Pou-Ram I j 



POURREAU (SCHNEIDER), Mrs. N. M. B.A., Dr. — Lab. d'Embryol. et 

 Teratol. exper. duC.N.R.S.,49bis Avenue de la Belle Gabrielle.NOGENT 

 sur Marne, France 



— Lab. d'Embryol. exper. du Coll. de France, 1 1 Place Marcelin Ber- 

 thelot, PARIS Ve, France 



a. Culture in vitro of adult chick organs as a medium for the proliferation 

 of cancers from another species. 



b. I n v i t r o studies on hematopoi'esis in embryonic and adult spleen and 

 bone marrow. (Aves; Mammalia) 



POURTOIS, M. M.D., Lic.en Sci.dent. — Lab. d'Anat. et d'Embryol., Fac. 



de Med. de l'Univ., 97 Rue aux Laines, BRUXELLES, Belgique 

 PRASAD, M. R. N. M.Sc, Ph.D. — Dept. of Zool., Univ. of Delhi, DELHI 



6, India 



a. Delayed implantation studies. Cricetus auratus, Rattus spec. (Rodentia) 



b. Morphogenesis and cytochemistry of foetal membranes. Funambulus 

 spec, Tatera indica cuvierii (Rodentia) 



c. Physiology of reproduction. Hemidactylus spec. (Lacertilia) , Funam- 

 bulus spec. (Rodentia) 



PRAY, T. R. B.A., Ph.D., Prof. — Dept. of Biol., Univ. of Southern Califor- 

 nia, University Park, LOS ANGELES 7, Calif., U.S.A. 



a. Development of the gametophytes and juvenile stages of the sporophytes. 

 (Cheilantheae, Pterideceae) 



b. Development of the vein systems of leaves. Anemia spec, Marsilea spec, 

 Cyrtomium spec, Acrostichum spec and other spp. (Pterydophyta) 



c Development of the dichotomous venation of the leaf. Ginko spec. 

 PREDA, V. M.D., Prof. — Catedra de Biol.. Inst. Medico-Farmaceutic, Str. 

 Pasteur 6, CLUJ, Rumania 



a. Influence de la temperature d'incubation sur le metabolisme de 1'oeuf. 

 Gallus spec (Aves) 



b. Histochimie des organes embryonnaires cultives in vitro. Gallus spec. 

 (Aves) 



c Influence de l'hormone gonadotrope choriale sur la gonade indifferenciee 



cultivee in vitro. Gallus spec (Aves) 

 PRESCOTT, D. — Biol. Div., Oak Ridge National Lab., P.O. Box Y, OAK 



RIDGE, Tenn., U.S.A. 

 PRETO PARVIS, Mrs. V. Dott.Med.. Prof. — Cattedra di Istol. ed Em- 



briol.gener., Fac di Med. e Chir. dell'Univ. di Milano, Via Ponzio 7, 



MILANO, Italia 

 PRICE, Miss D. M.I.I.E., Prof. — Dept. of Zool., Biol. Sci. Div., Univ. of 



Chicago, CHICAGO 37, 111., U.S.A. 

 PROVENZANO. A. J. A.B., M.S., Ph.D. — Inst, of Marine Sci.. Univ. of 



Miami, 1 Rickenbacker Causeway, MIAMI 49, Fla., U.S.A. 



a. External morphology of zoeal stages and of glaucothoe stages (larval 

 and post-larval). Pagurus spp. (Decapoda, Crustacea) 



b. Effects of some environmental factors on larval development. (Anomura, 

 Decapoda, Crustacea) 



PUCCI, Miss I. Dr. — 1st. di Zool., Via Archirafi 18. PALERMO, Italia 



a. Ultrastructure of eggs. (Mollusca) 



b. Cytochromoxidase in development. (Ascidiae) 



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