c Part played by tissue interactions in development of some skin diseases mcludmg psoriasis. Mouse 



and various domestic animal species (Mammalia), Man 

 d Effect of retinoic acid (injected) on 7-14 day embryo development. Chicken (with D. 



DHOUAILLY, Grenoble) 

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

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



including ionic control of microtubule and microfilament polymerisation during cleavage 



(cytochemistry, EM). Strongylocentrotus purpuratus (Echinoidea) 

 b Role of microtubules and microfilaments in the migration of pigment vesicles and other 



particles following fertilisation. Species as a 

 c Indirect immunofluorescence microscopy of tubulin and actin in unfertihsed eggs; changes in the 



cytoskeleton following fertilisation and during early cleavage. Species as a, and other marine spp. 



(Invertebrata) 

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



USA 

 HARTMANN, J. E.; Ph.D. - Merck Inst, for Therap. Research, P.O.Bo.x 2000, RAHWAY, NJ 07065, 



USA 

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



Tenpaku-ku, NAGOYA, 468 Japan 

 a Restitution of the eye. (Teleostei) 



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



HASSONA, A. A. S.; M.Sc. - Dept. of Zool., Fac. of Sci., Alexandria Univ., Moharram Bey, ALEX- 

 ANDRIA, Egypt 

 a Experiments on determination of the proximo-distal axis of the developing hind limb. Bufo 



regularis (Anura) (with M. I. MICHAEL, S. N. SEDRA and S. H. KHALIL) 

 HASWELL, Ms. P.; M.Sc. - Dept. of Zool., Washington State Univ., PULLMAN, WA 99164, USA 

 a Biochemical differentiation of mammary epithelial cells in culture: normal preneoplastic and 



tumor cells. Mouse 

 HAY, D. M.; Ch.B., Prof. - Div. of Obstet. & Gynecol., Health Sci. Ctr., Univ. of Calgary, CALGARY, 



Alta,T2N 1N4, Canada 

 HAY, Ms. E. D.; M.D., Prof. - Dept. of Anat., Harvard Med. School, 25 Shattuck St., BOSTON, MA 



02115, USA 

 a Localization of regeneration cells. 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 species as b 

 HAY R. J.; Ph.D. - Cell Cult. Dept., Amer. Type Culture Collection, 12301 Parklawn Drive, 



ROCKVILLE, MD 20852, USA 

 a Lung, myelogenous and gastrointestinal cell cultures for studies of differentiation, physiology, 



and senescence. (Mammalia) 

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



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

 a E. M. of experimentally induced malformations of the CNS. Mouse, Rat 

 b Effects of low-dose x-irradiation upon the developing brain. Mouse (with Y. KAMEYAMA and 



K. HOSHINO) 

 HEATH, H. D.; Ph.D., Prof. - Dept. of Biol. Sci., Calif. State Univ., HAYWARD, CA 94542, USA 

 a Growth regulation in larvae. Taricha torosa (Urodela) 



b Tentacle regeneration. Hydra littoralis, Chlorohydra viridissima (Hydrozoa) 

 HEIM, W. G.; Ph.D., Prof. - Dept. of Biol., Colorado CoU., COLORADO SPRINGS, CO 80903, USA 

 a Neurotrophic effects in limb regeneration. Xenopus laevis (Anura) 

 b Genetic control of longevity . Drosophila spp. (Diptera) 

 c Developmental effects of genetic abnormalities. Man 

 HEIN, Ms. R. R.; Ph.D., Prof. - Div. of Nat. Sci. and Mathem., St. Mary's Coll. of Maryland, ST. 



MARY'S-City, MD 20686, USA 

 a Effect of chemical agents (usually metals) on development, and possible correlation with the 



effect of selected enzyme systems present in developing and regenerating tissues. Dugesia 



dorotocephala (Turbellaria), (Echinodermata) 

 HEMING, B. S.; Ph.D. - Dept. of Entomol., Univ. of Alberta, EDMONTON, Alta T6G 2E3, Canada 

 a Descriptive study of metamorphosis. Frankliniella fusca, Haplothrips verbasci and other spp. 



(Thysanoptera) 

 b Descriptive study of embryogenesis. Haplothrips verbasci (Thysanoptera) 



c Descriptive study of late embryogenesis; sense organs. Lytta viridana (Meloidae, Coleoptera) 

 d Embryogenesis, especially anatomy of mouth part development. Macrosteles fascifrons 



(Homoptera) 

 HENDRICKX, A. G.; Ph.D. - Calif. Primate Res. Ctr., Univ. of California, DAVIS, CA 95616, USA 

 a Temporal and endocrine relationships of ovulation, fertihsation, implantation, and early 



embryonic development. Macaca mulatta, M. radiata, Papio cynocephalus (Primates) 

 b Teratogenic effects of corticosteroids (triamcinolone and dexamethasone) on development of 



skull, lymphoid and nervous system. Species as a 

 c Teratogenic and embryotoxic effects of contraceptives (Norlestrin: Norethindrone acetate and 

 ethinyl estradiol). Macaca mulatta, M. radiata (Primates) 



36 



