ROSSINI, Miss M. C. Dr Nat.Sci. — 1st. di Anat. Comp.. Via Bclmeloro S, 

 BOLOGNA (103), Italia 



a. Analysis of formative movements during neurulation (with vital stains). 

 (Amphibia) 



b. Researches on development of neural crest. (Amphibia) 

 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.) et anomalies provoquecs 



par le milieu exterieur (principalement, "Anomalie P"). (Amphibia) 



c. Action protectrice de la glycerine a I'egard de la congelation des cellules 

 spermatiques. (Amphibia) 



ROTHENBUHLER, W. C. B.S.. M.S., Ph.D. — Dept of Zool. and Ento- 

 mol., Iowa State Coll., AMES, Iowa, U.S.A. 



a. Cleavage of zygote and accessory sperms in the origin of gynandro- 

 morphs. Apis mellifeva (Hymenoptera) 



b. Genetics of sex determination in haplo-diploid mosaics. Apis mellifeta 

 (Hymenoptera) 



ROTHSCHILD, Lord — Univ. Museum of Zool.. Univ. of Cambridge, 

 Downing St, CAMBRIDGE, England 

 a. Sperm and fertilization (in collaboration with J. GRAY). 

 ROUX, C. — Lab. d'Embryol., Fac. de Med., 45 Rue des Sts Peres, PARIS 

 Vie, France 

 a. Anomalies du systeme uro-genital. Mus rattus (Rodentia) 

 RUDEWICZ, Mrs Cz. Physician — Inst, of Histol. 6 Embryol., Acad, of 



Med.. Narutowicza 60. LODZ, Poland 

 RUDNICK. Miss D. Ph.D., M.I.I.E. — Osbom Zool. Lab.. Yale Univ., 

 NEW HAVEN II, Conn.. U.S.A. 

 a. Glutamine metabolism in development. Gallus spec. (Aves) 

 RUGH, R. A.B., M.A., Ph.D., M.I.I.E. — Radiological Research Lab.. Dept 

 of Radiol., Coll. of Physicians & Surgeons, Columbia Univ., 630 West 

 168th St, NEW YORK 32. N.Y., U.S.A. 



a. Heterosis and X-irradiation tolerance. Mus musculus (Rodentia) 



b. Sensitivity to irradiation of the fetal testes at different stages of develop- 

 ment. Mus musculus (Rodentia) 



c. Reparation of the fetal eye following irradiation insult. Mus musculus 

 (Rodentia) 



d. Behavior following low-level fetal X-irradiation. Rattus norvegicus 

 (Rodentia) 



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

 BOR, Me, U.S.A. 



a. Hormonal induction of ovulation, conception and pregnancy in prepu- 

 beral animals. Mus musculus (Rodentia) 



b. Parental and dietary influences on skeletal morphogenesis. Mus mus- 

 culus (Rodentia) 



c. Carbohydrate metabolism in relation to chemically induced phenocopies 

 of the skeleton. Mus musculus (Rodentia) 



d. Hereditary susceptibility to congenital deformity. Mus musculus (Ro- 

 dentia) 



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

 Inst, for exper. Biol.. Norrtullsgatan 16, STOCKHOLM Va., Sweden 



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