HEUSER. C. H. F.I.I.E.. Prof. — Dept of Micr. Anat., Med. Coll. of 

 Georgia, AUGUSTA, Ga. U.S.A. 



a. The first three weeks of development (Horizons I to X). Homo (Pri- 

 mates) 



b. Development of the yolk sac. Homo (Primates) 



HIGHNAM. K. C. M.Sc. — Dept of Zool.. Univ. of Sheffield. SHEF- 

 FIELD, England (U.K.) 

 a. Influence of hormones on metamorphosis. (Lepidoptera) 



HILLEMANN, H. H. B.S., M.A., Ph.D. — Dept of Zool., Oregon State 

 Coll.. CORVALLIS, Ore., U.S.A. 



a. The primate placenta, comparative (other than man); histology, mor- 

 phology, histochemical stains, electron microscopy. (Primates) 



b. Studies on ovaries, reproductive tract, growth, development, placenta. 

 Chinchilla laniger (Rodentia) 



HILLER, S. M.D. — Inst, of Histol. and Embryol., Med. Acad., GDANSK. 



Poland 

 HINRICHSEN, K. Dr Med. — Anat. Inst, der Univ., Burgstr. 51. GoT- 



TINGEN, Deutschland 

 a. Histochemie von Entwicklungsprozessen, spez. Ribonucleinsaure (Extre- 



mitatenentwicklung, Zahnentwicklung). Mus musciilus (Rodentia) 

 HINTZSCHE. E. Dr Med., Prof. ord. — Anat. Inst.. Biihlstr. 26, BERN, 



Schweiz 



a. Anorganischer Stoffwechsel. Fermentchemische Untersuchungen. Homo 

 and other spp. (Mammalia) 



b. Experimentelle Studien iiber Zellvermehrung in Gewebekulturen. Ein- 

 wirkung fordernder und hemmender Substanzen. Homo (Primates) 



c. Wirkung der Rontgen- und Betatronbestrahlung auf Gewebekulturen. 

 Mus, Homo (Mammalia) 



HIPP, E. Dr Med. — Anat. Inst, der Univ. Miinchen, Pettenkoferstr. 11, 

 MUNCHEN 15, Deutschland 

 a. Die embryonale Entwicklung der Kniegelenkskorper. Homo (Primates) 



1. Die Hohenentwicklung des Condylus femoris et tibiae. 



2. Die Torsion der Tibia. 



HIRAIWA, Y. K. D.Sc. — Lab. of Zool., Fac. of Agric. Kyushu Univ.. 

 FUKUOKA, Japan 

 a. Studies on fertilization and reproduction. (Mammalia) 

 HIRATA. A. A. A.B., M.A. — Dept of Zool.. Univ. of Calif., LOS ANGE- 

 LES 24, Cal., U.S.A. 

 a. Stability of cellular particulates in developing tissues and in neoplasms. 

 Rattus (Rodentia) (in collaboration with A. M. SCHECHTMAN) 

 HISHIDA, T. M.A. — Biol. Inst., Fac. of Sci., Nagoya Univ., Chigusa-Ku. 

 NAGOYA, Japan 



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

 (in collaboration with E. NAKANO) 



b. Melanin formation in color phenotypes. Oryzias latipes (Teleostei) (in 

 collaboration with T. YAMAMOTO) 



c. Melanin formation. Rhacophorus schlegeli uar. arborea (Anura) (in col- 

 laboration with H. TOMITA) 



HJELMMAN, G. — Anat. Inst., Univ. of Helsinki, HELSINKI, Finland 

 (no embryological work in progress) 



47 



