ROOS, T. B. Ph.D., Prof. — Dept. of Biol. ScL, Dartmouth College, HANOVER, N.H. 

 03755, U.S.A. 



a Biochemical and morphological differentiation of the adrenal cortex from the anlage to 

 the functional state (12 to 16 days, stages 19-33) (electron microscopy, histochemistry 

 and organ culture). Rattas noruegicus (Rodenfia) 



b Development of pituitary control of endrocrine function; organ culture studies of in- 

 dependent differentiation of mesonephric ridge components in order to determine their 

 interactions and competence and their response to pituitary and neural control. Rattus 

 noTvegicus (Rodentia) 



ROOSEN (RUNGE), E. C. M.D., Prof. — Dept. of Biol. Struct., School of Med., Univ. 

 of Washington, SEATTLE, Wash. 98105, U.S.A. 



ROSA C F. A — Dept. de Biol., Fac. Filos. Cienc. e Let. de Ribeirao Preto, Univ. de Sao 

 Paulo, Caixa Postal 759. RIBEIRAO PRETO, S.P., Brazil 



a Analysis of regional distribution of differentiation tendencies in the presumptive prosence- 

 phalon. Tritucus alpestris (Urodela) 



ROSATE, A. — 1st. di Anat. Umana Norm, della Univ., Corso M.D'Azeglio 52. 10126 

 TORINO, Italy 



ROSE S M. Ph.D., Prof. — Lab. of Developm. Biol., Dept. of Anat., Tulane Univ., 

 F.' Edward Hebert Center, BELLE CHASSE, La. 70037, U.S.A. • 



ROSELER, P.-F. Dr. — Stadt. Museum fur Naturk., Gerberau 32, 78 FREIBURG i.Br., 

 W.Germany 



ROSENBAUM, J. L. Ph.D. — Dept. of Biol., Kline Biol. Tower, Yale Univ., NEW 

 HAVEN, Conn. 06520, U.S.A. 



a Relation between flagellar protein precursor pools and regeneration kinetics studied in 

 amino acid-requiring and paralyzed flagella mutants by use of inhibitors of protein syn- 

 thesis (cycloheximide), assembly (colchicine, vinblastine), pulse-labeling; isolation, char- 

 acterization, and in vitro polymerization of flagellar microtubule subunits; growth 

 zones of microtubules, in vivo and in vitro by autoradiography. (Chlamydomonas 

 reinhardi (Volvocales, Chlorophyta), Tetrahymena pyriformis (Ciliata) 



ROSENBERG, A. J. Prof. — Lab. d'Anat. Comp., Fac. des Sci., 7 Quai Saint Bernard, 

 75 PARIS 5e, France 



a Developmental biochemistry 



ROSENBERG, Miss M. R. M.D., Ph.D. — Dept. of Genet., Albert Einstein Coll. of Med., 

 Yeshiva Univ., Eastchester Rd. & Morris Park Ave., NEW YORK, Bronx, N.Y. 10461, 

 U.S.A. 



a Molecular basis for the fetal-to-adult hemoglobin synthesis switch. Mus musculus (Ro- 

 dentia) 



h Genetic control of sperm differentiation. Mus musculus (Rodentia) 



ROSI, Miss G. Dott.Sci.Biol. — 1st. di Biol. Gener., Fac. di Med., Via del Giochetto, 06100 

 PERUGIA, Itaha 



a Rapporti tra rigenerazione e neurosecrezione. Dugesia lugubris (Turbellaria), Allolobo- 

 phora caliginosa (Oligochaeta) 



b Influenza di alcune sostanze simpaticomimetiche sulla rigenerazione. Dugesia lugubris 

 (Turbellaria). Allolobophora caliginosa (Oligochaeta) 



ROSS, G. T. B.A. — Dept. of Zool., Coll. of Sci., Univ. of Western Ontario, LONDON, 

 Ont., Canada 



a Effect of actinomycin D on developmental processes. (Teleostei) 



ROSS, K. F. A. D.Phil. — Muscular Dystrophy Res. Labs., Newcastle Gen. Hosp., 

 NEWCASTLE upon Tyne NE4 6BE, England 



a The quantitative measurement of RNA in normally differentiating myoblasts growing in 

 tissue culture, and in comparable myoblasts cultured from dystrophic muscle. Gallus 

 domesticus (Aves). Mus musculus (Rodenfia), Homo sapiens (Primates) (in collaboration 

 with D. E. JANS) 



b Measurement of the uptake by myoblasts of RNA fractions added to tissue culture media. 

 Gallus domesticus (Aves), Mus musculus (Rodentia), Homo sapiens (Primates) (in col- 

 laboration with D. E. JANS) 



ROSS. L. M. M.D., Ph.D. — Dept. of Anat., Med. Branch, Univ. of Texas, GALVESTON, 

 Tex. 77550, U.S.A. 



a Production of abnormalities of the thymus using teratogens (vitamin A, cortisone). 

 (Mammalia) 



h The role of the embryonic tongue in the process of closure of the secondary palate. 

 (Mammalia) 



ROSSI, A. Dr. — 1st. di Anat. Comp. "Battista Grassi", Fac. di Sci., Univ. di Roma, Via 

 A. Borelli 50, 00161 ROMA, Italy 



a Determination in the neural plate. Rana esculenta. Bufo bufo (Anura) 



ROSSINI, Miss M. C. Dr.nat.sci. — 1st. di Anat. Comp., Univ. di Bologna, Via Belmeloro 8, 

 BOLOGNA (103), Italy 



ROSTAND, J. Prof. — 29 rue Pradier, 92 VILLE D'AVRAY, France • 



a Parthenogenese et gynogenese; regulation chromosomique par le froid. (Amphibia) 



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