Pac-Pin 



PACKER. A. D. — Dept of Anat.. Univ. of Adelaide. ADELAIDE. S. Aus- 



PADOA. E. Dr. Prof. — 1st. di Zool.. Fac. di Sci.. Via Romana 17, FI- 



RENZE. Italia 

 PADYKULA Miss H. A. B.S.. M.A.. Ph.D. — Dept of Anat.. Harvard 



Med. School. 25 Shattuck Str.. BOSTON 15. Mass.. U.S.A. 

 PAI, S. Dr rer. nat.. F.I. I.E. — Lab. of Developm. Physiol.. Inst, of Exper. 



' Biol.. Acad. Sinica. 865 Chang Ning Rd. SHANGHAI, China 

 PANTELOURIS. E. M. B.Sc, Ph.D. — Inst, of Animal Genet.. Univ. 



Dept of Genet., Kings Buildings. West Mains Rd. EDINBURGH 9, 



Scotland 



a. Ovary transplants for detection of host effects on growth, and of 

 transfer of specific molecules. Drosophila spec. (Diptera) 



b. Tests for specific molecule transfers. Mus musculus (Rodentia) 

 PARI. F. Prof. — 1st. di Zool. e Anat. comp. dell'Univ.. Via A. Volta 4, 



PISA. Italia 

 a. Reproduction and cytology. ( Rhabdocoela. Turbellaria) 

 PARRANT. M. Dr en Med. — Lab. d'Embryol.. Fac. de Med.. 45 Rue des 

 Sts Peres. PARIS Vie. France 

 a. Developpement du svsteme dentaire. Homo sapiens (Primates) 

 PASCHMA. M. M.Ph. — Zaklad Zool. Ogolnej. Inst. Zool.. Uniw. we 

 Wroclawiu. ul. Sienkiewicra 21. WROCLAW. Poland 

 a. Normal development, f Enchytraeidae. Oligochaeta) 

 PASQUINI. P. Ph.D.. M.I. I.E.. Prof. — 1st. di Zool.. Via S. Giacomo 9. 

 BOLOGNA. Italia 



a. Effects of antimitotics on early development and on lens-regeneration. 

 Rana esculenta, Triton spec, Amby stoma spec. (Amphibia) (in collabo- 

 ration with Mrs I. MAZZONI— DE CESARE) 



b. Effects of antimitotics on the regeneration of peripheral nerves. (Amphi- 

 bia) (in collaboration with S. LEGHISSA) 



c. Effects of low temperature on early development. (Amphibia) (in col- 

 laboration with E. MANELLI) 



PASTEELS. J. M.D.. F.I.I.E.. Prof. — Lab. d'Anat. et d'Embryol., Fac. de 

 Med. de I'Univ.. 97 Rue aux Laines. BRUXELLES. Belgique 



a. General survey of development. Chry semis spec . Pseudemys spec. 

 Chelone spec. (Chelonia), Chamaeleo spec. Mabuya spec. (Sauria) 



b. Cytochemical observations on first development. (Mollusca; Echinoidea) 



c. Metachromasia in eggs in vivo. (Evertebrata) 



d. Electron-microscopical analysis of eggs. Paracentrotus spec. (Echinoi- 

 dea) 



PATTEN. B. M. Ph.D.. Prof. — Dept of Anat.. Med. School, Univ. of 

 Michigan. 2500 East Med. Bldg. ANN ARBOR. Mich., U.S.A. 



PEDERSEN. K. J. M.Sc — Inst, for Aim. Zool.. Universitetsparken 3. 

 COPENHAGEN O. Denmark 

 a. Biochemistry of regeneration processes. (Planariidae, Plathelminthes) 



PEHRSON. G. T. Dr Phil.. Prof. — Zootom. Inst.. Univ. of Stockholm. 

 R^dmansgatan 70A. STOCKHOLM. Sweden 



a. Development and morphology of the skull and of the lateraUs system. 

 (Osteoglossidae and Characinidae, Teleostei) 



b. Ontogeny of the skull. Polyptenis spec. (Crossopterygii) 



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