Rob ^^ Rosen 



ROBERTSON. F. W. B.Sc, Ph.D. — Genet. Lab., Anim. Breeding and 



Genet. Res. Organ., Inst, of Anim. Genet.. West Mains Rd., King's 



Buildings, 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. HOUSTON 5, 



Tex., U.S.A. 



(no data received over this year) 

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



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) 



b. A morphologic description of 3 segmenting embryos; a 2-cell tubal ovum, 

 a 30-cell early blastula (4 days-uterine), and a 60-cell blastula (43/2 — ^ 

 days-uterine). Homo (Primates) (in collaboration with A. T. HERTIG 

 and W. J. MULLIGAN) 



ROETHELI. A. F. Dr Phil. — Solothurnstr., BuREN a. A.. Kant. Bern, 



Schweiz. (no embryological work in progress) 



ROGERS, K. T. A.B., M.A. — Biol. Lab's, Harvard Univ.. Divinity Ave, 



CAMBRIDGE 38, Mass., U.S.A. 



(no data received over this year) 

 ROLLHaUSER, Mrs J. ter HORST— Dr rer. nat. — Anat. Inst, der Univ., 



MARBURG/Lahn, Deutschland. 

 a. Anderung von Festigkeit und Elastizitat der Aorta wahrend des Wachs- 



tums. Homo (Primates) 

 ROLLHaUSER, Mrs J. ter HORST- Dr rer. nat. — Anat. Inst, der Univ.. 



Robert Kochstr. 6, MARBURG/Lahn, Deutschland. 



a. Induktionsleistungen abgetoteter Teile der Medullarplatte und dcs 

 Urdarmdaches im Explantat. Abtotung durch Kochen und Alkohol- 

 behandlung, Explantieren in isoliertes Gastrula-Ektoderm nach HOLT- 

 FRETER. Triton alpestris (Urodela) 



b. Reaktion verschieden vorbehandelten Gastrula-Ektoderms auf denselben 

 heterogenen Induktor. Behandlung der Gastrulae mit Hormonen, NaF, 

 Butylalkohol u.a. Mit dem isoherten Ektoderm dieser Gastrulae werden 

 Stiicke erwachsener Triton-Leber umhiillt. Triton alpestris (Urodela) 



ROOFE, P. G. — Dept of Anat., Univ. of Kansas, LAWRENCE, Kansas, 



U.S.A. 

 a. Cytochemical and microchemical study of the developing nervous system 



an its relationship to developing behaviour patterns. Ambystoma macu- 



latum (Urodela) (in collaboration with Mrs E. L. WENGER) 

 ROSE. S. M. Ph.D., Assoc. Prof. — Dept of Zool., Univ. of Illinois. 



URBANA. 111.. U.S.A. 



(no data received over this year) 

 ROSENBAUM, R. M. B.S. — Biol. Lab.. Harvard Univ., CAMBRIDGE 



38, Mass., U.S.A. 



(no data received over this year) 



