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*PISANO, A. Doct. en Ci., Prof. — Inst, de Zool., Ci. Biol., Univ. 



Nac. de Tucuman, Miguel Lillo 205, Argentien, S. America. 

 *PLANQUE. B. de — Hubrecht Lab. Embryol. Inst., Janskerkhof 2, 



Utrecht, Holland. 

 *PLETZEN, R. van M.Sc. — Zool. Inst., Univ. of Stellenbosch, 

 Stellenbosch, South Africa. 

 POLEZAJEW, L. W. Dr — Inst, of Cytol., Histol. and Embryol. 

 of the Acad, of Sci. of the U.S.S.R., Obrexh Str. 6, Moscow; 

 U.S.S.R. 

 POLICARD, A. Dr, Prof. — Inst. d'Histol., Lyon, France. 

 POLITZER, G. Dr, Prof. — Krishna Lodge, Karol Bagh, Delhi, 

 India. 

 *PORTMANN, A. Dr Phil., Prof. — Zool. Anstalt der Univ., Rhein- 



sprung 9, Basel, Schweiz. 

 *POSALAKY, Z. — Anat. and Biol. Inst, of the Med. Fac. of the Univ., 



Debrecen, Hungary. 

 *POULSON, D. F. Ph.D., Prof. — Osborn Zool. Lab., Yale Univ., 



New Haven, Conn., U.S.A. 

 *PREDA, V. Med. Dr, Prof. — Inst, de Biol., Strada Mico 3, Cluj, 



Roumanie. 

 *PRETO PARVIS, V. Dott. Med., Prof. — 1st. di Anat. umana norm. 



dell'Univ. di Milano, Via Mangiagalli 31, Milano, Italia. 

 *PRINS, J. X. B.Sc. — Zool. Inst., Univ. of Stellenbosch, Stellenbosch, 

 South Africa. 

 PUSEY, H. K. Dr, Prof. — Dep. of Zool. and comp. Anat., Univ. 

 Museum, Oxford, England. 

 *RADECKA, E. M.Ph. — Inst. Zool. Uniw.we Wrocklavviu, Zaklad 

 Zool. Ogolnej, ul. Sienkiewicza 21, Wroclaw, Polska, 

 (Poland, 1). 

 *RADKOWA, M. Vet. Phys. — Zaklad Hist, i Embriol. Uniw. ul. 



Chalubinskiego 6a, Wroclaw, Polska. 

 *RAJKOVITS, Ch. — Anat. Dep., Univ. of Pecs, Dischka Gyozo-u. 5, 



Pecs, Hungary. 

 *RAMSEY, Miss E. M. A.B., M.D., Prof. — Dep. of Embryol., Car- 

 negie Inst, of Washington, Wolfe and Madison Strs, Baltimore 

 5, Md., U.S.A. 

 *RANZI, S. Prof. — 1st. di Zool. et Anat. comp., Fac. di Sci., Via 



Celoria 10, Milano, Italia. 

 *RAUNICH, L. Ph.D., M.D. — 1st. di Anat. comp., Via Belmeloro 8, 



Bologna, Italia. 

 *RAVEN, Chr. P. F.R.A.; Dr Sc, Prof. — Zool. Lab. der Rijks Univ., 

 Janskerkhof 3, Utrecht, Holland. 



Hubrecht Lab., Internat. Embryol. Inst., Janskerkhof 2, Utrecht, 

 Holland. 

 *RAWLES, Miss M. E. Ph.Dr, Prof. — Dep. of Biol., The Johns 

 Hopkins Univ., Charles and 34th Strs, Baltimore 18, Md., U.S.A. 



* RAYNAUD, A. Dr es Sc. — Lab. d'Embryol. du Lab. Pasteur de 



l'lnst. du Radium. 26, Rue d'Ulm, Paris Vc, France. 



* REEVE, E. C. B.A., Ph.D. — Genet. Lab., Anim. Breeding and 



Genet. Res. Organ., Inst, of Anim. Genetics, West Mains Rd, 

 King's Buildings, Edinburgh 9, U.K. 



