b Quantitative and qualitative changes of amino acids during development of the embryo. 



Hemicentrotus pulcherrimus, Anthocidaris crassispina, Pseudocentrotus depressus (Echinoidea) 

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

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

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

 lUCIF, S.; Ph.D. - Dept. of Morphol., Univ. of Sao Paulo, P.O.B. 301, 14.100 RIBEIRAO PRETQ, 



S.P., Brazil 

 a AUometry and morphology of postnatal animals, treated with excess vitamin A. Rattus spec. 



(Rodcntia) 

 b AUometry of dental arch under hydrocortisone treatment. Same species as a 

 c Lacrimal and Harderian glands under treatment with excess vitamin A. Same species as a 

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



448 Japan 

 a The 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. Same 



species as a 

 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. Clilamydomonas reinhardi, 



Volvox aureus, V. carteri (Chlorophyceae), Navicula pelUculosa, Phaeodactylum tricornutum 



(Diatomeae) 

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



forms, clilamydomonas reinhardi, Eudorina elegans, Volvox aureus, V. carteri (Chlorophyceae), 



Phaeodactylum tricornutum (Diatomeae) 

 IWASAKI, T.; Ph.D. - Div. of Biol., Natl. Inst, of Radiol. Sci., 9-1, 4-chome, Anagawa, CHIBA, 280 



Japan 

 a Effects of ionizing radiations on oogenesis and embryonic development (cytology). Artem.ia 



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, P.; 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. Notoplana humihs (Polycladida, Turbellaria), Pugettia quadridens 



(Brachyura, Decapoda, Crustacea) 

 IYER, R. D.;M.Sc. - Div. of Genet., Indian Ai;ric Res. Inst., NEW DELHI-11001 2, India 

 IZAIKE, Y.; BVS - Natl. Inst, of Anim. Industry, CHIBA, 280 Japan 

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



(Rodentia), Oryctolagus cuniculus (Lagomorpha), Bos taurus, Capra hircus, Sus scrofa 



domesticus (Artiodactyla) (with T. SUGA) 

 b Implantation and lost implantation (uterine pregnancy preparation). Same species as a (with T. 



SUGA) 

 c Fructose formation in embryo, chorion, and placenta. Capra liircus. Bos taurus (Artiodactyla) 



(with T. SUGA) 

 d Uterine environment for development of fertilized ova. Same species as c (with T. SUGA) 

 IZAWA, K.; B.Fish. - Fac. of Fish., Mie Univ., Edobaslii, TSU, Mie, 514 Japan 

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



ALBANY, NY 12222, U.S.A. 

 a Asexual reproduction, especially morphogenesis and ultrastructure. Botryllus schlosseri 



(Ascidiacea) 

 b Motihty in fibroblast-hke cells and its role in morphogenesis (critical optical techniques). 



Xenopus laevis (Anura), Gallus domesticus (Aves), Mus musculus (Rodentia) 

 JACOBSON, A. G.; Ph.D., Prof. - Dept. of Zool., Univ. of Texas, AUSTIN, TX 78712, U.S.A. 

 a Experiments on the development of the hypothalamus-adenohypophysis complex and its role in 



reproduction. Gallus domesticus (Aves), Taricha torosa, Ambystoma mexicanum (Urodela) 

 b Somite, notochord, and neural plate determination and morphogenesis; ultrastructural, cinema- 

 tographic and experunental analysis. Same species as a 

 c Form changes in coherent sheets of cells mediated by programmed cell-shape changes (eye, early 



embryonic germ layers, extra-embryonic membranes). Same species as a 

 d Shaping of the early brain. Gallus domesticus (Aves) 

 JACOBSON, M.; Ph.D., Prof. - Dept. of Physiol, and Biophys., Univ. of Miami Sch. of Med., P. O. 



Box 520875, MIAMI, FL 33152, U.S.A. 

 JAFFE, L. F.; Ph.D., Prof. - Dept. of Biol. Sci., Purdue Univ., WEST LAFAYETTE, IN 47907, 



U.S.A. 

 a Transcellular developmental currents and ion fluxes through developing cells (vibrating probe 



detecting nanovolt differences). Fucus furcatus, Pelvetia fastigiata (Phaeophyta), Lihum spec. 

 (LiUaceae) 

 b Ionic gradients during development (autoradiography). Same species as a 

 c Free calcium changes during early development (aequorin). Oryzias latipes (Teleostei) 

 d Nature and role of endogenous electrical currents through regenerating systems. Rana pipiens, 

 Triturus viridescens, Xenopus laevis (Anura) 



43 



