b Metamorphosis. Halocynthia roretzi, Chelyosoma siboya, Ciena intestinalis(Tunicata) 



c Isolation of centrioles from sperm, and their behaviour m fertihzed and activated eggs. 



Hemicentrotus pulchcrrimus (Echinoidea) ., ^ „ , , ,, ,, • xt i o w o 



ISHIKAVVA, T.; D.V.M., Prof. - Dept. of Vet. Obstet., 1-ac. ot Vet. Med., Hokkaido Univ., N 18, W 9, 



SAPPORO, 060 Japan 

 a Cytogencticsof congenital anomalies. Cow . , , v, , • i^-* u; 



ISHIMODA-TAKAGI, T.; D.Sc. - Dept. of Biol., Tokyo Gakugei Univ., 4-1-1, Nukui Kita-machi, 



Koganei, TOKYO, 184 Japan , /, * u . 



a Comparative biochemistry of tropomyosin from adult and embryonic muscles. (Invertebrata, 



b hnmunology and biochemistry of tropomyosin from eggs. Anthocidaris crassispina, Pseudocen- 



trotus depressus, Hemicentrotus pulchcrrimus (Echinoidea) 

 ISHIZAKl H.; D.Sc. - Dept. of Biol., Nagoya Univ., Chikusa, NAGOYA, 464 Japan 

 a Circadian rhythm in ecdysone release from prothoracic glands., part, neuroendocrine and/or 



neurotransmitter mediation. Samia cynthia ricini (Lepidoptera) 

 b Purification of prothoracicotropic hormone. Bomby.x mori (Lepidoptera) 

 ISONO, N.;Ph.D. - Dept. of Biol., Keio Univ., 4-1-1 Hiyoshi, YOKOHAMA 223, Japan 

 lUCHl, I.; D.Sc. - Zool. Inst., Univ. of Tokyo, Hongo, Bunkyo-ku, TOKYO, 113 Japan 

 a Ontogeny of hemoglobins in embryos and larvae. Salmo gahdneri (= irideus) (Teleostei) 

 b Mechanism of hatching. Same species as a and Oryzias latipes (Teleostei) 



lUClE, S.; Ph.D. Dept. of Morphol., Univ. of Sao Paulo, P.O.B. 301, 14.100 RIBEIRAO PRETO, 

 S.P., Brazil ,, xn,x/A 



IWAMATSU, T.; Ph.D., Prof. - Dept. of Biol., Aichi Univ. of Educ, 1-Hirosawa, Igaya-cho, KARIYA, 



Aichi Pref., 448 Japan 

 a Tlie acquisition of developmental capacity by the oocyte during maturation in vitro. Oryzias 



latipes (Teleostei) 

 b Differentiation of primordial germ cells implanted into the eye cavity of castrated adults, bame 



species as a 

 c Morphological and functional changes of mitochondria during oocyte maturation. Misgurnus 



anguilUcaudatus, Oryzias latipes (Teleostei) 

 d Mechanism of ovulation. Same species as c 



IWASA, K.; D.Sc. - Dept. of Biol., Coll. of Gen. Educ, Osaka Univ., Toyonaka, OSAKA, 560 Japan 

 a Comparative morphology and biochemistry of cell wall and jelly coat. Chlamydomonas reinhardi, 

 Volvox aureus, V. carteri (Volvocales, Chlorophyceae), Navicula pelliculosa, Phaeodactylum 

 tricornutum (Diatonieae) 

 b Physiology and biochemistry of development and differentiation of unicellular and coenobial 

 forms. Chlamydomonas reinhardi, Eudorina elegans, Volvo.x aureus, V. carteri (Volvocales, 

 Chlorophyceae), Phaeodactylum tricornutum (Diatonieae) 

 c Comparative morphology, biochemistry and behavioral biology from the viewpoints of develop- 

 ment, sexuality and phylogeny. Chlamydomonas spec, Haeniatococcus spec, Gonium spec, 

 Pandorina spec, Eudorina spec, Pleodorina spec, Volvox spec, (Volvocales, Chlorophyceae) 

 IWASAKI, T.; Ph.D. - Div. of Biol., Natl. Inst, of Radiol. Sci., 9-1, Anagawa-4-chome, CHIBA, 



260 Japan 

 a Effects of ionising radiation on oogenesis and embryonic development (cytology). Artemia salina 



(Anostraca, Crustacea) 

 IWASAWA, H.; D.Sc, Prof. - Biol. Inst., Fac of Sci., Niigata Univ., NIIGATA, 950-21 Japan 

 a Embryological study on endocrine correlation. (Amphibia) 

 b Comparative embryology of reproductive organs. (Anura; Urodela) 

 c Mechanism of sex differentiation (electron microscopy, organ culture). Rana spp., Xenopus laevis 



(Anura) „^„ , 



IWATA, F.; D.Sc, Prof. - Zool. Inst., Fac. of Sci., Hokkaido Univ., N.IO, W.8, SAPPORO, 060 Japan 

 a Comparative embryology, especially taxonomic interrelationships. (Nemertina) 

 b Development and regeneration. Lineus vegitus (Nemertina) 



c Comparative embryology. Cladonema uchidai, Plumularia undulata (Hydroidea, Hydrozoa), 

 Notoplana humilis (Polycladida, Turbellaria), Pugettia quadridens. Cancer amphioetus, 

 (Brachyura, Decapoda, Crustacea) 

 IYER, R. D.; Ph.D. - Div. of Genet., Centr. Plantation Crops Res. Inst., KASARAGOD-670124, 



IZAIKE, Y.; BVS - Livestock Div., Chugoku Nat. Agric Exp. Stat., Kawai-cho, OODA-shi, 694-01 



Japan 

 a Development and aging of placenta (DNA synthesis, mitosis, histochemistry). Cow 

 b Implantation and lost implantation (uterine pregnancy preparation). Cow 

 c Uterine environment for development of fertihsed ova. Cow 

 d Relationship between fetal development and alpha-fetoprotein level in amniotic and allantoic 



fluid. Cow (with A. OKANO) 

 IZAWA, K.; B.Fish. - Fac. of Fish., Mie Univ., 2-80 Edobashi, TSU, Mie Pref. 514, Japan 

 a Postembryonic development: nauplius, copepodid and chalimus stages. (Cyclopoida & Caligoida 



& Lerneopodoida: Copepoda, Crustacea) 

 IZZARD C. S.; Ph.D. - Dept. of Biol. Sci., State Univ. of New York, 1400 Washington Ave., 



ALBANY, NY 12222, USA , u • . r r 



a Motility in fibroblast-like cells and its role in morphogenesis (critical optical techniques); role ol 



substrate adhesions, contractile proteins and calcium. Xenopus laevis (Anura), Chicken, Mouse 



41 



