j-j e j 41 Herrmann 



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

 PHILADELPHIA 4, Pa, U.S.A. 

 (no data received over this year) 

 HEIMANN, H. Dr Med. — Hirnanat. Inst, der Psychiatr. Univ.-klinik, 

 Med. Fak., Waldau, BERN, Schweiz. 

 a. Endhirnentwicklung. (Teleostier) 

 HEMMINGS, W. A. B.A. — Dept of Zool., Univ. Coll. of N. Wales, 

 BANGOR, Caernarvonshire, Great Britain, 

 a. Study of the immunological relations of mother and foetus in mammals. 

 HENDERSON, Miss M. B.Sc. — Dept of Zool., Univ. Coll. of N. Wales, 

 BANGOR, Caernarvonshire, Great Britain, 

 a. Immunological relations of mother and young in mammals. Rabbit 

 HENKE, K. Dr Phil., Prof. — Zool. Inst, der Univ. Gottingen, Mathem.- 

 Naturw. Fak., Nikolausbergerweg 75, G6TTINGEN, Deutschland. 

 a. Embryonale und post-embryonale Entwicklungsgeschichte, Entwicklungs- 

 physiologie und Genetik bei Insekten und Vogel. (mit Mitarbeitern) 

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

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



a. An investigation of the cytological and morphological effects of low 

 temperature on fertilized eggs of the annelid, Chaetopterus pergamen- 

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



b. Studies on the effects of radioactive phosphorus on mitosis in epithelial 

 cells of Ambly stoma punctatum larvae. (Amphibia) (in collaboration 

 with D. P. COSTELLO) 



HERLANT— MEEWIS, Mme H. Dr Zool. — Lab. de Zool., Fac. des Sci., 

 Inst, de Zool. Torley-Rousseau, Univ. libre de Bruxelles, 50, Av. F. D. 

 Roosevelt, BRUXELLES, Belgique. 



a. Etude des lois de la scissiparite chez les Aeolosomatidae (Oligochetes 

 limicoles) 



b. Etude histochimique et histophysiologique de la scissiparite chez les 

 Aeolosomatidae. Influence des facteurs externes et internes. Action des 

 substances de croissance: vitamines acides amines. (Oligochetes) 



c. L'enkystement chez les Aeolosomatidae. Etude histochimique et histo- 

 physiologique du phenomene d'enkystement observe au Canada chez 

 differents Aeolosomatidae. (Oligochetes) 



d. Etude des elements regenerateurs lors de la scissiparite et de la regene- 

 ration experimentale chez les Oligochetes. 



e. La regeneration experimentale du germen chez Lumbricillus lineatus 

 (Enchytraeidae) Formation du germen a partir du soma, lors de la 

 regeneration des Oligochetes. 



f. La gemmulation chez Suberites domuncula (Spongiaires) . Les gemmules 

 surtout caracteristiques des eponges d'eau douce, sont etudiees ici chez 

 une forme marine. 



HERRICK, Ch. J. Dr, Prof. (Emer.) — Univ. of Chicago, 236, Morning 



Side Drive, GRAND RAPIDS 6, Mich., U.S.A. 

 HERRMANN, H. Dr, Prof. — Univ. of Colorado, Med. Center, Dept of 



Pediatrics, 4200 east Ninth Ave, DENVER 7, Col.. U.S.A. 

 a. Chemistry of muscle differentiation, determination of actin and myosin 



and phosphate fractions in muscle of chick embryos after the 7th day 



of development (concluded). (Aves) (in collaboration with B. J. 



NEUKOM and M. J. SCHNEIDER) 



