* DeWITT, Dr. Robert M. Department of Biology, University of Florida, Gainesville, Fla. , 



U. S. A. [Terr. & f-w. Gastropoda] 

 DEXTER, Dr. Ralph W. Department of Biology, Kent State University, Kent, Ohio, U. S. A. 



[Crustacea: Anostraca of N. America (Yes)] 

 DHARMARAJAN, Dr. M. Department of Animal Genetics, Madras Veterinary College, Madras 



7, India. [Diptera: g. Drosophila of s. India (Yes)] 

 D'HERDE, J. Rijkslandbouwhogeschool, Coupure Links 233, Gent, Belgium. [Plant-parasitic 



Nematoda of Belgium (No)] [Rijksstation voor Insektenkunde] 

 DIAKONOFF, Dr. A. Rijksmuseum van Natuurlijke Historie, Leiden, Netherlands. [Mlcro- 



lepidoptera, espec. Tortricidae, of tropical s. Asia & New Quinea (Yes); Tortricidae of 



Madagascar (No)] 

 DIAS, J. A. Travassos Santos. Missao de Combate as Tripanosomiases, 2a SubsecQao de Ento- 



mologia, Maputo, Mozambique. [Acarina: Ixodoidea of World (Yes); Diptera: Tabanidae 



of Ethiopian (Yes)] 



* DIAZ-NAJARA, A. Entomologo del Instituto de Salubridad, Av. Instituto T^cnico 266, Mexi- 



co 17, D. F. , Mexico. [Diptera] 

 DIAZ-UNGRIA, Dr. Carlos. Sociedad de Ciencias Naturales La Salle, Apartado 681, Caracas, 



Venezuela. [Parasitic helminths of Venezuela (Yes); Siphonaptera of Venezuela (No); 



Acarina: Ixodldae of Venezuela (Yes); Acanthocephala of Venezuela (Yes)] 

 DICE, Dr. Lee R. Laboratory of Vertebrate Zoology, University of Michigan, Ann Arbor, 



Mich. , U. S. A. [Mammalia: Rodentia; g. Peromyscus of N. America (No)] 

 DICKERMAN, E. Eugene. Department of Biology, Bowling Green State University, Bowling 



Green, Ohio, U. S. A. [Trematoda of L. Erie & tributaries (No)] 

 DICKERMAN, Robert W. Minnesota Museum of Natural History, University of Minnesota, 



Minneapolis 14, Minn., U.S.A. [Birds of s.w. U. S. & Mexico (No)] 

 DICKINS, Mr. J. M. Bureau of Mineral Resources, Geology & Geophysics, Childers Street, 



Turner, Canberra, Australia. [Permian Pelecypoda of S. Hemisphere (Yes); Owenian, 



Carboniferous, Mesozoic Pelecypoda of Australia (Yes); Up. Paleozoic Gastropoda of 



Australia (Yes); Permian fossils of Australia; Permian Pelecypoda & Gastropoda of 



World] 

 DICKINSON, Dr. J. C. , Jr. Department of Biology, University of Florida, Gainesville, Fla., 



U. S. A. [Aves of N. America (Yes)] 

 DICKINSON, Mr. W. E. 730 E. Euclid Avenue, Milwaukee 11, Wis., U.S.A. [Diptera: Culici- 



dae & Tipulidae of Wisconsin (Yes); Reptilia & Pisces of Wisconsin (Yes)] 

 DICKINSON, W. H. 2510 OUve Avenue, Long Beach, CaUf . , U.S.A. [ReptiUa: Elapidae & 



Viperidae of Asia & Africa (Yes)] 

 DICKSON, C. G. C. "Blencathra" Cambridge Ave. , St. Michael's Estate, Cape Town, Union of 



South Africa. [Lepidoptera (No)] 

 DICKSON, R. C. Citrus Experiment Station, Riverside, Calif. , U. S. A. [Homoptera: Aphididae 



& Diaspididae of World, espec. America (Yes)] 



* DIDIER Dr. Robert. Laboratoire d'Entomologie, Museum National d'Histoire Naturelle, 



4gDis pyg ^g Buffon, Paris (V), France. [Coleoptera: Lucanidae] 

 DIEBEL, Dr. Kurt. Palaontologisches Museum der Humboldt Universitat, Invalidenstrasse 43, 

 BerUn, N 4, German Democratic Republic. [Triassic Conodonts of c. Europe (No); Up. 

 Cretaceous Conodonts of Africa (Yes)] 

 DIECKMANN, Lothar. Crednerstrasse 9, ieipzig 039, German Democratic Republic. [Coleop- 

 tera: Curculionidae of c. Europe (No); sg. Pseudorchestes of Palearctic (Yes)] 

 DIEKE, Dr. G. H. Johns Hopkins University, Baltimore 18, Md. , U.S.A. [Coleoptera: Cocci- 

 nellidae of World, espec. Latin Amer. , (Yes)] 



* DIEM, Kenneth L. Department of Wildlife Research, Utah State University, Logan, Utah, 



U.S.A. [Pisces] 

 DIESSELHORST, Dr. G. Zoologische Sammlung der Bayerischen Staates, Menzingerstrasse 

 67, Munchen 19, Germany. [Aves of Tanganyika & Paraguay (Yes)] 



* DIETRICH, Mrs. Alice S. Entomology Department, Comstock Hall, Cornell University, 



Ithaca, N.Y. , U.S.A. [Odonata] 



DIETRICH, Dr. Henry. Department of Entomology, CorneU University, Ithaca, N. Y. , U.S.A. 

 [Coleoptera of n. e. U. S. (Yes)] 



DIETRICH, Prof. Dr. W. O. Geologisch-Palaontologishes Institut der Universitat, Invaliden- 

 strasse 43, Berlin N 4, German Democratic Republic. [Fossil Proboscidea of Europe 

 (Yes); Pleistocene Mammalia: Carnivora, Chiroptera, Rodentia, of Germany (Yes)] 



DIETZ, Curt. (Stanford, Calif. ; Echinoidea) Not now active in taxonomy. 



DIEUZEIDE, Dr. R. , Directeur de la Station d'Aquiculture etde Peche, Castiglione (Alger), 

 Algeria. [Marine biology of Algeria (Yes)] 



* DIGBY, Dr. P. S. B. Department of Biology, St. Thomas' Hospital Medical School, London, 



S. W. 1 , England. [Crustacea: Copepoda] 

 DIKMANS, Dr. Gerard. (Ionia, Mich. ; Nematoda) Not now active in taxonomy. 

 DILGER, Prof. William C. Laboratory of Ornithology, Cornell University, Ithaca, N. Y. , 



U. S. A. [Aves of World (Yes), to species)] 



169 



