b Changes in interaction between proteins and nucleic acid in the course of early development. 



Paracentcotus lividus, Psammcchinus miliacis (Echnoidea) 

 IMOH, H. M.Sc. — Dept. of Biol.. Fac. of Sci., Kyushu Univ., Hakozaki, FUKUOKA, 812. 



Japan 

 a Basic proteins in developing embryos. Triturus pyrrhogaster (Urodela) 

 h Changes in macromolecular synthesis and composition during primary induction. Triturus 



pyrrhogaster (Urodela) 

 INFANTE, A. A. Ph.D. — Dept. of Biol., Wesleyan Univ., MIDDLETOWN, Conn. 06457, 



U.S.A. 

 a Control of protein and nucleic acid synthesis during embryonic development (density 



gradient centrifugation, in vivo and in vitro protein synthesis, electrophoretic 



separations). Strong ylocenfrotus purpuratus, Lytechinus pictus (Echinoidea) 

 INDUE, S. Ph.D. — Lab. de Biol. Molec. Univ. de Montreal, B.P. 6128, MONTREAL, 



Que., Canada 

 a Morphological and biochemical studies of the fertilization membrane, treatment of the 



isolated membrane with enzymes and chemicals, electron microscopy. Strongylocentrotus 



purpuratus (Echinoidea) 

 b The fine structure of the egg surface membrane system (plasma and vitelhne membrane) 



and its changes after fertilization, studied on isolated membrane system and on embedded 



eggs. Arbacia punctulata, Strongylocentrotus purpuratus. (Echinoidea) 

 lOANNOU, J. M. Ph.D. — Dept. of Anat., School of Med., LEEDS LS2 9NL, England 

 a Fine structure and metabolic activity of oogonia and oocytes. Cavia cobaya (Rodentia) 

 h Fine structure of female germ cells. Meriones meriones (Rodentia) 



c Maturation of female germ cells in vitro. Cavia cobaya, Meriones meriones (Rodentia) 

 IRIE, R. B.S. — Natl. Inst, of Anim. Industry, CHIBA-shi, 280 Japan 

 a UV-resistance of transforming DNA in germinating spores. Bacillus subtilis (Bacteria) 

 ISHIDA, J. D.Sc, Prof. — Dept. of Biochem., Fac. of Sci. and Engin., Saitama Univ., 



Shimo-Okubo 255, URAWA-City, Japan o 



a Crystallization of hatching enzyme and its biosynthesis as a marker of cyto-differentiation. 



Oryzias latipes (Teleostei) 

 b Mode of action of hatching enzyme in blastulae. Hemicentrotus pulcherrimus (Echinoidea) 

 ISHIKAWA, M. D.Sc. — Marine Biol. Station, Nagoya Univ., Sugashima-cho, TOBA, 



Mie-ken, (517) Japan • 



a Physiological studies on fertilization and artificial parthenogenesis. Hemicentrotus puU 



cherrimus, Pseudocentrotus depressus (Echinoidea) (in collaboration with M. SUGIYAMA) 

 ISHIKAWA, T. Dr.Vet.Med., Prof. — Dept. of Vet. Obstet., Fac. of Vet. Med., Hokkaido 



Univ., N 18, W 9, SAPPORO, (060) Japan 

 a Cytogenetic investigation of congenital anomalies. Bos taurus (Artiodactyla) 

 ISHIZAKI, H. D.Sc. — Lab. of Developm. Biol., Zool. Inst., Fac. of Sci., Univ. of Kyoto, 



Kitashirakawa, Sakyo-ku, KYOTO, Japan 

 ISONO, N. Ph.D. — Embryol. Sect., Biol. Dept., Tokyo Metropolitan Univ., 2-1-1 chome, 



Fukazawa-machi, Setagaya-ku, TOKYO (158), Japan 

 a Carbohydrate metabolism of eggs. Hemicentrotus pulcherrimus (Echinoidea) 

 b Acid soluble nucleotides of eggs and sperm. Hemicentrotus pulcherrimus (Echinoidea) 

 ITO, I. M.D. — Natl. Cancer Centre Hosp., Tsukiji 5 chome, Chuoku, TOKYO, Japan 

 ITO, R. M.S. — Dept. of Anat., Fac. of Med., Tokyo Med. and Dental Univ., 1-5-47, 



Yushima, Bunkyo-ku, TOKYO, 113 Japan 

 a Mechanism of resorption of collagen fibres in the metamorphosing tadpole tail. Rana cates- 



beiana, R. japonica, Bufo vulgaris (Anura) 

 lUCIF, S. Ph.D. — Dept. de Morfol. Hum. Func. e Aplic, Fac. de Med. de Ribeirao Preto, 



Univ. de Sao Paulo, Caixa Postal 301, RIBEIRAO PRETO, S.P., Brazil 

 a Allometric growth of the skull and the dental arch. (Rodentia) 

 h Allometric growth of thyroidectomized animals. Rattus rattus (Rodentia) (in collaboration 



with A. R. CRUZ) 

 c Allometric growth of the eye in hemispherectomized animals. Rattus rattus (Rodentia) in 



collaboration with R. AZOUBEL and A. R. CRUZ) 

 d Effect of hemispherectomy on the thyroid gland. Rattus rattus (Rodentia) (in collaboration 



with R. AZOUBEL and A. R. CRUZ) 

 IVANOVA (KASAS), Mrs. O. M. Dr.biol.sci., Prof. — Dept. of Embryol., Leningrad 



Univ., Mendeleevsky St. 5, LENINGRAD B-164, U.S.S.R. 

 IVEMARK. B. I. M.D.. Prof. — Dept. of Pediat. Pathol., Karolinska Hosp., 10401 STOCK- 

 HOLM, Sweden 

 a Anatomy and pathology of the placenta (micro-angiography). Homo sapiens (Primates) 

 h Lipid histochemistry of the placenta in pathologic pregnancy. Homo sapiens (Primates) 

 c Fetal and neonatal immunity as reflected in the thymus and spleen (immunofluorescence). 



Homo sapiens (Primates) 

 IVERSON, R. M. Ph.D., Prof. — Dept. of Biol., Univ. of Miami, CORAL GABLES, Fla. 



33124, U.S.A. 

 a Nucleic acids during development. Lytechinus variegatus (Echinoidea) 



83 



