• OKAZAKI, Miss K. D.Sc. — Embryol. Section, Biol. Dept., Fac. of Sci., Tokyo Metropol- 



itan Univ., 950 1-chome, Fukaza-machi, Setagaya-ku, TOKYO, Japan 

 a Mechanism of spicule formation. (EchinoideaJ 

 b Myogenesis. (Aucs; Mammalia) 

 OKAZAKI, T. M.D. — Dept. of Biochem., Nippon Med. School, Sendagi 1-1-5, Bunkyo-ku, 



TOKYO, Japan 

 a Genetic control of hemoglobin switch during metamorphosis. Rana catesbeiana (Anura) 



(in collaboration with A. KAJITA and R. SHUKUYA) 

 b Change of isozyme patterns during metamorphosis. Rana catesbeiana (Anura) (in col- 

 laboration with A. KAJITA and R. SHUKUYA) 

 OKSCHE, A. Dr.med., Prof . — Anat. Inst, der Univ. Giessen, Friedrichstr. 24, GIESSEN, 



Deutsche Bundesrepublik 

 a Vergleichende Studien iiber die Entwicklung, cytologische Differenzierung, Cytodynamik 



und Funktion der Epiphyse und des Subcommissuralorgans; Potenzen des Neuralrohre- 



pithels und ihre Realisierung. Typische Vertreter aller Klassen. (Vertebrata) 

 OLDFIELD (WHITEHEAD), Mrs. E. Ph.D. — Science Dept., Coombe Second. School for 



Girls, Clarence Ave., NEW MALDEN, Surrey, England 

 OLIVER, C. P. Ph.D., Prof. — Dept. of ZooL, Univ. of Texas, AUSTIN, Tex. 78712, 



U.S.A. 

 a Enzymic control of development. Drosophila melanogaster (Diptera) 

 OLIVEREAU, Miss M. M. A. Dr.es Sci. — Lab. de Physiol, Inst. Oceanographique, 195 



Rue St. Jacques, PARIS Ve, France 

 a Cytology and histochemistry of endocrine glands in relation with development, and after 



various experimental procedures. (Salmonidae) 

 h Study of pituitary grafting. Mollienesia Formosa (Cyprinodontidae) 

 c Histophysiology of endocrine glands. Anguilla anguilla (Anguillidae) 

 d Hypophyseal-adrenocortical relationships, with chemical inhibitors, using histological 



techniques. (Salmonidae, Anguillidae, Poecilia) 

 e Histophysiology of the pituitary gland in immature and mature animals, in correlation 



with osmoregulatory processes. Mugil auratus (Teleostei) 



• OLIVO, O. M. Prof. — 1st. di Anat. Umana Norm., Univ. di Bologna, Via Irnerio 48, 



BOLOGNA, Italia 

 OOISHI, Miss S. D.Sc — Zool. Inst., Fac. of Fish., Pref. Univ. of Mie, 11, Ootanicho, 



TSU, Mie Pref., Japan 

 a Postembryonic development. (Notodelphyidae. Copepoda) 



• OPPENHEIMER, Miss J. M. Ph.D., Prof. — Dept. of Biol., Bryn Mawr Coll., BRYN 



MAWR, Pa. 19010, U.S.A. 

 a Grafting of reaggregated cells from portions of the embryonic shield. Fundulus hetecoclitus 



(Teleostei) 

 b Characterization of phospholipids in the developing nervous system. Fundulus heteroclitus 



( Teleostei) 



• ORAHILLY, R. M.D., Prof. — Dept. of Anat., School of Med., Saint Louis Univ., 1402 



South Grand Blvd., ST LOUIS, Mo. 63104, U.S.A. 

 a Early development (horizons I to IX). Homo sapiens (Primates) 

 ORGEBIN (CRIST), Mrs. M. C. D.Univ.Lyon — Dept. of Obstetrics and Gynecol., Vander- 



bilt Univ. School of Med., NASHVILLE, Tenn. 37203, U.S.A. 

 a Physiology of sperm transport and maturation in the male. (Mammalia) 

 ORLOVA, Mrs. I. I. Cand.biol.sci. — Inst, of Exper. Biol., Acad, of Med. Sci. of the 



U.S.S.R,, Baltiyskaya St. 8, MOSCOW A-315, U.S.S.R. 

 a Study of proliferation processes in the organs and organ primordia of embryos. Gallus 



domesticus (Aves), Mus musculus (Rodentia) 

 b Cell degeneration during embryogenesis. Rattus norvegicus (Rodentia) 

 o ORSINI, Mrs. M. C. WARD Ph.D. — Dept. of Anat., Bardeen Med. Labs., Univ. of 



Wisconsin, MADISON, Wis. 53706, U.S.A. 

 a Fetal membranes, giant cells and pregnancy changes in uterine vessels. Mesocricetus 



auratus (Rodentia) 

 b Factors controlling implantation and loss of zona pellucida. Mesocricetus auratus, Rattus 



norvegicus, Mus musculus, Cavia porcellus, Mustela putorius, M. vison (Mammalia) 

 c Decidualization during pregnancy and pseudopregnancy. Mesocricetus auratus, Rattus 



norvegicus, Mus musculus, Cavia porcellus, Mustela putorius, M. vison (Mammalia) 

 d Factors controlling life of corpora lutea. Mesocricetus auratus (Rodentia) 

 ORTOLANI, Miss G. Dr.Sc — 1st. di Zool.. Univ. di Palermo, Via Archirafi 18, 90123 



PALERMO, Italia 

 a Embryology. (Ctenophota) 

 b Transplantation of nuclei. (Amphibia) 



« ORTS LLORCA. F. Prof. — Dept. Anat.. Fac. de Med., Ciudad Univ.. MADRID, Spain 

 OSTEEN, W. K. Ph.D.. Prof. — Dept. of Anat.. Med. Branch, Univ. of Texas. 



GALVESTON, Tex.. U.S.A. 



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