b Mutations (polydactylie, ectrodactylie. etc.) et anomalies provoquees par le milieu ex- 



terieur (principalement "Anomalie P"). (Amphibia) 

 c Action protectrice de la glycerine a legard de la congelation des cellules spermatiques. 



(Amphibia) r r? i i t c 



ROSTEDT. Miss I. B. M.Sc. — Lab. of Exper. Embryol.. Dept. of Zool., Univ. ot 



Helsinki, Arkadiankatu 7, HELSINKI 10, Finland 

 a Heterogeneous inductors on embryonic ectoderm. Gallus domesticus (Aves) 

 h Early embryonic development. Gallus domesticus (Aves) 

 ROTH. T. F. Ph.D. — Dept. of Biol., Univ. of California, San Diego, P.O. Box 109, 



LA JOLLA, Calif. 92037. U.S.A. 

 a Cytochemistry of meiotic development ? r c c n 



ROTT Mrs N. N. Cand.biol.sci. — Inst, of Developm. Biol., Acad, of Sci. of the U.S.S.R., 



Vavilov St. 26, MOSCOW B-133, U.S.S.R. 

 a Changes of mitotic cycle in early embryogenesis as related to morphogenetic nuclear 



function and synthesis of RNA. Strong ylocentcotus nudus (Echinoidea), Misgurnus fossilis, 



Salmo gairdneri. Cyprinus carpio. Esox lucius (Teleostei), Ambystoma mexicanum (Uro- 



dela) 

 ROUCH. R. — Lab. Souterrain du C.N.R.S., 09 MOULIS (Ariege), France 

 ROULSTON. W. J. M.Sc. — Long Pocket Labs., C.S.I.R.O. Div. of Entoraol., Meiers 



Rd., INDOOROOPILLY 4068. Brisbane, Australia 



(no embryological work in progress) 

 ROUSSEL, C. Dr.en Med. — Lab. d'Histol.-Embryol. A. Fac. de Med., 45 rue des Sts. Peres, 



PARIS Vie. France 

 a Mode d'action de certaines substances teratogenes (Triton WR 1339). (Mammalia) 

 ROUX, Ch. Dr.en Med., Prof. — Lab. d'Embryol., CHU Saint-Antoine, 27, rue Chaligny, 



75 PARIS 12e, France 

 a Teratogenic action of inhibitors of cholesterol synthesis. Mus musculus, Rattus norvegicus 



(Rodentia), (Primates) 

 b Morphogenesis of cardiac malformations. Mus musculus, Rattus norvegicus (Rodentia) 

 c Virus and gestation. Rattus norvegicus (Rodentia) 

 d Chromosome aberrations and teratogenic action of different drugs such as thalidomide and 



cytostatics. Rattus norvegicus, Mus musculus (Rodentia), Orycfolagus cuniculus (Lago- 



morpha) 

 ROUX, J. P. Lic.de Sci.Nat. — Lab. de Zool, Fac. des Sci. de Grenoble, Cedex 53, 33 



GRENOBLE. France rr j , > 



a Histochemical and ultrastructural study on teeth buds. Pleurodeles waltlii (Urodela) 

 ROWINSKI. P. Prof. — 1st. di Fisiol. gen. e spec, degli Anim. domest. e Chim. Biol., Univ. 



di Torino, TORINO, Italy ^^^^ 



ROWLEY, D. A. Prof. — Dept. of Biol., Div. of Biol. Sci.. Univ. of Chicago. CHICAGO, 



111. 60637, U.S.A. 

 a Cell interactions and homeostasis in immune response 

 ROWSON, L. E. A. M.R.C.V.S. — A.R.C. Unit of Reprod. Physiol, and Biochem., Univ. 



of Cambridge, 307 Huntingdon Rd., CAMBRIDGE, England 

 a Ovum transplantation and artificial insemination. (Mammalia) 

 RUBEN, L. N. Ph.D., Prof. — Biol. Dept., The Reed Inst., PORTLAND, Ore. 97202, 



U.S.A. , • 



a Amphibian neoplasia (physical and chemical factors affecting immunocompetence and its 



relation to lymphosarcoma transmissibility and development). Triturus viridescens, Xenopus 



laevis, Rana pipiens (Amphibia) 

 RUBEN R J M.D. — Dept. of Otolaryngol., School of Med.. New York Univ., 550 First 



Ave'., Room H-314, NEW YORK, N.Y. 10016, U.S.A. 

 RUCH, J. V. Dr.med., Dr.es Sci. — Inst. d'Embryol., Fac. de Med., 1 Place de 1 Hopital, 



STRASBOURG, France • 



a Chimioteratogenese (venins). (Aves) 

 h Action d'un corticoide (phosphate de dexamethasone) in vivo et in vitro, f^t^es^; 



Mammalia) tvtc-iit 



RUDDLE, F. H. Ph.D., Prof. — Dept. of Biol., Kline Biol. Tower, Yale Univ., NEW 



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

 a Discrimination between genetic and epigenetic events in somatic cells in vitro by 



studying enzyme variants. Mus musculus (Rodentia) 

 RQDEBERG, S. I. Ph.D. — Tornblad-Inst. for Comp. Embryol., Biskopsgatan 7, LUND, 



Sweden 

 a Histochemistry of cerebellum during development. (Vertebrata) 

 RUDNEVA, T. — Inst, of Developm. Biol., Acad, of Sci. of the U.S.S.R., Vavilov St. 26. 



MOSCOW B-133, U.S.S.R. 



Time reqularities of the maturation process; temperature effect upon maturation processes 



in vivo and in vitro. (Amphibia) (in collaboration with Mrs. T. A. DETTLAFF) 



RUDNICK, Miss D. Ph.D., — address unknown 



149 



