HOLTFRETER, J. K. F.; Ph.D., Prof. - Dept. of Biol., Univ. of Rochester, ROCHESTER, NY 14627, 

 U.S.A. 

 No work on developmental biology in progress 



HONDA, S. I.; Ph.D., Prof. - Dept. of Biol. Sci., Coll. of Sci. and Engin., Wriuht State Univ., Col. 



Glenn Highway, DAYTON, OH 45431, U.S.A. 

 a Structure and function of organelles, especially chloroplasts. (Angiospermae) 

 HOPPE, P. C; Ph.D. - The Jackson Lab., BAR HARBOR, ME 04609, U.S.A. 

 a Fertilization in vitro and embryo development. Mus musculus (Rodentia) 

 b Requirements for epididymal sperm maturation; sperm metabolism; effects of gamete aging on 



development. Same species as a 

 c Parthenogenesis. Same species as a 

 HORI, L; D.med. - Biol. Inst., Kanazawa Med. Univ., UCHINADA-machi, Ishikawa-ken, 920-02 



Japan 

 a Morphology of connective tissue. Dugcsia japonica (Turbellaria) 

 b Regeneration of basement membrane. Same species as a 

 c Electron microscopic cytochemistry of collagen fibril. (Invertebrates) 

 HORI, R.; D.Sc, Prof. - Biol. Inst., Toyama Univ., Gofuku 3190, TOYAMA, 930 Japan 

 a Activation analysis of trace elements (Mn, Zn and V) in the egg and their absorption from the 



surrounding medium. Hemicentrotus pulcherrimus (Echinoidea), Halocynthia roretzi 



(Ascidiacea), Oryzias latipes (Teleostei) 

 b Submicroscopic structure of the cortex and cortical alveoli of the unfertilized egg and the 



fertilization phenomena. Oryzias latipes (Teleostei) 

 HORIUCHI, S.; B.Sc. - Dept. of Biol., Coll. of Gen. Educ, Osaka Univ., Toyonaka, OSAKA, 560 



Japan 

 a Cell kinetics of developing digestive organs. Rhacophorus spec, Xenopus spec, Rana spec. 



(Anura) 

 HORSFALL, W. R.; Ph.D., Prof. - Dept. of Entomol., Univ. of IlUnois, 320 Morrill HaU, URBANA, 



61801, U.S.A. 

 HOSHINO, K.; M.D., Dr. Med. Sci., Prof. - Dept. of Anat., Univ. of Manitoba, 750 Bannatyne Ave., 



WINNIPEG, Man. R3E 0W3, Canada 

 a Development, growth, and teratogenesis of mammary glands after prenatal exposure to hormones 



and carcinogen. Mus musculus (Rodentia) 

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



animals. Same species as a 

 c Regeneration of transplanted mammary and salivary glands. Same species as a 

 d Structural and functional teratogenesis of mammary glands by glucocorticoids. Same species as a 

 HOSHINO, K.; M.D., D. Med. Sc, Assoc. Prof. - Dept. of Developm. Pathol., Res. Inst, of Environm. 



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

 a Morphogenesis of genetic microphthalmia. Mus musculus (Rodentia) (with Y. KAMEYANA and 



S. ODA) 

 b Autoradiography of the generation cycle in the neural cells of the embryonic brain. Same species 



as a 

 c Effects of low-dose .x-irradiation upon the developing brain. Same species as a (with Y. 



KAMEYAMA and Y. HAYASHI) 

 d Influences of intrauterine environment on the manifestation of genetic malformations. Same 



species as a (with Y. KAMEYAMA and S. ODA) 

 HOSICK, H. L.; Ph.D. - Dept. of Zool., Wash. State Univ., PULLMAN, WA 99163, U.S.A. 

 HOSTETLER, J. R.; Ph.D., Assoc. Prof. - Dept. of Anat., Ohio State Univ., 333 West 10th Ave., 



COLUMBUS, OH 43210, U.S.A. 

 a Effect of in vivo administration of pjiytohemagglutinin on fetal hemopoietic organs (light and 



electron microscopy). Oryctolagus cuniculus (Lagomorpha) 

 b Light and electron microscopic histochemical analysis of supporting tissues in areas of 



hemopoiesis in embryos. (Aves; Mammalia) 

 HOTTA, Y.; Ph.D. - Dept. of Biol., B-022, Univ. of Calif. San Diego, LA JOLLA, CA 92093, U.S.A. 

 a Regulation of DNA synthesis during meiotic development. Trilhum erectum, Lilium longitlorum, 



Tulipa gesncriana, Vicia faba, BellevaHa romana (Angiospermae) 

 b Cell transformation, especially of meiotic cells by biopolymer molecules in vitro. Lihum longitlo- 

 rum, Triticum aestivum (Angiospermae) 

 c Meiotic cell culture in vitro and the regulation of the meiotic process. Rattus spec. (Rodentia) 

 d Characterization of r-protein (meiotic DNA binding protein) and the localization in meiotic cells. 



Lilium longiflorum (Liliaceae), Rattus spec. (Rodentia) 

 e Mechanism of chromosomal condensation in meiotic cells in comparison with somatic ones. Same 



species as d 

 HOUGH (RAYMOND), Mrs. B.; Pli.D. - Div. of Biol., Cahf. Inst, of Teclmol., PASADENA, 



CA 91109, U.S.A. 

 a Molecular biology of oogenesis and early development, particularly gene activation. Ilyanassa 



obsoleta (Gastropoda), Strongylocentrotus purpuratus (Echinoidea). Engystomops pustulosus, 



Xenopus laevis (Anura) 

 HOWES, R. I.; D.D.S., Ph.D. - Dept. of Anat. Sci., Univ. of Oklahoma Health Sci. Ctr., P.O. 



Box 26901,OKLAHOMA-City, OK 73190, U.S.A. 

 a Histologic and morphogenic development of tooth crowns and roots (ectopic tooth transplants). 



Rana pipiens (Anura), Iguana iguana (Lacertilia), Heterodontis francisci (Elasmobranchii) and 



other lower Vertebrata 



40 



