HARRISON. R. G. M.A., D.M. — Dept. of Anat.. Univ. of Liverpool. 



LIVERPOOL 3, England 

 a. Factors influencing the process of spermatogenesis. (Mammalia) 

 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. Structure of ovary in delayed implantation. (Carnivora) 



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

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



Gyrhofstr. 17, KOLN-Lindenthal, Deutsche Bundesrepublik 



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

 opment. Oenothera spec. (Onagraceae) , Antirrhinum spec. (Scrophula- 

 riaceae) 



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

 graceae) 



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

 riaceae) 



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

 KoLN-Lindenthal, Deutsche Bundesrepublik 

 a. Wirkungsmechanismus von Schilddriisenhormonen. 



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- 

 dent ia) 



HARVEY, Mrs. E. BROWNE A.B., M.A., Ph.D., Sc.D., F.I.I.E. (Emer.) 

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



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

 of Agriculture, Nagoya Univ., ANJO, 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, Czechoslo- 

 vakia 



HASHIMOTO, K. D.Sc. — Biol. Lab., Kozu High School, Tennoji-ku, 

 OSAKA, Japan 

 a. Mechanism of morphogenesis. Oxytricha fallax (Ciliata) 



HAUENSCHILD, C. Dr.rer.nat., Prof. — Zool. Inst, der Univ., Katharinen- 

 str. 20, FREIBURG i.Brsg., Deutsche Bundesrepublik 



a. Lunarperiodizitat, Neurosekretion, Metamorphose, Geschlechtsbestim- 

 mung. Platynereis dumerilii (Polychaeta errantia) 



b. I-Zellen, Entwicklung, Stockdifferenzierung. Campanularia johnstoni 

 (Hydroidea thecaphorae) 



HAUSCHTECK, Miss E. Dr.rer.nat. — Zool.-vergl.Anat. Inst., Naturwiss. 

 Fak., Univ. Zurich, Kiinstlergasse 16, ZURICH, Schweiz 



a. Chromosomal aberrations and their clinical pathology. Homo sapiens 

 (Primates) 



b. Chromosomes and sex determination. (Anura; Reptilia) 

 HAWKINS, N. M. — Section on Cell Biol, Ophthalmol. Branch, Nat. Inst, of 



Neurol. Diseases and Blindness, Nat. Insts. of Health, BETHESDA 14, 

 Md., U.S.A. 



69 



