DiBERARDINO, Miss M. A. B.S., Ph.D. — Inst, for Cancer Research 

 7701 Burholme Avenue. PHILADELPHIA 11. Pa., U.S.A. 



a. Investigations of germ plasm in relation to nuclear transplantation. Rana 

 pipiens (Anura) 



b. Establishment of karyotyoe and an investigation into its stability during 

 embryonic differentiation. Rana pipiens (Anura) 



c. Chromosome studies of renal adenocarcinoma. Rana pipiens (Anura) 



d. The role of tumor nuclei and nuclei of normal cells in nuclear differen- 

 tiation. Rana pipiens (Anura) 



DICK. D. A. T. M.B., Ch.B., D.Phil. — Dept. of Human Anat., Univ. Mu- 

 seum. South Parks Road. OXFORD, England 

 a. Study of ion fluxes in oocytes. Bufo bufo (Anura) 



DICKSON, A. D. M.A., M.D. — Dept. of Anat., Dalhousie Univ., HALI- 

 FAX, Nova Scotia, Canada 



DIETERLEN (LlfiVRE), Mrs. F. Lic.es Sci., Dipl.d'Et.Sup., M.A. — Lab. 

 d'Embryol. et Teratol. exper. du C.N.R.S., 49bis Avenue de la Belle 

 Gabrielle, NOGENT sur Marne (Seine), France 



— Lab. d'Embryol. exper. du Coll. de France, 1 1 Place Marcelin Ber- 

 thelot, PARIS Ve, France 



a. Embryonic differentiation of the endocrine cells of the pancreas, and the 

 influence of hypophysectomy on differentiation. Gallus gallus (Aves) 



b. I n v i t r o development of the pancreas. Its influence on liver glycogen 

 in associated cultures. Gallus gallus (Aves) 



c. Formation deglycogenedans des cultures organotypiques defoie embryon- 

 naire. Influence d'hormones incorporees au milieu. Gallus gallus (Aves) 



d. Dif ferenciation de la thyroi'de embryonnaire cultivee in vitro sur des 

 milieux synthetiques. Gallus gallus (Aves) 



e. Ultrastructure of the embryonic pancreas. Gallus gallus (Aves) 

 DIMITROVA. Miss A. D.Sc. Prof. — Inst, of Gener. Biol., Higher Med. 



School, Blwd. Lenin N. 2, SOFIA 13, Bulgaria 

 DIMOND, Sister M. T. A.B.. M.S., Ph.D. — Dept. of Biol., Trinity Coll.. 

 WASHINGTON 17, D.C., U.S.A. 

 a. Histogenesis and interrelations of endocrines: the hypophysis under nor- 

 mal conditions and after treatment with thiourea. Cheludra serpentina serp. 

 and other spp. (Chelonia) 

 DINGLER (HAHL), Mrs. E. Ch. Dr.med., Prof. — Anat. Inst, der Univ., 

 Pettenkoferstr. 11, MQNCHEN 15, Deutsche Bundesrepublik 

 a. Wachstum der Niere. Mus rattus albinus (Rodentia) 

 DC (HAOUR), Mrs. F. Lic.es Sci. — Lab. de Zool. exper., Fac. des Sci. de 

 Lyon, 43 Bd. de l'Hippodrome. VILLEURBANNE, France 

 a. Metabolisme du calcium. Arbacia lixula (Echinoidea) 

 DOBROKHOTOV, V. N. Cand.biol.sci. — Inst, of Exper. Biol., Acad, of 

 Med. Sci. of the U.S.S.R., Baltiyskaya 8, MOSCOW A-315, U.S.S.R. 



a. Study of the relationship between growth and differentiation. (Verte- 

 brata) 



b. Regeneration. (Hydroidea) 



c. Study of mitotic activity. Rattus norvegicus (Rodentia) 



1 . Diurnal cycle of mitotic activity. 



2. Study of the relationship between functional and mitotic activity. 



43 



