Dur-Elb 



DURANTE, Miss M. C. Dr. — 1st. di Zool., Via Archirafi 18, PALERMO, 

 Italia 

 a. Cholinesterase, dipeptidase and other enzymes in embryonic develop- 

 ment. (Ascidiae) 



DUSPIVA, F. Dr., Prof. — Zool. Inst, der Univ., Sofienstr. 6, HEIDEL- 

 BERG, Deutsche Bundesrepublik 



a. Localization of enzymes within the embryo and in subcellular fractions. 

 (Teleostei; Amphibia) 



b. Protein differentiation, ontogeny of enzyme patterns. (Teleostei; Am- 

 phibia) 



c. Energy metabolism and metabolism of nucleic acids, nucleotides, cofac- 

 tors during development. (Teleostei; Amphibia) 



d. Cell-physiological mechanisms of malformation in early development. 

 (Amphibia) 



DUTRIEU, Miss J. Dr.es Sci. — Lab. de Physiol, gener., Fac. des Sci. de 



Bordeaux, 40 Rue Lamartine, TALENCE (Gironde), France 

 a. Metabolisme des glucides (trehalose) au cours du developpement. Arte- 



mia salina (Anostraca, Crustacea) , Calliphora eruthrocephala (Diptera) , 



Bombyx mod (Lepidoptera) 

 DUYVENfi 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, J. FABER, Utrecht, H. 

 HOLCIK, Prague, and Y. HONNA, Niigata) 



b. The influence of X- and gamma-irradiation, and colchicine, on developing 

 embryos. Rhodeus ocellatus (Acheilognathinae, Teleostei) 



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



GOTEBORG-SV, Sweden 

 DZIALLAS, P. R. Dr.med., Prof . — Anat. Inst, der Univ., Pettenkoferstr. 



11, MONCHEN 15, Deutsche Bundesrepublik 

 a. Missbildungsforschung. Homo sapiens (Primates) 

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



BERKELEY 4, Calif., U.S.A. 



a. Determination of neural plate, sucker and hypophysis. Hula regilla (Anura) 



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



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



d. Development of stirnorgan. Hula regilla (Anura) 



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

 ham Univ., Edgbaston, BIRMINGHAM 15, England 



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

 ington, 1 15 W. University Parkway, BALTIMORE 10, Md., U.S.A. 



a. Biochemical and immunochemical analysis of the synthesis and distribution 

 of the proteins, actin, myosin and creatine kinase 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. Analysis of the effects of adult or late embryonic tissue transplants (cho- 

 rioallantoic, 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. 



46 



