Dclmas-Ebe 



a. Dcveloppemcnt de rencephalc. Homo (Primates) 



b. Ddveloppenient anormal de I'cncephale et des organes dcs sens. Mus 

 rattits (Rodentia) 



DEMPSEY. E. W. — Dept of Anat., Harvard Univ.. Med. School, 25 Shat- 

 tuck St. BOSTON 15, Mass.. U.S.A. 



a. Studies of the placenta. Histochemistry. Eqiius caballus (Perissodactyla) 

 (in collaboration with G. B. WISLOCKI and E. C. AMOROSO) 



b. The placenta studied by means of the electron microscope. Felis domes- 

 tica (Carnirora) (in collaboration v/ith G. B. WISLOCKI) 



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



CHARLOTTESVILLE, Va, U.S.A. 

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



pipiens (Anura) 

 h. Further studies on regeneration. Tritunis viridescens (Urodela) 

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



France 

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



Janskerkhof 3. UTRECHT, Holland 

 a. Fetal endocrinology. (Aves, Mammalia) 

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

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



U.S.A. 

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



London. Gower St. LONDON W.C. 1, England (U.K.) 



a. Studies on the free amino acids in embryonic and larval tissues. Xenopus 

 laevis, Discoglossus pictus, Ambij stoma tigrinum (Amphibia) 



b. Amino acid metabolism in abnormal embryos produced by various treat- 

 ments. Xenopus laevis. Ambystoma tigrinum, Triturus helveticus (Am- 

 phibia) 



c. Effects of chloroacetophenone on development. Xenopus laevis (Anura) 

 DEVILLERS, Ch. Dr es Sci. — Lab. d'Anat. et d'Histol. comp., Fac. des 



Sci., 1 Rue Victor Cousin, PARIS Ve, France 

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

 fario and Salmo irideus (Teleostei) 

 DIDINGS, S. Fil. Lie. — Embryol. Dept, Zool. Inst, of the Univ. of Lund, 



LUND. Sweden 

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

 BOSCH. South Africa 

 a. Ontogenesis of the cloaca. (Anura) 

 DINGLER— HAHL, Mrs E. Ch. Dr Med. — Anat. Inst, der Univ. Mun- 

 chen, Pettenkoferstr. 11, MuNCHEN 15, Deutschland 

 a. Das postnatale Wachstum der Lunge. Felis domestica (Carnivora) 

 DODD. J. M. B.Sc. Ph.D. — Catty Marine Lab.. ST ANDREWS. Fife. 



Scotland (U.K.) 

 DOHRN. P. M.D.. Ph.D. — Stazione Zool.. NAPOLI. Italia 

 DOHRN. R. Dr. Prof. — Stazione Zool. NAPOLI. Itaha 

 DOKTER. H. J. Med.Drs — Anat.-Embryol. Lab.. Free Univ.. Pr. Hen- 

 driklaan 27. AMSTERDAM Z, Holland 

 a. Study of abnormal development by injecting methyl-thiouracil into eggs. 

 Gallus domesticus (Aves) (in collaboration with J. LANGMAN) 



28 



