Bee-Ben 



a. Analyse cythochimique et autoradiographique de I'interaction des deux 

 parties des associations de cellules cancereuses KB et Hela et d'organes 

 embryonnaires. Gallus gallus (Aves) 

 BECK, F. M.D., Ch.B., M.I.I.E. — Dept. of Anat.. Univ. Coll. of South 

 Wales and Monmouthshire, CARDIFF, Wales 



a. The effect of trypan blue on development. (Mammalia) 



b. Embryonic nutrition. (Mammalia) 



BEDFORD! SELWOOD), Mrs. L. B.Sc, M.Sc. — Zool. Building, School 

 of Biol. Scis., Univ. of Sydney, SYDNEY, N.S.W., Australia 

 a. Descriptive, experimental and physiological embryology. Bembicium 



nanum (Littorinidae, Mesogastropoda) 

 h. Descriptive morphology and physiology of oogenesis, utilizing cytoche- 

 mistry, autoradiography and electron microscopy. Sypharochiton septen- 

 triones (Amphineura, Mollusca) 

 BEERMANN, W. Dr.rer.nat., M.I.I.E., Prof. — Max Planck Inst, fiir Biol., 

 Spemannstr. 34, TUBINGEN, Deutsche Bundesrepublik 



a. Development of nucleolus-less embryos, descriptive and biochemical. 

 Chironomus tentans (Diptera) 



b. Reversibility of puffing and differentiation in salivary glands. Chiro- 

 nomus tentans (Diptera) 



BEETSCHEN, J. CI. Dr.es Sci., Prof. — Lab. de Biol, gener., Fac. des Sci., 

 1 1 8 Route de Narbonne, TOULOUSE, France 



a. Recherches cytologiques, embryologiques et genetiques sur I'hetero- 

 ploidie experimental. (Amphibia) 



b. Hybridation interspecifique. (Amphibia) 



c. Alterations de la morphogenese de I'oeil chez les embryons aneuploidcs. 

 Pleurodeles waltlii (Urodela) 



d. Etude autoradiographique du metabolisme des germes heteroploides 

 letaux. Pleurodeles waltlii (Urodela) (en collaboration avec Mrs. A. M. 

 DUPRAT) 



e. Etude d'un facteur recessif semi-letal, ac. Pleurodeles waltlii (Urodela) 

 (en collaboration avec A. JAYLET) 



f. Metamorphose induite experimentalement par la thyroxine. (Amphibia) 

 BELKA-GRZYBEK, Mrs. A. Ph.D. — Dept. of Gener. Biol., Silesian 



Acad, of Med., Rokitnica, ZABRZE 8, Poland 



a. Restoration of the surrenal gland after experimental injury. Mus mus- 

 cuius (Rodentia) 



b. Cytological and histochemical investigations on the regenerating tail. 

 Xenopus laevis (Anura) 



BELL, E. B.A., M.Sc, Ph.D. — Dept. of Biol., Massachusetts Inst, of 

 Technol., CAMBRIDGE, Mass.02139, U.S.A. 



a. Development of skin and feathers. Gallus gallus (Aves) 



b. Biochemical and biophysical analysis of keratin synthesis in develop- 

 ment of skin and feathers. Gallus gallus (Aves) 



c. Protein synthesis, RNA and DNA synthesis during development; their 

 regulation and relation to cytodifferentiation. Spisula solidissima (Mol- 

 lusca) , Gallus gallus (Aves) 



BELL. L. G. E. B.Sc, Ph.D., A.R.I.C. M.I.Biol. — Dept. of Zool., King's 



Coll., Strand, LONDON W.C.2, England 

 BELLAIRS, A. d'A. D.Sc — Dept. of Anat., St. Mary's Hosp. Med. School. 



LONDON W.2, England 



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