

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



sebaceous gland secretion and hair follicle orientation. Mus musculus (Rodentia) 

 b Mucous metaplasia of skin and hair follicles in vitro under excess vitamin A (electron microscopy, 



separation and recombination of dermis and epidermis). Same species as a 

 HARRIS, M.;Ph.D., Prof. - Dept. of Zool., Univ. of California, BERKELEY, Calif. 94720, U.S.A. 

 a Somatic cell hybridization: mechanisms of cell fusion and phenotypic expression of characters in 



hybrids. Mesocricetus auratus (Rodentia) 

 HARRIS (FELDMAN), Mrs. P. J.; Ph.D., Assoc. Prof. - Biol. Dept., Univ. of Oregon, EUGENE, Ore. 



97403, U.S.A. 

 a Localization of 'maternal' messenger RNA in eggs; isolation of 'heavy bodies' and characteriza- 

 tion of their RNA (biochemistry, electron microscopy). Strongylocentrotus purpuratus 



(Echinoidea) 

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



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



(Echinoidea) 

 HARRISON, J. R.; Ph.D., Prof. - Dept. of Zool., State Univ. of New York, OSWEGO, N.Y. 13126, 



U.S.A. 

 a In vitro studies on the growth and differentiation of the retinal pigment in the embryonic eye: 



analysis of developmental factors contained in the yolk-albumen of the egg. Gallus domesticus 



(Aves) 

 b Uptake of glucose by early primitive streak to early somite embryos (isotope techniques). Same 



species as a 

 c Glucose and amino acid metabolism in the early embryo. Same species as a 

 HARTH, M. S.; Ph.D. - Div. of Res., N. Carolina Dept. of Ment. Health, Dorothea Dix Hosp., Box 



7532, RALEIGH, NC 27611, U.S.A. 

 HARTMANN, J. F.; Ph.D. - Dept. of Reprod. Biol, Merck Inst, for Therap. Res., RAHWAY, N.J. 



07065, U.S.A. 

 a Prepenetration reactions in fertilization. (Mammalia) 

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



Shyowa-ku, NAGOYA, 468 Japan 

 a Restitution of the eye. (Teleostei) 



b Morphogenesis of the retinal pigment cell. Same species as a 

 HASELKORN, R.; Ph.D., Prof. - Dept. of Biophys. and Theoret. Biol., Univ. of Chicago, 1101 E. 



57th St., CHICAGO, IL 60637, U.S.A. 

 a Cell differentiation: control of heterocyst development and synthesis of nitrogen-fixing enzymes. 



Nostoc muscorum (Cyanophyceae) 

 HASHIMOTO, K.; M.D., Prof. - Dept. of Med., Div. of Dermatol., Univ. of Tennessee, Vet. Adm. 



Hosp., 1030 Jefferson Ave., MEMPHIS, Tenn. 38104, U.S.A. 

 a Embryogenesis of cutaneous fine structures. Homo sapiens (Primates) 

 HASHIMOTO, K.; D.Sc. - Biol. Lab., Kozu High School, Tennoji-ku, OSAKA, Japan 

 HASSELL, J. R.; Ph.D. - Exp. Pharmacol. Sect., Natl. Inst, of Dent. Res., Natl. Inst, of Health, Bldg. 



30, Rm 225, BETHESDA, Md. 20014, U.S.A. 

 a The role of DNA synthesis and cell migration in growth regulation of facial structures. (Mam- 

 malia) 

 b Changes in protein-protein interactions during development. (Mammalia) 

 HAY, D. M.; Ch.B., Assoc. Prof. - Div. of Obstet. and Gynecol., Health Sci. Centre, Univ. of Calgary, 



CALGARY, Alta. T2N 1N4, Canada 

 a Ante-natal monitoring of the fetus. (Mammalia) 

 HAY, Miss E. D.; M.D., Assoc. Prof. - Dept. of Anat., Harvard Med. School, 25 Shattuck St., 



BOSTON, Mass. 02115, U.S.A. ISDB 



a Regeneration cells, and localization of RNA turnover (electron microscopic autoradiography). 



Planaria spec. (Turbellaria), Triturus viridescens (Urodela) 

 b Fine structure of the developing cornea, and localization and identification of proteins secreted 



by the epithelium (autoradiography and chromatography). Gallus domesticus (Aves) 

 c Migration of corneal endothelium and mesenchymal cells; role of glycosaminoglycans in cell 



migration and development. Same species as b 

 d Secretion of collagen by neural tube and other embryonic epithelia; its role in tissue interaction. 



Same specis as b 

 HAY, R. J.; Ph.D., Assoc. Prof. - Dept. of Biol. Sci., Wright State Univ., Col. Glenn Highway, 



DAYTON, OH 45431, U.S.A. 

 HAYASHI, Y.; Ph.D., Prof. - Daizawa 2-18-18, Setagaya-ku, TOKYO, Japan ISDB 



HAYASHI, Y.; M.D. - Dept. of Developm. Pathol., Res. Inst, of Environm. Med., Nagoya Univ., 



Furo-cho, Chikusa-ku, NAGOYA, 464 Japan 

 a Electron microscopy of experimentally induced malformations of the central nervous system. 



Mus musculus, Rattus norvegicus (Rodentia) 

 b Effects of low-dose x-irradiation upon the developing brain. Mus musculus (Rodentia) (with Y. 



KAMEYAMA and K. HOSHINO) 

 HEARSON, L. L.; Ph.D., Assoc. Prof. - Dept. of Biol, Wabash Coll., CRAWFORDSVILLE, Ind. 



47933, U.S.A. 

 a Proliferation, DNA synthesis and nerve Fiber patterns in forelimb blastemata. Ambystoma 



mexicanum (Urodela) 

 b Cytochemistry of dedifferentiation and redifferentiation in denervated limbs. Ambystoma 



maculatum, A. opacum (Urodela) 

 c Proliferation patterns in aneurogenic forelimb blastemata. Same species as b 



37 



