Delmas 26 Dodd 



a. Developpement de I'encephale. Homo (Primates) 



h. Developpement anormal de I'encephale et des organes dcs sens. Mus 



rattus (Rodentia) 

 DENT. J. N. A.B.. Ph.D.. Assoc. Prof. — Samuel Miller Biol. Labs. Univ. 



of Virginia, CHARLOTTESVILLE, Va, U.S.A. 

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



pipiens (Anura) 

 DENUCfi, J. M. Lic.zool.sci. — Lab. voor Zool.. Afd. Morphol., Universi- 



teitstraat 14, GENT. Belgie 



(no data received on Nov. 1^'. 1953) 

 DEROUX, G. Lic.esSci. — Lab. d'Embryogenie comp.. Coll. de France. 



Place Marcelin Berthelot. PARIS Ve, France 



(no data received over some years) 

 t DESCLAUX. P. Prof.agr. — Lab. d'Embryol.. Fac. de Med.. 15 Rue 



Ecole de Med.. PARIS Vie, France 

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



Surgeons. Columbia Univ.. 630 West 168th St, NEW YORK City. 



N.Y.. U.S.A. 



(no data received) 

 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 amino acid composition of embryonic tissues. Xenopus laevis, 

 Discoglossus pictus, Ambystoma tigrinum (Amphibia) 



b. Attempted detection and identification of diffusible secretions from 

 organizer tissue. Xenopus laevis, Discoglossus pictus. Ambystoma ti- 

 grinum (Amphibia) 



DEVILLERS. Ch. Dr es Sci. — Lab. d'Embryogenie comp.. Coll. de France, 



Place Marcelin Berthelot. PARIS Ve. France 



(no data received over some years) 

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



LUND. Sweden 

 a. Study of the embryology. (Brachiopoda) 

 DIERCKS. Fr. — Lab. voor Zool.. Afd. Morphol.. Universiteitstraat 14, 



GENT, Belgie 



(no data received on Nov. 1^', 1953) 

 DIJK, D. E. van B.Sc.Hon. (Zool.) — Zool. Inst.. Univ. of Stellenbosch, 



STELLENBOSCH. South Africa 

 a. Ontogenesis of the cloaca. (Anura) 

 DINGER. Miss C. B.Sc. — Zool. Lab. der Rijks Univ., Janskerkhof 3. 



UTRECHT. Holland 

 a. Analysis of lithium action. Limnaea stagnalis (Gastropoda) (in colla- 

 boration with W. J. van DONGEN, B. de GROOT. Miss H. E. van 



HEYNINGEN. C. R. JANSSEN and Chr. P. RAVEN) 

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



Scotland (U.K.) 



a. Embryology with special reference to hybridisation. Patella vulgata, 

 athletica and intermedia (Prosobranchia, Gastropoda) 



b. A study of the developmental abnormalities wich result from: 1. poly- 

 spermy, 2. unripeness of the genital products. Patella vulgata, athletica 

 and intermedia, and Patella pellucida (Prosobranchia. Gastropoda) 



