Rossi 76 Runns ' 



ROSSINI. Miss M. C. Ph.D. — 1st. di Anat. Comp.. Via Belmeloro 8, 

 BOLOGNA (103). Italia, 

 a. Action of podophyllin on early development. Rana (Anura) 

 ROSTAND, J. — 29 Rue Pradier, VILLE d'AVRAY. (Seine-et-Oise), 

 France, 

 a. Parthenogenese et gynogenese. Regulation chromosomique par le froid. 



(Amphibia) 

 h. Mutations (Polydactylie, Ectrodactylie, etc.): comportement hereditaire 

 et physiologic genetique. (Amphibia) 



c. Modifications des noyaux au cours de I'ontogenese. (Amphibia) 



d. Survie de I'ovule in vitro, a basse temperature. (Amphibia) 

 ROTHFELS, U. Ph.D. — Dept of Pediatrics, Med. School, Univ. of Colo- 

 rado, 4200 East Ninth Ave, DENVER 7, Col.. U.S.A. 



a. Study of differentiation of somites in explants (Spratt technique). Gal- 

 lus (Aves) (in collaboration with H. HERRMANN) 



b. Study of developmental disturbances related to nutritional deficiencies 

 investigated by application of anti-vitamins and anti-amino acids to the 

 intact egg and to explants (somites). (Aves) (in collaboration with H. 

 HERRMANN. L. LUBCHENKO and J. MACKENZIE) 



R02EWSKA, Miss J. W. Physician — Inst, of Histol. & Embryol., Acad, 

 of Med., Narutowicza 60, LODZ, Poland. 



a. Influence of sulphonamides on the development of germinal layers. 

 Gallus (Aves) 



b. Influence of sulphonamides on the size of embryos. Gallus (Aves) 

 RUDEWICZ. Mrs Cz. Physician — Inst, of Histol. & Embryol., Acad., of 



Med., Narutowicza 60, LODZ, Poland. 



a. Influence of sulphonamides on the structure of cell nuclei. Gallus (Aves) 



b. Influence of sulphonamides on the size of embryos. Gallus (Aves) 

 RUDNICK, Miss D. Ph.D. — Osborn Zcol. Lab., Yale Univ.. NEW 



HAVEN 11, Conn.. U.S.A. 

 a. Histo- and cytogenesis of early embryonic tissues. Gallus (Aves) 

 h. Protein-synthesising mechanisms in development. Gallus (Aves) 

 RUGH, ROBERTS A.B.. M.A., Ph.D. — Radiological Research Lab., 



Dept of Radiology, Coll. of Physicians & Surgeons, Columbia Univ., 



NEW YORK 32, N.Y.. U.S.A. 



a. Radiobiology. , 



b. Experimental Embryology. 



RUNNER. M. N. Ph.D. — Roscoe B. Jackson Mem. Lab.. BAR HAR- 

 BOR. Me. U.S.A. 



a. Naturally occurring congenital abnormalites in inbred mice studied as 

 ,. environmental indicators". Mus musculus (Rodentia) 



b. Factors influencing the survivability of transplanted ova. Mus musculus 



c. Inherited susceptibility to environmental influences during prenatal deve- 

 lopment. Mus musculus (Rodentia) 



d. Inheritance of hormonal balance of the ovary and pituitary during 

 adolescence. Mus musculus (Rodentia) 



RUNNSTROM. J. A. M. F.I.I.E.. Ph.D.. M.D., Prof. — Wenner-Grens 

 Inst, for experimental Biology, Norrtullsgatan 16. STOCKHOLM Va.. 

 Sweden, 

 a. (Cf. work on the Institute). Physiology of fertihzation and development. 

 ( Echinodermata) 



