b Influences of hormones and carcinogen upon mammary growth of male and female immature 



animals. Mus musculus (Rodentia) 

 c Regeneration of transplanted mammary glands. Mus musculus (Rodentia) 

 HOSHINO, K. M.D. — The Research Inst, of Environm. Med., Nagoya Univ., Furo-cho, 



Chikusa-ku, NAGOYA. 464 Japan 

 a Effects of ionizing radiations upon embryos of different species. Mus musculus, Rattus 



norvegicus (Rodentia) (in collaboration with U. MURAKAMI, Y. KAMEYAMA and 



Miss T. NAKAYAMA) 

 b Effects of some chemical substances upon the embryo. Mus musculus. Rattus norvegicus 



(Rodentia) (in collaboration with Y. KAMEYAMA) 

 c The skeletal development of the embryo. Mus musculus, Rattus norvegicus (Rodentia) 

 d Morphogenesis of exencephaha and its allied conditions. Rattus norvegicus (Rodentia) 



(in collaboration with U. MURAKAMI) 

 e Morphogenesis of spina bifida and its allied conditions. Rattus norvegicus (Rodentia) (in 



collaboration with U. MURAKAMI) 

 HOTTA, Y. Ph.D. — Dept. of Biol., Univ. of California, San Diego, P.O. Box 109, LA 



JOLLA, Calif. 92037. U.S.A. 

 a Regulation of DNA synthesis during meiotic development. Trillium erectum. Lilium longi- 



florum, Tulipa gesneriana, Vicia {aba, Bellevalia romana 

 HOUGH (RAYMOND), Mrs. B. R. Ph.D. — Rockefeller Univ., 66th St. and York Ave., 



NEW YORK. N.Y. 10021, U.S.A. 

 a Study of gene activity in oogenesis, the species and function of nucleic acids produced in 



lampbrush stage oocytes. Xenopus laevis (Anura) (in collaboration with E. H. DAVID- 

 SON) 

 b Study of the molecular basis of cytoplasmic prelocalization. Ilyanassa obsoleta (Gastro- 



poda) (in collaboration with E. H. DAVIDSON) 

 HOUILLON, Ch. Dr.es Sc, Prof. — Lab. de Biol. Anim. (2e sect.), Fac. des Sci., Univ. 



de Paris, 12 rue Cuvier, 75 PARIS Ve, France • 



HOURDRY, J. — Lab. d'Anat. Comp., Fac. des Sci. d'Orsay, Univ. de Paris, Batiment 441, 



91-ORSAY, France 

 a Modifications de I'epithelium intestinal au cours de la metamorphose (microscopie elec- 



tronique). Discoglossus pictus, Alyfes obstetricans (Anura) 

 HOUTHOFF, H. J. Med.Drs. — Anat.-Embryol. Inst., Univ. of Amsterdam, Mauritskade 61, 



AMSTERDAM-O., Netherlands 

 a Degeneration and regeneration of anterior horn cells in the spinal cord of spinal ganglion 



cells and of the proximal stump following sciatic axotomy (histological and histochemical 



methods). Gallus gallus (Aves) 

 HROCH. M. Dr. — Dept. of Biol.. Med. Fac, Charles Univ., Simkova 870, HRADEC 



KRALOVfi, Czechoslovakia 

 a Nucleolus during myogenesis in vitro studied by phase-contrast time-lapse cinemato- 

 graphy. Gallus domesticus (Aves), Rattus norvegicus (Rodentia) (in collaboration with 



J. GAYER and V. PUZA) 

 HSU (LIANG), Mrs. C. Y. Ph.D., Prof. — Dept. of Biomorphics, Natl. Defense Med. 



Center, P.O. Box 7432, TAIPEI, Taiwan, Republ. of China 

 a The action of aureomycin on the growth of thyroidectomized tadpoles. Rana catesbeiana 



(Anura) 

 h Ageing of thyroidless tadpoles. Rana catesbeiana (Anura) 

 c Urine nitrogen of thyroidectomized tadpoles. Rana catesbeiana (Anura) 

 d The effect of aureomycin on tadpole development as influenced by temperature. Rana 



narina (Anura) 

 e Food intake of aureomycin-treated tadpoles. Rana catesbeiana (Anura) 

 f Correlation between experimental sex-differentiation and pituitary cytology. Rana cates- 

 beiana (Anura) 

 g The mechanism of growth-promoting effect of aureomycin in young animals. Gallus 



domesticus (Aves) 

 h Experimental sex reversal with high temperature. Rana spp. (Anura) 

 HUANG, Ru Chih C. Ph.D. — Dept. of Biol., Johns Hopkins Univ., Charles and 34th St., 



BALTIMORE, Md. 21218, U.S.A. 

 a Chemistry of chromosomal protein and chromosomal RNA. Gallus domesticus (Aves) 

 h Regulation of gene function at the molecular level. Gallus domesticus (Aves) 

 HUBBY, J. L. Prof. — Dept. of Biol., Div. of Biol. Sci., Univ. of Chicago, CHICAGO, 



111. 60637, U.S.A. 

 a Physiological genetics. Drosophila spec. (Diptera) 



HUBER, W. D.Sc. Prof. — Naturhist. Museum, Bernastr. 15. CH-3000 BERN, Switzerland 

 a Biometrie des Schadels. Canis familiaris (Carnivora), Capreolus capreolus. Rupicapra rupi- 



capra (Artiodactyla) 

 b Postembryonales Wachstum. Canis familiaris (Carnivora) 

 c Geschlechtszyklus. Rupicapra rupicapra (Artiodactyla) 



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