Hcrtig ^-1 "'" 



a. Development of ova from fertilization to 14 days (first missed menstrual 

 period). Homo (Primates) (in collaboration with J. ROCK, W. J. MUL- 

 LIGAN and Eleanor C. ADAMS) 

 HEIISER 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) 



HEYN. C. B. M.B. — Anat.-Embryol. Lab. of the Univ., Fac. of Med., 

 Wasscnaarscwcg. Boerhaavekwartier, LEIDEN, Holland 

 (no data received over some years) 



HEYNINGEN. Miss H. E. van B.Sc. — Zool. Lab. der Rijks Univ., Jans- 

 kerkhof 3. UTRECHT, Holland 

 a. Analysis of lithium action. Limnaea stagnalis (Gastropoda) (in colla- 

 boration with Miss C. DINGER, W. J. van DONGEN, B. de GROOT, 

 C. R. I ANSSEN and Chr. P. RAVEN ) 



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

 FIELD. England (U.K.) 

 a. Influence of hormones on metamorphosis. (Lepidoptera) 



HILL, J. P. F.I. I.E., F.R.S., Prof. (Emer.) — Dept of Embryol.. Univ. Coll. 

 London, Gower St, LONDON W.C. 1, England (U.K.), Private 

 addr.: ..Kanimbla", Dollis Ave, Finchley, LONDON N. 3, England 

 (U.K.) 



a. Studies in development, especially placentation. (Mammalia) 



b. Development of neural crest. (Aues and Mammalia) 

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



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



a. The pattern of circulation in the placenta. Mesocricetus autatus (Ro- 

 dcntia) 



b. Ossification and calcification from postnatal day 8 to the adult condition. 

 Mesocricetus aiiratus (Rodentia) 



c. Flame photometric analysis for Na, K and Ca from birth to the adult 

 condition. Mesocn'cefiis auratus (Rodentia) 



d. Glycogen studies in the fetal liver (and other tissues). Mesocricetus 

 auratus (Rodentia) 



e. The use of organic chelating agents in the histological study of bone and 

 teeth. Cavia porcellata (Rodentia) 



f. The histology of the isthmus and uterus in relation to egg shape and 

 egg rotation. Gallus domesticus (Aves) 



g. The differentiation of the cerebellum following experimental lesions to 

 the metencephalon. Gallus domesticus (Aves) 



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

 Poland (no data received over some years) 



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

 Schweiz 



a. Anorganischer Stoffwechscl, Fermentchemische Untersuchungen. Homo 

 and other spec. (Mammalia) 



b. Experimcntelle Studien iibcr Zellvermehrung in Gewebekulturen. Ein- 

 wirkung fordernder und hemmender Substanzen. Gallus (Aves), Orycto- 

 lagus cuniculus (Lagomorpha) . Homo (Primates) 



