PATRICOLO. Miss E. Dr.nat.sci. — 1st. di Zool., Univ. di Palermo, Via Archirafi 18. 



90123 PALERMO, Italy 

 a Enzymatic inhibitors in development. (Ascidiae) 

 b Cellular aggregation. (Amphibia) 



c Action of dl-proline and its analogues on development. (Ascidiae) 

 PATTEN. B. M. Ph.D., Prof. (Emer.) — Dept. of Anat., Univ. of Michigan. East Med. 



Bldg., ANN ARBOR, Mich. 48104, U.S.A. • 



PAUL. J. Ph.D. — The Beatson Inst, for Cane. Research. Royal Beatson Mem. Hosp.. 



132 Hill St.. GLASGOW C.3. Scotland, U.K. • 



PAUTOU (M£RIC). Mrs. M. P. Dr.spec. — Lab. de Zool., Fac. des Sci. de Grenoble, 



Cedex 53, 38 GRENOBLE. France 

 a Interaction between limb bud ectoderm and mesoderm in xenoplastic associations; study of 



the competition between mesoderm of two species. Gallus domesticus. Anas boschas (Aves) 

 b Interaction between wing and leg bud ectoderm and mesoderm in xenoplastic associations. 



Gallus domesticus. Anas boschas (Aves) 

 PAVAN. C. Ph.D.. Prof. — Dept. of Zool.. Univ. of Texas at Austin. AUSTIN, Tex. 



78712. U.S.A. 

 a DNA, RNA and protein synthesis in polytene chromosomes in development of normal 



and infected larvae. (Sciaridae, Diptera) 

 PAVE. A.-G. Ing., Dr.Spec. — Sect, de Biol. Gener. et Appl., Fac. des Sci. de Lyon. 43 Bd. 



du 11 Novembre 1918, 69 VILLEURBANNE, France 

 a Thermogenese de I'oeuf. Bombyx mod (Lepidoptera) 

 PAVKOV, A. D. Dr.med. — Centrul de Embriol. Norm. §i Patol., Acad. Republ. Social. 



Rumania, Bul.M.Viteazul 24, TIMI§OARA, Rumania 

 a Pathogenesis of cardiac malformations. Gallus domesticus (Aves) 

 b Normal and pathological prenatal electrocardiography. Gallus domesticus (Aves) 

 PAWLOWITZKI, I. H. — Inst, fur Humangenet. der Univ., Vesaliusweg 12/14, 44 MUN- 



STER/Westf., W.Germany 

 a Chromosome analysis and isoenzyme determinations in spontaneous abortions. Homo 



sapiens (Primates) 

 PAWEOWSKA, Mrs. M. — Dept. of Histol. and Embryol., Fac. of Vet. Med., Warsaw 



Agricult. Univ., ul. Grochowska 272, WARSZAWA, Poland 

 PA YEN, Miss G. G. — Lab. d'Evolution des Etres Organises, Fac. des Sci., 105 Bd. Raspail. 



PARIS Vie. France 

 a Formation and development of the androgenic glands. Their control by neurosecretion. 



Callinectes sapidus, Rhithropanopeus harrisii, Carcinus maenas (Brachyura, Decapoda, 



Crustacea) 

 b Organogenesis of the genital apparatus in larval stages. Rhithropanopeus harrisii, Calli- 

 nectes sapidus, Carcinus maenas (Brachyura, Decapoda, Crustacea) 

 PEDERSEN. K. J. Ph.D. — Inst, of Gen. Zool., Univ. of Copenhagen, 15 Universitets- 



parken, DK 2100 COPENHAGEN 0. Denmark 

 a Formation of connective tissue filaments in regenerating animals. Dugesia tigrina (Tur- 



bellaria) 

 b Cytology and cytochemistry of starving animals. Dugesia tigrina (Tutbellaria) 

 c Cellular basis for regeneration. Lineus ruber (Nemertini) 



PEDERSEN. T. M.D. — Finsen Lab.. Finsen Inst.. 49 Strandboulevard, DK-2100 COPEN- 

 HAGEN, Denmark 

 a Follicle growth and cell kinetics of the ovary in infancy, maturity and old age; during 



normal cycle, pregnancy and lactation; influence of gestagen (^H-thymidine labelling and 



autoradiography). Mus musculus (Rodentia) 

 PEGRUM (HALL), Mrs. S. M. B.Sc. — Dept. of Zool. and Comp. Anat., Univ. Coll. 



London, Gower St., LONDON W.C.I, England 

 a Study of cell relations in tissue culture. Gallus gallus (Aves), Mus musculus (Rodentia) 



(in collaboration with M. ABERCROMBIE and Mrs. J. E. M. HEAYSMAN (WAK- 



ELING) ) 

 PEHLEMANN, F.-W. Dr. — Anat. Inst, der Univ., Neue Univ. Eingang F 1, 23 KIEL. 



W.Germany 

 a Ultrastructural morphogenesis of endocrine glands (adenohypophysis, adrenal, thyroid). 



(Anura: Mammalia) 

 b Ultrastructure of amitotic cell division. (Anura; Mammalia) 

 PEHRSON, G. T. Dr.phil.. Prof. (Emer.) — Zool. Inst., Univ. of Stockholm. 70A RSd- 



mansgatan. Box 6801, S-113 86 STOCKHOLM, Sweden 

 PELLING, C. Dr. — Max-Planck Inst, fur Biol., Abt.W.Beermann, Spemannstr. 34, 74 



TUBINGEN, W.Germany • 



PENE, J. J. Ph.D. — Inst, for Developm. Biol.. Univ. of Colorado. BOULDER, Colo. 80302. 



U.S.A. 

 PENER. M. P. Ph.D. — Dept. of Entomol. and Venomous Anim.. The Hebrew Univ., 



JERUSALEM, Israel 

 PENMAN, S. — Dept. of Biol.,, Massachusetts Inst, of Technol.. CAMBRIDGE, Mass. 



02139. U.S.A. • 



135 



