Dut-Eng 



DUTTA, J. M.Sc — Dept. of Zool., Presidency Coll., College St., CAL- 

 CUTTA 12, India 

 a. Nucleo-cytoplasmic relationship. Amoeba spec. (Ciliata) (in collabo- 

 ration with Mrs. M. G. ALAMELU, S. MOOKERJEE, Miss D. MUK- 

 HERJI and L. WAIDYASEKARA) 



DUYVENE DE WIT, J. J. Dr.Phil.Nat, Prof. — Dept. of Zool., Univ. of 

 O.F.S., BLOEMFONTEIN, Republic of South Africa 

 a. Normal and hybrid development. (Acheilognathinae, Teleostei) (in 

 collaboration with E. K. BALON, Bratislava, Czechoslovakia) 



DYBERN, B. I. — Zool. Inst., Univ. of Gothenburg, Fjarde Langgatan 7B, 

 GOTEBORG-SV, Sweden 

 a. Taxonomic and embryological studies. (Ascidiae) 



DZIALLAS, P. R. Dr.med. — Anat. Inst, der Univ. Munchen, Pettenkofer- 

 str. 11, MONCHEN 15, Deutsche Bundesrepublik 



EAKIN, R. M. Ph.D., F.I.I.E., Prof. — Dept. of Zool., Univ. of California, 

 BERKELEY 4, Cal., U.S.A. 



a. Determination of neural plate, lens, and hypophysis. Hyla regilla 

 (Anura) 



b. Electron microscopy of induction systems. Hyla regilla (Anura) 



c. Development of parietal eye. Sceloporus occidentalis (Lacertilia) 



d. Development of stirnorgan. Hyla regilla (Anura) 



EAYRS, J .T. B.Sc, Ph.D., D.Sc. — Dept. of Anat., Med. School, Birming- 

 ham Univ., Edgbaston, BIRMINGHAM 15, England 

 a. Effects of hormones on central nervous development. (Rodentia) 



EBERT, J. D. Ph.D., F.I.I.E. — Dept. of Embryol., Carnegie Inst, of Wash- 

 ington, 115 W. University Parkway, BALTIMORE 10, Md., U.S.A. 



a. Biochemical and immunochemical analysis of the synthesis and distri- 

 bution of the contractile proteins, actin, myosin and tropomyosin in the 

 development of the heart in the early embryo. Gallus gallus (Aves) 



b. The metabolic characteristics of the heart-forming areas of the early 

 embryo. Gallus gallus (Aves) 



c. Immunological studies of melanogenesis; immunochemical properties of 

 the melanins; melanoproteins. The chemistry of the pigment-forming area 

 in the early embryo. Gallus gallus (Aves) 



d. Analysis of the effects of adult or late embryonic tissue transplants 

 (chorioallantoic, intra-coelomic) on the differentiation and growth of the 

 homologous tissues of the host embryo. Gallus gallus (Aves) 



1. Selective transfer of radioactivity from grafts to homologous host 

 tissues. 



2. Fractionating and identification of organ-specific growth regulatory 

 substances (inhibitory, stimulatory). 



3. Growth regulation in normal and decapitated embryos. 



e. The graft-versus-host reaction and development of immune mechanisms 

 in the embryo. Gallus gallus (Aves) 



f. Animal viruses (esp. tumor viruses) as tools in studying embryonic in- 

 duction. Gallus gallus (Aves) 



EBLING, F. J. M.Sc, Ph.D. — Dept. of Zool., Univ. of Sheffield, SHEF- 

 FIELD, England 

 a. Factors affecting activity of hair follicles. Rattus rattus (Rodentia) 



EDDS. M. V., Jr. B.A., M.A.. Ph.D., M.I.I.E. — Arnold Biol. Lab., Brown 

 Univ., PROVIDENCE 12, R.I., U.S.A. 



40 



