Has-Hig 



HASSA, O. Med.Veter.Dr. — Inst, of Histol. and Embryol., Veter. Coll. of 

 the Univ., ANKARA, Turkey 

 (no embryological work in progress) 



HATHAWAY, R. — Oceanographic Inst., Florida State Univ., TALLAHAS- 

 SEE, Florida, U.S.A. 



HAUENSCHILD, C. Dr.rer.nat., Prof. — Zool. Inst, der Univ., Katharinen- 

 str. 20, FREIBURG i. Brsg., Deutsche Bundesrepublik 



a. Lunarperiodizitat, Neurosekretion, Metamorphose, Geschlechtsbestim- 

 mung. Platynereis dumerilii (Polychaeta errantia) 



b. I-Zellen, Entwicklung, Stockdifferenzierung. Campanularia johnstoni 

 (Hydroidea Thecaphorae) 



HAY, Miss D. Lie. es Sci. — Lab. de Zool. et d'Embryol. exper., Inst, de 

 Zool. et de Biol, gener., 12 Rue de l'Universite, STRASBOURG, France 



a. Etude de l'entree en jeu des correlations hypophyso-thyroidiennes. Rana 

 temporaria, Tritwus cristatus (Amphibia) 



b. Morphogenese et physiologie embryonnaire des glandes endocrines. 

 ( Aves; Mammalia) 



HAY, Miss E. D. A.B., M.D. — Dept. of Anat, Harvard Med. School, 

 BOSTON 15, Mass., U.S.A. 



a. Fine structure of differentiating muscle. 



b. Fine structure of differentiating cilia. 



c. Autoradiographic studies of regeneration. 



HAYASHI, Y. D.Sc, M.I.I.E. — Biol. Inst., Fac. of Sci., Nagoya Univ., 

 Chikusa-ku, NAGOYA, Japan 



a. Analysis of protein synthesis in developing tissues. Gallus spec. (Aves) 



b. Biochemical analysis of muscle differentiation. Tritwus pyrrhogastet 

 (Urodela), Gallus spec. (Aves) 



HAYEK, H. Dr.med., Dr.phil., M.I.I.E., Prof. — Anat. Inst., Wahringerstr. 



13, WIEN 9, Oesterreich 

 a. Development of urogenital system, especially mesonephros and cloaca. 



Homo sapiens (Primates) 

 HEATH, H. D. Ph.D. — Dept. of Biol. Sci., Alameda State Coll., 22300 



Foothill Bd., HAYWARD, Cal., U.S.A. 



a. Growth of larvally transplanted organs. Ambystoma tigrinum (Urodela) 



b. Developmental phenomena. Hydra littoralis (Hydroidea) 

 HECKERMAN, R. O. B.S., M.S., Ph.D., Prof. — Dept. of Biol. Sci., Quincy 



Coll., QUINCY, 111., U.S.A. 

 a. Cytology of ageing. Mus musculus (Rodentia) 



f HEILBRUNN, L. V. Ph.D., Prof. — Dept. of Zool., Univ. of Pennsyl- 

 vania, PHILADELPHIA 4, Pa., U.S.A. 

 (deceased) 



HEIM, W. G. A.B., M.A., Ph.D. — Dept. of Biol., Wayne State Univ., 

 DETROIT 2, Mich., U.S.A. 



a. Role of catalase in growth and neoplasia. Mus musculus, Mus rattus 

 (Rodentia) 



b. Serum proteins during ontogeny. Gallus domesticus (Aves), Mus rattus 

 (Rodentia) 



HEMMINGS, W. A. B.A. — Agr. Res. Council Unit of Embryol., Dept. of 

 Zool., Univ. Coll. of North Wales, BANGOR, Caernarvonshire, Wales 

 a. Immunological relations of mother and fetus. (Mammalia) 



60 



