a. Development and cytology. (Tricladidea, Turbellaria) 

 QUEREUX, P. Dr. en Med. — Lab. d'Anat. fonctionnelle et de Neuro-anat, 

 Fac. de Med., 45 Rue des Sts. Peres, PARIS Vie, France 

 a. Developpement de la cavite peritoneale. Homo sapiens (Primates) 

 QUERNER, H. Dr.rer.nat. — Inst, fur exp. Krebsforsch. der Univ. Heidel- 

 berg, Voss-Str. 3, HEIDELBERG, Deutsche Bundesrepublik 



a. Hormonphysiologische Untersuchungen. (Cyprinodontidae, Teleostei) 



b. Einfluss von Bestrahlung auf Entwicklung und Wachstum. (Ophryo- 

 trocha, Annelida) 



RADECKA, Mrs. E. ERDMAN M.Ph. — ZaMad Zool. Ogolnej, Inst. 

 Zool., Uniw. we Wroclawiu, ul. Sienkiewicza 21, WROCLAW, Poland 



RAFFERTY, K. A., Jr. B.S., M.S., Ph.D. — Dept. of Anat., School of Med., 

 Johns Hopkins Univ., 709 N. Wolfe St., BALTIMORE 5, Md., U.S.A. 



RAGOZINA, Mrs. M. N. Cand. Biol. Sci. — Inst, of Animal Morphol. of 

 the Acad, of Sci. of the U.S.S.R., Lenin Avenue 33, MOSCOW V-71, 

 U.S.S.R. 

 a. The influence of ecological factors on the mode of development of pro- 

 visory organs. Lacerta spp., Gecko spp., Agama spp., Testudo spp., 

 Clemmys spp. (Reptilia), (Aves nidifugi et nidicoli) 



RAMENSKAJA, Mrs. G. P. Cand. Biol. Sci. — Inst, of Animal Morphol. of 

 the Acad, of Sci. of the U.S.S.R., Lenin Avenue 33, MOSCOW V-71, 

 U.S.S.R. 

 a. Action of DNA on morphogenesis. Bombyx mori (Lepidoptera) (in col- 

 laboration with Mrs. T. A. BEDNJAKOVA) 



RAMSEY, Miss E. M. A.B., M.D. — Dept. of Embryol., Carnegie Inst, of 

 Washington, 115 W. University Parkway, BALTIMORE 10, Md., 

 U.S.A. 



a. Placentation. Study of marginal sinus and venous drainage of placenta. 

 Macaca mulatta, Homo sapiens (Primates) 



b. Anatomical and radiological studies of circulation in the maternal pla- 

 centa. Macaca mulatta, Homo sapiens (Primates) (in collaboration with 

 G. W. CORNER, Jr. and M. W. DONNER) 



c. Determinations of blood, amniotic and intervillous space pressures 

 throughout pregnancy. Macaca mulatta (Primates) (in collaboration with 

 G. W. CORNER, Jr. and W. N. LONG) 



RANZI, S. Ph.D., F.I.I.E., Prof . — 1st. di Zool. e Anat. Comp., Univ. di 



Milano, Via Celoria 10, MILANO, Italia 

 RANZOLI, F. Dr., Prof. — 1st. di Zool., Via S. Giacomo 9, BOLOGNA, 



Italia 



a. Development of gonads. (Urodela) 



b. Sexual and asexual reproductive cycles and regeneration. Salmacina in- 

 crustans, S. dysteri (Polychaeta) 



c. Sex determination and intersexuality. Hydroides norvegica (Polychaeta) 

 RAO, S. R. V. M.Sc, Ph.D. — Dept. of Zool., Univ. of Delhi, DELHI 6, 



India 

 a. Cytology and cytochemistry of development. Pyura spec. (Ptychobran- 



chia, Ascidia) 

 RAPOLA, M. H. J. M.D. — Anat. Inst., Univ. of Helsinki, HELSINKI, 



Finland 

 a. Development of the anterior pituitary and adrenocortical tissue. Xenopus 



laevis (Anura) 



113 



