Den-Dra 



DENT. J. N. A.B., Ph.D.. Prof. — Dept of Biol., Univ. of Virginia, CHAR- 

 LOTTESVILLE, Va, U.S.A. 



a. Uptake of certain radioisotopes by various embryonic regions. Hyla 

 versicolor (Anura) 



b. Further studies on regeneration. Triturus viridescens (Urodela) 



c. Metamorphosis of a presumably neotenic cave salamander. Gyrinophilus 

 palleucus (Urodela) 



DENUCfi. J. M. Dr Zool.Sci. — Lab. voor Zool.. Afd. Morphol., Universi- 

 teitsstraat 14, GENT. Belgie. 

 a. Physiology of development. (Insecta) 

 DEROUX. G. Lie. es Sci. — Station Biologique, ROSCOFF, Finistere, 

 France 

 a. Influence de la penetration des fibres centripetes (au niveau des nerfs 

 VII, lateral anter. et VIII) sur le plan d'organisation des parties cepha- 

 lisees du tube nerveux, apres I'epibolie. Salmo irideus (Teleostei) 

 h. Epoque de ponte et developpement larvaire. Cornularia cornucopia 

 (Alcyonaria, Coelenterata) 

 DETH, J. H. M. G. van M.D., Prof. — Anat.-Embryol. Lab. der Rijks 

 Univ., Janskerkhof 3, UTRECHT, Holland 

 a. Fetal endocrinology. (Aves. Mammalia) 

 DETTLAFF, Mrs T. A. Dr Biol.Sci., M.I.I.E., Prof. — Inst, of Anim. 

 Morphol. of the Acad, of Sci. of the U.S.S.R., Bolshaja Kalushkaja 33, 

 MOSCOW V-71. U.S.S.R. 



a. Physiology of activation of the egg: the role of Ca-ions, the process of 

 secretion. Huso huso, Acipenser giildenstadti, A. stellatus ( Acipenseri- 

 formes. Chondrostei) 



b. The fate of the polysaccharides in the period of fertilization. (Acipen- 

 seriformes, Chondrostei) 



i-DETWILER, S. R. Dr, Prof. — Dept of Anat., Coll. of Physicians and 



Surgeons, Columbia Univ., 630 West 168th St. NEW YORK 32. N.Y., 



U.S.A. 



(deceased) 

 DEUCHAR, Miss E. M. M.A., Ph.D., M.I.I.E. — Dept of Embryol., Univ. 



Coll. London, Gower St, LONDON W.C. 1, England 



a. Effect of animo acid analogues on morphology and free amino acid con- 

 tent of embryonic tissues. Xenopus laevis (Anura) 



b. Proteolytic activity in parts of early embryo. Xenopus laevis (Anura) 

 DEVILLERS, Ch. M.I.I.E., Prof. — Lab. d'Anat. et d'Histol. comp., 1 Rue 



Victor Cousin, PARIS Ve, France 

 a. Origine de I'energie utilisee au cours du developpement de I'oeuf. Salmo 



fario, S. irideus (Teleostei) 

 h. Recherches sur la symetrisation de I'oeuf. Salmo spec. (Teleostei) 

 DICK. D. A. T. M.B., Ch.B. — Dept of Human Anat., The Univ. Museum. 

 OXFORD, England 

 a. Physiology of foetal liver. Ovis communis (Ruminantia) 

 DIJK, D. E. van B.Sc. — Zool. Inst., Univ. of Stellenbosch. STELLEN- 

 a. Ontogenesis of the cloaca. (Anura) BOSCH, South Africa 



DIMITROWA. Miss A. I. Dr — Inst, of Gener. Biol., Med. School, Univ. 



of Sofia. Blwd. Lenin N. 2, SOFIA, Bulgaria 

 DIMOND, Sister M. T. A.B., M.S., Ph.D. — Trinity Coll., WASHING- 

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



30 



