HEMPEL, G. Dr. — Inst, fur Fischereibiol. der Univ. Hamburg, Holsten- 

 wall 24, HAMBURG 36, Deutsche Bundesrepublik 

 a. Methods for breeding and rearing eggs and larvae. Clupea harengus 

 ( Teleostei) 



HENLEY, Miss C. M.A., Ph.D. — Dept. of Zool., Univ. of North Carolina, 

 CHAPEL HILL, N.C., U.S.A. 



a. Studies in experimental cytology. Polychoerus spec. (Acoela, Turbel- 

 laria) , Chaetopterus pergamentaceus (Polychaeta) (in collaboration with 

 D. P. COSTELLO) 



b. Effects of antimitotic agents on eggs. Chaetopterus pergamentaceus 

 (Polychaeta) (in collaboration with D. P. COSTELLO) 



HERLANT (MEEWIS), Mrs. H. Dr.Zool., Prof. — Lab. de Zool. syst. et 

 de Biol, anim., Fac. des Sci., Inst. Zool. Torley-Rousseau, Univ. libre 

 de Bruxelles, 50 Avenue F. D. Roosevelt, BRUXELLES, Belgique 



a. Influence du systeme nerveux dans la regeneration. Eisenia foetida (Oli- 

 gochaeta) 



b. Les cellules neurosecretrices et la reproduction sexuee. Eisenia foetida 

 (Oligochaeta) 



HERRMANN, H. M.D., M.I.I.E., Prof. — Dept. of Zool., Univ. of Con- 

 necticut, STORRS, Conn., U.S.A. 



a. Chemistry of muscle differentiation. Gallus spec. (Aves) 



b. Biochemical study of growth and differentiation of explanted embryos. 

 Gallus spec. (Aves) (in collaboration with N. W. KLEIN) 



c. Biochemical analysis of protein synthesis in cornea and sclera. Gallus 

 spec. (Aves) 



HESS, O. Dipl.Biol., Dr.rer.nat. — Stazione Zool., Villa Comunale, NAPO- 

 LI, Italia 



HESSELSJO, R. Med.lic. — Dept. of Anat., Univ. of Goteborg, GoTE- 

 BORG SV, Sweden 

 a. Derivation and development of prostatic utricle. Homo sapiens (Pri- 

 mates) 



HEUSER, C. H. F.I.I.E., Prof. — Eugene Talmadge Mem. Hosp., Med. 

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

 a. Survey of embryos of the first three weeks of development. Homo sapiens 

 (Primates) 



HICKS, S. P. B.A., M.D. — Lab. of Pathol., New England Deaconess Hosp. 

 & Harvard Med. School, 195 Pilgrim Road, BOSTON 15, Mass., U.S.A. 



a. Ionizing radiation as an extirpative tool in experimental embryology. 

 Rattus spec, Mus spec. (Rodentia) 



b. Reproducible abnormalities of brain, especially cortex, from ionizing 

 radiation during development. Rattus spec. (Rodentia) 



c. Tritiated thymidine as a means of labeling primitive cells in the develop- 

 ing cerebral cortex, thalamus, retina and cerebellum, in order to trace 

 their migrations and ultimate differentiation by radioautography. Rattus 

 spec. (Rodentia) 



d. Histogenesis of abnormalities in mutants affecting development of the 

 nervous system. Mus spec. (Rodentia) 



HIGHNAM, K. C. M.So, Ph.D. — Dept. of Zool., Univ. of Sheffield, 

 SHEFFIELD, England 



61 



