HARRISON, R. J. M.A., D.Sc, M.D. — Anat. Dept.. London Hosp. Med. 

 Coll., Turner St., LONDON E. 1, England 



a. Fine structure of the placenta. (Mammalia) 



b. Growth and atresia of the ovarian follicles. (Mammalia) (in collabora- 

 tion with W. J. HAMILTON, Charing Cross Hosp. Med. School) 



c. Placentation and changes in reproductive tract. (Ceruidae; Phocidae) 

 HARTE, Miss C. Dr., Prof. — Inst, fur Entwicklungsphysiol., Univ. zu 



Koln, Gyrhofstr. 17, KOLN-Lindenthal, Deutsche Bundesrepublik 



a. Influence of genes on pollentube growth (certation) and embryosac 

 development. Oenothera spec. (Onagraceae), Antirrhinum spec. (Scro~ 

 phulariaceae) 



b. Action of lethal genes on embryos and endosperm. Oenothera spec. 

 (Onagraceae) 



c. Gene action in the development of leaves. Antirrhinum spec. (Scrophu- 

 lariaceae) 



HARTUNG, E. W. Ph.D. — Dept. of Zool., Univ. of Rhode Island, 

 KINGSTON, R.I., U.S.A. 

 a. Studies on homografting. (Amphibia) 

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

 KOLN-Lindenthal, Deutsche Bundesrepublik 

 a. Wirkungsmechanismus von Schilddrusenhormonen. 

 HARVEY, E. B. B.S., M.A., Ph.D. — Worcester Foundation for Exp. Biol., 

 222 Maple Avenue, SHREWSBURY, Mass., U.S.A. 

 a. Implantation, embryogenesis and irradiation. Mesocricetus auratus (Ro- 

 dentia) 

 HARVEY, Mrs. E. BROWNE A.B., M.A., Ph.D., Sc.D., F.I.I.E. — Marine 

 Biol. Lab., WOODS HOLE, Mass., U.S.A. 



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

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

 noidea) 



b. Book, 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 (Echi- 

 noidea) 



e. Prophase of the egg. Arbacia punctulata (Echinoidea) 



f. Study of crescent-shaped figure in the egg. Arbacia punctulata (Echi- 

 noidea) 



HASEGAWA, M. M.A. — Embryol. Div., Dept. of Anim. Husbandry, Fac. 

 of Agriculture, Nagoya Univ., ANJO-City, Japan 



a. Restitution of the eye after removal of the retina and lens. (Teleostei) 



b. Regeneration of the liver. Gallus domesticus (Aves) 



c. Regeneration of the retina in defect of the choroid. (Amphibia) 

 HAsEK, M. M.D., M.I.I.E. — Dept. of Exper. Biol, and Genet., Inst, of 



Biol., Czechoslovak Acad, of Sci., Na cvicisti 2, PRAHA 6, Czecho- 

 slovakia 



a. Experimental embryonic parabiosis. Gallus domesticus, Meleagris galli- 

 pavo, Anas platyrhynchus, Numida meleagris (Aves) 



b. Developmental immunology. (Aves; Mammalia) 



59 



