Reynolds 74 Rock 



d. Architecture of umbilical blood vessels, distended and non-distended. 

 Homo (Primates) 

 RHODES. Mrs M. B. B.S. — Dept of Genet.. Coll. of Agric. Univ. of 

 Connecticut, Storrs Agric. Exper. Stat.. STORRS. Conn., U.S.A. 

 a. Effects of experimental treatments (insulin, eserine sulfate, sulfanila- 

 mide, nicotinamide, riboflavin etc.) on the succinic dehydrogenase system 

 of embryos. Galliis domesticus (Aves) 

 RHODES, S. A. M.A. — Franklin College, FRANKLIN, Ind., U.S.A. 



a. Lens induction. Rana clamitans, Rana catesbiana (Anura) 



b. A cytological and histochemical study of lens development. Rana cates- 

 biana, Rana clamitans (Anura) 



RICHTER, K. M. B.A., M.A., Ph.D.. Assoc. Prof. — Dept of Anat., School 

 of Med., Univ. of Oklahoma, OKLAHOMA CITY, Okla., U.S.A. 



a. Studies on the influence of carcinogenic substances on development. Gal- 

 lus domesticus (Aues) 



b. Experimental studies on the influence of carcinogenic substances on the 

 growth of the embryonic heart in culture. Gallus domesticus (Aves) 



c. The anatomy of a new 14 day old embryo. Homo sapiens (Primates) 



d. Revision of Work-text on Human Embryology, by Richter. K.M. 

 RIDLEY. Miss E. J. M.S. — Dept. of Biol. Sci., Univ. of Pittsburgh, 



PITTSBURGH 13, Pa, U.S.A. (no data received over some years) 



RIJCKEVORSEL. F. van — Zool. Lab. der Rijks Univ.. Janskerkhof 3, 

 UTRECHT. Holland, 

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

 boration with D. BOSSCHAERT. Miss C. H. M. BRAAT, Miss S. C. 

 A. HAIJE. Miss A. H. LEYSEN, J. H. W. NICOLAI. Miss A. J. 

 PARIS. Chr. P. RAVEN and Miss L. G. de VRIES) 



RINALDINI. L.M. — Strangeways Research Lab., Wort's Causeway, CAM- 

 BRIDGE, England (U.K.) 

 a. The synthesis of ascorbic acid in embryos. (Aves and Mammalia) 



RISLEY, P. L. A.B., M.S., Ph.D., Prof. — Dept. of Biol., Univ. of Oregon, 

 EUGENE, Ore., U.S.A. (no data received over some years) 



RIZZOLI, C. M.D., Dr — 1st. di Istol. e Fisiol. gen., Fac. di Med.. Via 

 Belmeloro 8, BOLOGNA, Itaha. 

 (no data received on Nov. 1^*, 1952) 



ROBERTSON, F. W. B.Sc, Ph.D. — Inst, of Anim. Genet., Univ. Dept of 

 Genet. King's Buildings, West Mains Rd, EDINBURGH 9, Scotland 

 (U.K.) 

 a. Developmental study of lines selected for large and small body size. 

 Drosophila melanogaster (Insecta) (in collaboration with E. C. R. 

 REEVE) 



ROBERTSON, G. G. Ph.D., Prof. — Dept of Anat., Coll. of Med.. 

 Baylor Univ., 1200 M. D. Anderson Blvd, Texas Med. Center, HOUS- 

 TON 5, Tex., U.S.A. (no data received over some years) 



ROCK, J. M.D. — Free Hospital for Women, 245 Pond Ave, BROOK- 

 LINE, Mass., U.S.A. 



— Harvard Univ., Med. School, Dept of Pathol., 25 Shattuck Str., 

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

 a. Development of ova from fertilization to 14-days (first missed menstrual 

 period). Homo (Primates) (in collaboration with A. T. HERTIG and 

 W. J. MULLIGAN) 



