Clianges of address, and new addresses 



ANDRES. G. Dr., M.I. I.E. — Zool. Inst, der Johannes Gutenberg-Univ., 



Saarstr. 21. MAINZ, Deutschland. 

 AVERKINA. R. F. Dr, — Inst, of Exper. Biol, of the Acad, of Med. Sci. of 



the U.S.S.R.. Baltiyskaya 8, MOSCOW, U.S.S.R. 

 a. The development of antigenic properties in the course of onto- and 



phylogenesis. 

 BEER, Sir G. R. de F.I.I.E, Prof. — 39 Shrewsbury House. Cheyne Walk, 



LONDON. S.W. 3. England 

 BEERMANN, W. M.I. I.E. — Max Planck Inst, fiir Biol.. Spemannstr. 34. 



TUBINGEN, Wiirttemberg, Deutschland 

 3EETSCHEN. ].-C. Dr. — Lab. de Biol, gener., Fac. des Sci.. 39 Allee 



Jules Guesde, TOULOUSE (Hte-Gne), France 

 BODENSTEIN, D. Ph.D.. M.I. I.E. — Dept. op Biol., Univ. of Virginia. 



CHARLOTTESVILLE, Va., U.S.A. 

 BORGHESE, E. M.D., Ph.D.. M.I.I.E. — Div. Biol, del C.N.R.N., Lab. del 



Sincrotrone, FRASCATI (Roma). Italia 

 BRAHMA, S. K. M.Sc D.Phil.. Ph.D. — Chittaranjan Nat. Cancer Res. 



Center. 37 S. P. Mookerjee Road, CALCUTTA 26, India 

 CASPARI. E. W. Ph.D.. M.I.I.E., Prof. — Biol. Lab.. Coll. of Arts and 



Sci.. Univ. of Rochester. River Campus Station, ROCHESTER 20. 



N.Y., U.S.A. 

 CHALKLEY, D. T. B.A., M.A.. Ph.D. — Nat. Cancer Inst.. BETHESDA, 



Md.. U.S.A. 

 CHANG, C. Y. M.S., Ph.D.. M.I.I.E. — Inst, of Zool. Acad. Sinica, Hai- 



tien. PEKING (53). China 

 DOBROKHOTOV, V. N. Dr. — Inst, of Exper. Biol, of the Acad, of Med. 



Sci. of the U.S.S.R.. Baltiyskaya 8. MOSCOW. U.S.S.R. 

 a. Regulation of cell division by environmental factors in different stages 



of development. (Amphibia, Mammalia) 

 FLICKINGER, R. M.I.I.E. — Dept. of Zool.. State Univ. of Iowa. IOWA 

 CITY. Iowa. U.S.A. 



— temporarily: Lab. d'Embryol. et Teratol. exper. du C.N.R.S.. 49bis 



Avenue de la Belle Gabrielle. NOGENT sur Marne (Seine). France 

 GATES. A. H. Ph.D. — Dept. of Obstetrics & Gynecol., Stanford Med. 



Center. PALO ALTO, Calif.. U.S.A. 

 GREGG, J. R. B.S. Ph.D., M.I.I.E. — Dept. of Zool., Duke Univ. 



DURHAM, N.C.. U.S.A. 

 HAMBURGER. V. Ph.D.. F.I.I.E.. Prof. — Dept. of Zool.. Washington 



Univ.. ST LOUIS 30, Mo., U.S.A. 

 HAMMERLING, J. M.I.I.E. — Max Planck Inst, fiir Meeresbiol., Anton 



Dohrnweg. WILHELMSHAFEN, Deutschland 

 fHARRISON, R. G. M.D.. Ph.D.. Sc.D.. L.L.D.. F.I.I.E.. Prof. (Emer.) — 



Osborn Zool. Lab.. Yale Univ. NEW HAVEN 11, Conn.. U.S.A. 



(deceased) 



