt fine structure). Same species as b 

 HANSON, T. E.; Ph.D. - Dept. of Biol., Temple Univ., Broad & Berks St., PHILADELPHIA, PA 19122, 



USA 

 a Pattern formation in the retina. Drosophila spec. (Diptera) 

 b Rctinotectal neurospecificity. Xenopus laevis (Anura) 

 HANZELY, L.; Ph.D., Assoc. Prof. - Dept. of Biol. Sci., Northern Illinois Univ., DeKALB, IL 60115, 



USA 

 a Ultrastructure of the mode of nucleolar reformation. Allium sativum (LUiaceae) 

 b Fine structure and cytochemistry of microbodies. (Algae) 



HARADA, H.; D.Sc. - Dept. of Biol. Sci., Univ. of Tsukuba, SAKURA-MURA, Ibaraki 300-31 Japan 

 a Hormonal control of somatic embryogenesis (tissue culture). Petunia infiata, P. hybrida. Antirrhi- 

 num majus, Pharbitus nU (Angiospermae) 

 b Effects of amino acids and growth regulators on in vitro organogenesis. Daucus carota, Perila 



crispa, Torenia fournieri, Nicotiana tabacum (Angiospermae) 

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



GUELPH, Ont. NIG 2\V2, Canada 

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



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



Mus musculus (Rodentia) 

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



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

 c Identification of "totipotent" cells disaggregated from unincubated blastoderms which give rise 



to blastulae and blastodiscs (histochemistry and electron microscopy). Gallus domesticus (Aves) 



(with P. FISER, Ontario Agric. CoU., Guelph) 

 d Part played by tissue interactions in development of some skin diseases studied by grafting and 



in vitro culture. Mus musculus and various domestic animal species (Mammalia), Homo sapiens 



(Primates) 

 e Effect of retinoic acid (injected) on 7-14 day embryo development. Same species as c (with 



D. DHOUAILLY, Grenoble) 

 HARRIS, Ms. P. J.; Ph.D., Assoc. Prof. - Biol. Dept., Univ. of Oregon, EUGENE, OR 97403, USA 

 a Centriole replication and separation, using mercaptoethanol to induce direct divisions from one 



to four cells (electron microscopy). Strongylocentrotus purpuratus, Dendraster excentricus 



(Echinoidea) 

 b Intracellular membrane systems and their role in regulating cytoplasmic ion concentrations, 



including ionic control of microtubule and microfilament polymerization during cleavage (cyto- 

 chemistry, electron microscopy). Strongylocentrotus purpuratus (Echinoidea) 

 c Role of microtubules and microfilaments in the migration of pigment vesicles and other particles 



following fertilization. Same species as b 

 HARRISON, J. R.; Ph.D., Prof. - Dept. of ZooL, State Univ. of New York, OSWEGO, NY 13126, 



USA 

 HARTMANN, J. F.; Ph.D. - Merck Inst, for Tlierap. Research, P.O. Box 2000, RAHWAY, NJ 07065, 



USA 

 a Prepenetration reactions in fertilization. Mesocricetus auratus (Rodentia) 

 HASEGAWA, M.; D.Sc, Prof. - Lab. of Biol., Women's Coll. of Tokai-Gakuen, Tenpaku-cho, Ten- 



paku-ku, NAGOYA, 468 Japan 

 a Restitution of the eye. (Teleostei) 

 b Morphogenesis of the retinal pigment cell. (Cobitidae, Teleostei) 



37 



