* PRASSE, Mr. J. Institut fiir Landwirtschaft Zoologie, Universitat Halle, E. Abderhalden- 



strasse 20, Halle, German Democratic Republic. [Nematoda] 

 PRATT Dr. Harry Davis. Communicable Disease Center, U.S. Public Health Service, 50 



Seventh Street, Atlanta 23, Ga. , U. S. A. [Diptera: CuUcidae; Siphonaptera; Anoplura; 



all of N. America (Yes)] 

 PRATT, Dr. Ivan. Department of Zoology, Oregon State College, CorvalUs, Ore., U.S.A. 



[Life cycles of Trematoda of Pacific est. of N.America (Yes)] 

 PRATVIEL, Anne Marie. Attach^e de Recherches, Centre de 3° Cycle de G^ologie Approfondie, 



351 cours de la Ub^ration. Talence (Gironde), France. [OUgocene Mollusca of Aquitaine 



Bassin (Yes)] 

 PRAVDIN, Prof. I. F. Canal Griboedov 74:41, Leningrad, U. S. S. R. [Pisces of Europe & Asia] 



[Zoological Institute, Academy of Sciences] 



* PREBLE, Edward A. (Washington, D. C. ; Mammalia) Deceased. 



PRECHT, Dr. Herbert. Zoologisches Institut der Universitat, Hegewischstrasse 3, Kiel, Ger- 

 many. [Ciliata: Peritricha (No)] 



PRECUPETU, Anna. Facultatea de SUinte Naturale, Splaiul Independentei nr. 93-95, Bucure§ti, 

 Rumania. [Hymenoptera: Tenthredinoidea of Europe (Yes)] 



* PRENANT, Marcel. Laboratoire d' Anatomie, Corapar^e et d'Histologie, Sorbonne, 1 rue 



Victor Cousin, Paris (V), France. [Bryozoa] 



* PRENN, Prof. Fritz. Schiller strasse 4, Kufstein (Tirol), Austria. [Odonata] 

 PRENTICE, J. E. Department of Geology, King's College, Strand, London, W. C. 2, England. 



[Carboniferous Brachiopoda (Yes); Carboniferous Trilobita (Yes)] 

 PRESTON, Prof. Floyd W. Department of Petroleum Engineering, University of Kansas, Law- 

 rence, Kans., U.S.A. [Lepidoptera: Rhopalocera of N. America] 

 PRETNER, Egon. Ingtitut za raziskovanje Krasa Slovenske Akademije Znanosti in Umetnosti, 



Postojna, Ljubljana, Yugoslavia. [CavernicolousColeoptera of Balkans (Yes); Hydro- 



philidae of Palearctic (Yes); Coleoptera of Balkans (No)] 

 PREUSS, Dr. Giinter. Padagogische Akademie, Pfaffenbergstrasse 95, Kaiserslautern, Germany. 



[Hymenoptera: Sphecidae, Formicidae, Pompilidae, of c. Europe (Yes); Chrysididae of c. 



Europe (No)] 

 PfilBYL, Dr. Alois. Podolsk^ 761/112, Praha XV, Podoli, Czechoslovakia. [Paleozoic Ostra- 



c'oda of Europe (Yes); Trilobita & Graptozoa of Europe & Asia (Yes); Paleozoic Eury- 



pterida of Europe (Yes)] [Mining Institute] 

 PRICE, Dr. E.W. 1921 Lookout Street, Mitchell Park, Gadsden, Ala., U.S.A. [Trematoda: 



Digenetic & Monogenetic of World (Yes)] 

 PRICE, Mr. Homer F. Route 2, Payne, Ohio, U. S. A. [Aves, eggs, of Ohio (Yes); Lepidoptera: 



'Butterflies & Skippers of Ohio (Yes); Odonata of Ohio (No)] 

 PRICE, Dr. John L. Maracas Valley c/o Curepe P. O. , Trinidad. [Crustacea: Copepoda: Cyclo- 



'pidae of e. Canada (Yes); of Triiiidad (No)] 

 PRICE, L. I. Divisao de Geologia e Mineralogia, Avenida Pasteur 404, Praia Vermelha, Rio de 

 'Janeiro, Brazil. [Mesozoic ReptiUa of S. America (Yes); Mesozoic & Cenozoic Croco- 



dilia of S. America (Yes)] 

 PRIDDY, Dr. Ralph B. , Associate Professor of Biology, Carthage College, Carthage, 111. , 



U. S. A. [Diptera: Bombyliidae of N. America (Yes)] 

 PRIESNER, Prof. Dr. Hermann, Rudolfstrasse 36, Unz, Austria. [Thysanoptera of World 



(Yes); Hymenoptera: Diapriidae of Europe (No)] [Landesmuseum] 

 PRIGOGINE, Dr. A. Kamituga, Belgian Congo. [Aves of highlands of e. Belg. Congo (Yes)] 

 PRINCE, Frank M. Department of Health, Education & Welfare, CDCA, San Francisco Field 



Station, 15th Avenue & Lake Street, Building 19, San Francisco 18, CaUf. , U.S.A. 



[Siphonaptera of U. S. (Yes)] 

 PRINCIPI, Prof. Maria M. Istituto di Entomologia della University, Via Filippo Re N. 6, 



Bologna (117), Italy. [Neuroptera of Italy & Mediterranean (Yes)] 

 PRINCIS, Mr. K. Zoologiska Institution, Lunds Universitet, Lund, Sweden. [Blattariae of 



World (Yes)] 

 PRINGLE, Dr. J. A. , Director, Natal Museum, Pietermaritzburg, Natal, Union of South Africa. 



[Reptilia, snakes of s. Africa (No); Mollusca: shells of s. Africa (No)] 

 PRIOLO, Dr. Prof. Ing. Ottavio. Via Gorizia 22, Catania, Italy. [Marine, terr. , f-w. Mol- 

 lusca of Mediterranean & Red Sea (Yes)] 



* PRITCHARD, Dr. A. L. (Ottawa, Canada; Pisces) Not now active in taxonomy. 

 PRITCHARD, Dr. A. Earl. Division of Entomology, University of California, Berkeley 4, 



Calif.', U.S.A. [Diptera: Asilidae & Cecidomyiidae of World (No); Acarina: Tetrany- 

 choidea of World (Yes); Odonata of N. America (No)] 



PRITCHARD, Mrs. Claremont G. 6500 Knox Street, Uncoln 5, Nebr. , U.S.A. [Digenetic 

 Trematoda of marine fishes of Hawaii & Bermuda (No)] 



PftfVORA, Dr. M. Institute of Epidemiology & Microbiology, Sfobdrova 48, Praha 12, Czecho- 

 slovakia. [Coleoptera: Carabidae of Europe (Yes); Carabini of Palearctic (Yes)] 



* PROBST, Mr. Robert T. 4619 Manordene Rd. , Baltimore 29, Md. , U.S.A. [Aquatic Hemip- 



tera & fish parasites] 



313 



