Harrison ^^ 



f. Distribution of rad.o-potass.um in placenta and uterus. (Rodentia and 



Carnivora) „. ^ , o r t j 



HARRISON MATTHEWS. L. D.Sc — do The Zool. See. of London. 

 LONDON, England (U.K.) ,„ . ^. j r- ■ i 



a. Changes in reproductive tract and placenta. (Pinmpedia and Carnivora) 

 (in collaboration with R. J. HARRISON) 



HARTUNG E W. Ph.D. (Harvard Univ.), Assoc. Prof. — Dept of 

 Zool., Univ. of Rhode Island. KINGSTON, R.I., U.S.A. 

 a Factors influencing tumor incidence. A study of the developmental, 

 environmental and genetic factors operative in the development of so- 

 called ..melanin tumors". Drosophila melanog aster (Diptera) 



HARTWIG, H. Dr Phil. — Zool. Inst, der Univ. Koln, Kerpenerstr. 13, 

 KOLN-LINDENTHAL. Deutschland 

 (no data received on Nov. 1^', 1953) 



HARVEY Mrs E. BROWNE F.I. I.E., A.B., M.A.. Ph.D. — Dept of Biol., 

 Princeton Univ.. PRINCETON. N.J.. U.S.A. 



a. Centrifuging eggs, and development of fractions obtained by centrifugal 

 force. Parthenogenetic merogony or development without nuclei. (Echino- 

 dermata) 



b. Monograph, including classified compilation of all experimental work. 

 Arbacia punctulata (Echinoidea) 



c. Moving pictures of metamorphosis and of the natural history (in color). 

 Arbacia punctulata (Echinoidea) 



d. Determination of sex by electrical method. Arbacia punctulata (Echinoi- 

 dea) 



HARVEY, E. B. B.S.. M.A. — Dept of Zool., Univ. of Cahf.. BERKELEY 

 4. Cal.. U.S.A. 

 a. Placentation. Ochotonidae and Aplodontidae (Rodentia) 

 HAYASHI. Y. M.A. (Rigakushi) — Biol. Inst.. Fac. of Sci.. Nagoya Univ., 

 Chigusa-Ku, NAGOYA, Japan 

 a. Regional induction through heterogeneous inductors. Triturus pyrrho- 



gaster (Amphibia) 

 h. Biochemical and histological studies of oogenesis. Triturus pyrrhogastcr 

 (Amphibia) (in collaboration with S. OSAWA) 

 HEATH. H.D. Ph.D. — Dept of Biol. Sci., Stanford Univ.. STANFORD, 

 Cal.. U.S.A. 



a. Blastema formation in limb regeneration. (Amphibia) 



b. Size-regulation in grafted eyes. (Amphibia) 



HEAYSMAN. Miss J. E. M. B.Sc. Ph.D. — Dept of Embryol.. Univ. 

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

 a. Cinematographic study of cell relations in tissue culture. Gallus domes- 

 ticus (Arcs) (in collaboration with M. ABERCROMBIE) 



HECKERMAN. R. O. M.S. — Univ. of Pittsburgh, PITTSBURGH, Pa, 

 U.S.A. (no data received over some -years) 



HEILBRUNN. L. V. Ph.D., Prof. — Dept of Zool., Univ. of Pennsylvania. 

 PHILADELPHIA 4, Pa. U.S.A. 

 (no data received over some years) 



HEIM. W. G. A.B.. M.S. — Dept of Zool.. Univ. of Cahf.. LOS ANGE- 

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

 a. Electrophoresis of serum of developing embryo. Gallus domesticus (Aves) 



