a. Histogenesis and interrelations of endocrines: the hypophysis under nor- 

 mal conditions and after treatment with thiourea. Chelydra serpentina 

 serpentina, and other spp. (Chelonia) 

 DINGLER— HAHL, Mrs E. Ch. DrMed. — Anat. Inst, der Univ. Miin- 

 chen, Pettenkoferstr. 11, MuNCHEN Id, Deutschland 



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



b. Bildet die Lunge nach der Geburt neue Parenchymeinheiten aus? Felis 

 domestica (Carnivora) 



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



Scotland 

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

 DOKTER, H. J. Med.Drs — Anat.-Embryol. Lab., Free Calvinistic Univ., 



Pr. Hendriklaan 27, AMSTERDAM Z, Holland 



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

 Gallus domesticus (Aves) 



b. Study of influence of anti-thyroid drugs on morphogenesis. Rattus nor- 

 vegicus albinus (Rodentia) 



DOLLANDER, A. Dr — Lab. d'Histol., Dep. d'Embryol., Fac. de Med., 

 31 Rue Lionnois, NANCY (Meurthe 6 Moselle), France 



a. Etude des proprietes mecaniques du cortex de I'oeuf. (Amphibia) 



b. Etude des proprietes de permeabilite du cortex de I'oeuf. (Amphibia) 



c. Etude morphologique du cortex de I'oeuf au microscope optique et au 

 microscope electronique. (Amphibia, Mammalia) 



d. Structure du spermatozoide au microscope optique et au microscope 

 electronique. (Amphibia) CON NET) 



e. Action teratogene de I'uree. (Amphibia) (en collaboration avec R. MAR- 

 DONALDSON, J. C. Ph.B., M.D.. Prof. — Dept of Anat., School of Med., 



Univ. of Pittsburgh. PITTSBURGH 13. Pa, U.S.A. 

 DOORENMAALEN, W. J. van M.D. — Anat.-Embryol. Inst., Municipal 

 Univ. of Amsterdam. Mauritskade 61. AMSTERDAM O, Holland 



a. The localisation of lensproteins in lens development. Gallus gallus 

 (Aves) 



b. Source of lensproteins in lens regeneration. Gallus gallus (Aves) 

 DOSSEL, W. E. A.B., M.S., Ph.D. — Dept of Anat.. School of Med., Univ. 



of North Carolina, CHAPEL HILL, N.C., U.S.A. 



a. Determination of the locus of origin of hypothalamic neurosecretory cells. 

 Gallus domesticus (various varieties) (Aves) 



b. The effects of depletion and substitution of the perivesicular mesen- 

 chyme upon the development of the thyroid. Gallus domesticus (various 

 varieties) (Aves) 



c. Regulation of size and functional activity of heterotopic, homoioplastic 

 transplants of the thyroid. Gallus domesticus (various varieties) (Aves) 



DRAGOMIROV. N. I. Dr Biol., F.I.I.E., Prof. — Inst, of Animal Mor- 

 phol. of the Acad, of Sci. of the U.S.S.R.. B. Kalushskaja 33. MOS- 

 COW V-71. U.S.S.R. 

 a. The development of the sense organs of the lateral line system. Acipen- 

 ser nudiventris Lov. (Chondrostei) 

 DRAISMA, J. R. B.Sc. — Hubrecht Lab., Intern. Embryol. Inst., Tanskerk- 

 hof 2, UTRECHT. Holland 

 a. Influence of mesodermal components upon differentiation and organiza- 

 tion of neural material. Ambystoma mexicanum, Triturus spp. (Urodela) 



31 



