a. Metabolism of purine derivatives during metamorphosis. Chilo suppres- 

 salis, Bombyx mod (Lepidoptera) ^^ ^. , 



HISAOKA K K. B.Sc. M.Sc Ph.D. — Res. Grants Sect.. NIDR. Natl. 

 Insts. of Health, BETHESDA. Md. 20014. U.S.A. 

 (no embryological work in progress) 

 HISHIDA, T. D.Sc. — Biol. Inst.. Fac. of Sci.. Nagoya Univ.. Chikusa-ku, 

 NAGOYA, Japan 

 a. Metabolic analysis of early development. Oryzias latipes (Teleostei) 

 h. Physiological study of sex differentiation. Oryzias latipes (Teleostei) 

 HITZEMAN. Sister J. W. Ph.D. — Div. of Nat.Sci.. Siena Heights Coll.. 

 ADRIAN. Mich.. U.S.A. 

 a. Distribution and activity of enzymes associated with metabolism and 

 steroidogenesis in the Leydig cells of the testis. Mits musculus (Roden- 

 tia) 

 HOADLEY. L. A.B.. A.M.(Hons.), Ph.D., M.I.I.E.. Prof.{Emer.) — Biol. 



Lab.. Harvard Univ.. Divinity Ave.. CAMBRIDGE 38, Mass.. U.S.A. 

 HOAR. R. M.. Ph.D. — Dept. of Anat.. Coll. of Med.. Univ. of Cincinnati. 

 Eden Avenue. CINCINNATI 19. Ohio. U.S.A. 

 a. Study of the teratogenic effects of the reproductive endocrines with 

 particular reference to the adrenocorticoids. Cavia cobaya (Rodentia) 

 HOBBS. M. J. B.A. — Dept. of Zool.. Kinq's Coll. London, Strand, LON- 

 DON W. C. 2. England 

 a. Differentiation in colonial forms. Pleodorina spp. ("Vo/cocaceae, Algae) 

 HOEFSMIT, Miss E. C. M. Med.Drs. — Anat.-Embryol. Lab.. Fac. of Med.. 

 State Univ. of Leiden, Wassenaarsewec], Boerhaavekwartier, LEIDEN, 

 Netherlands 

 HOFMAN. Miss L. M.Sc. — Inst, of Biol.. Fac of Med.. ZAGREB. 

 Salata, Yugoslavia 

 a. Relative growth of organs in the embrvo. Ratttts norvecjicus alhinus 

 (Rodentia) (in collaboration with N. SKREB) 

 HOHL, H. R. Ph D. — Pacific Biomedical Research Center. 2538 the Mall. 

 Univ. of Hawaii, HONOLULU. Hawaii 96822. U.S.A. 

 a. Submicroscopic morphogenesis. Dictnosfelium discoideum (Acrasiales) 

 HOLLANDER, W, F, B.A.. M.S.. Ph.D. — Dept. of Genet.. Iowa State 



Univ.. AMES. Iowa, U.S.A. 

 HOLM. K. A. Fil.Dr. — Zool. Inst.. Univ. of Uppsala. UPPSALA. 

 a. Experimental investigation of the embryo (Determination, prospective 

 significance of embryonic areas). (Araneae, Arachnoidea) 

 HOLSTEIN. A.-F. Dr.med. — Anat. Inst, der Univ.. Univ.-Krankenhaus 

 EDDPndorf, Martinistr. 52. HAMBURG 70 Deutsche Bundesrepnblik 



a. Elektronenmikroskopische Untersuchungen am Spermatozoon. DideU 

 phys virginiana (Marsupialia) 



b. Untersuchunaen zur Funktion des Nebenhodens. (Mammalia) 

 HOLTER. H. Ph.D.. M.I.I.E. — Dept. of Phvsiol.. Carlsberg Lab.. 10 Gl. 



Carlsberqvej, COPENHAGEN, Valbv. Denmark 

 HOLTFRETER, J. K. F. Ph.D.. M.I.I.E.. Prof. — Dept. of Biol.. Coll. of 



Arts and Sci., Univ. of Rochester, ROCHESTER, N.Y. 14627. U.S.A. 

 a. Embryological-cytological studies on muscle development. (Vertebrata) 

 h. Comparative studies on the locomotion and streaming of embryonic and 



other amoeboid cells. (Vertebrata) 



91 



