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1918

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A Remarkable New Bee of the Genus Oxea (Hym.), T. D. A. Cockerell; Entomological News

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Bees from British Guiana, T. D. A. Cockerell; Bulletin of the American Museum of Natural History

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Descriptions and Records of Bees - LXXIX, T. D. A. Cockerell; Annals and Magazine of Natural History

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Descriptions and Records of Bees - LXXX, T. D. A. Cockerell; Annals and Magazine of Natural History

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Descriptions and Records of Bees - LXXXII, T. D. A. Cockerell; Annals and Magazine of Natural History

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Neotropical Bees, Principally Collected by Professor Bruner in Argentina, T. D. A. Cockerell; Transactions of the American Entomological Society

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New Halictine Bees from Chile, T. D. A. Cockerell; The Canadian Entomologist

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Some Bees Collected in Queensland, T. D. A. Cockerell; Memoirs of the Queensland Museum

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Some Bees of the Genus Panurginus, T. D. A. Cockerell; Entomological News

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Some South American Bees, T. D. A. Cockerell; The Canadian Entomologist

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The Bee-Genus Brachynomada, T. D. A. Cockerell; The Canadian Entomologist

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The Bembicine Wasps (Hym.), T. D. A. Cockerell; Entomological News

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The Philippine Journal of Science, T. D. A. Cockerell, Elizabeth Robinson, and A. E. Wileman; The Philippine Journal of Science

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Notes Biologiques Sur Les Mylabres, Auguste Cros; Annales de la Société Entomologique de France

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Notes Biologique sur les Mylabres, Auguste Cros; Ann. de la Soc. Ent. de France

1917

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A Second Colletes with Spotted Wings (Hym.), T. D. A. Cockerell; Entomological News

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Descriptions and Records of Bees - LXXV, T. D. A. Cockerell; Annals and Magazine of Natural History

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Descriptions and Records of Bees - LXXVI, T. D. A. Cockerell; Annals and Magazine of Natural History

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Descriptions and Records of Bees - LXXVII, T. D. A. Cockerell; Annals and Magazine of Natural History

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Descriptions and Records of Bees - LXXVIII, T. D. A. Cockerell; Annals and Magazine of Natural History

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Descriptions of Fossil Insects, T. D. A. Cockerell; Proceedings of the Biological Society of Washington

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New Bees from Costa Rica, T. D. A. Cockerell; Entomological News

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New Records of Bees from Natal, T. D. A. Cockerell; Durban Museum Novitates

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New Records of Natal Bees (Second Contribution), T. D. A. Cockerell; Durban Museum Novitates

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New Social Bees, T. D. A. Cockerell; Psyche

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Some Bees of the Genus Psaenythia (Hym.), T. D. A. Cockerell; Entomological News

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Some Japanese Bees, T. D. A. Cockerell; The Entomologist

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Some Neotropical Megachilid Bees, T. D. A. Cockerell; The Canadian Entomologist

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The Carpenter Bees of the Philippine Islands, T. D. A. Cockerell; The Philippine Journal of Science

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Collecting Bees in Southern Texas, Williamette P. Cockerell; Journal New York Entomological Society

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Collecting Bees in Southern Texas, Wilmatte P. Cockerell; Journal New York Entomological Society

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New Hymenoptera, J. C. Crawford; Proceedings of the Entomological Society of Washington

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The Entomologist, Edward Meyrick, T. D. A. Cockerell, E. A. Elliot, Selwyn Image, W. G. Sheldon, J. W. Metcalfe, and H. D. Smart; The Entomologist

1916

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A New Leaf-Cutting Bee from Brazil, T. D. A. Cockerell; The Entomologist

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Bees from the Northern Peninsula of Michigan, T. D. A. Cockerell; Scientific Papers of the University of Michigan

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Descriptions and Records of Bees - LXXI, T. D. A. Cockerell; Annals and Magazine of Natural History

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Descriptions and Records of Bees - LXXII, T. D. A. Cockerell; Annals and Magazine of Natural History

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Descriptions and Records of Bees - LXXIV, T. D. A. Cockerell; Annals and Magazine of Natural History

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New and Little-Known Bees, T. D. A. Cockerell; The Entomologist

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New and Little Known Bees from California, T. D. A. Cockerell; Pomona Journal of Entomology and Zoology

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New Tertiary Insects, T. D. A. Cockerell; Proceedings U. S. National Museum

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Report on a Collection of South African Bees, Chiefly from Natal, T. D. A. Cockerell; Annals of the Durban Museum

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Some Bees from Australia, Tasmania, and the New Hebrides, T. D. A. Cockerell; Proceedings of the Academy of Natural Sciences of Philadelphia

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Some Bees from British Guiana, T. D. A. Cockerell; Scientific Papers of the University of Michigan

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Some Bees from Colorado, T. D. A. Cockerell; The Entomologist

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Some Bees from Madagascar, T. D. A. Cockerell; The Canadian Entomologist

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Some Bees in the British Museum, T. D. A. Cockerell; The Canadian Entomologist

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Some California Bees, T. D. A. Cockerell; The Canadian Entomologist

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Some Carpenter Bees (Hym.), T. D. A. Cockerell; Entomological News

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Some Neotropical Parasitic Bees (Hym.), T. D. A. Cockerell; Entomological News

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Some Rocky Mountain Andrenid Bees, T. D. A. Cockerell; The Canadian Entomologist

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Sunflower Insects in California and South Africa, T. D. A. Cockerell; The Canadian Entomologist

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The Bee-genus Halictoides in North America (Hym.), T. D. A. Cockerell; Entomological News

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The Ceratinid Bees of the Philippine Islands, T. D. A. Cockerell; The Philippine Journal of Science

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The Panurgine Bees of the Genera Hesperapis, Zacesta and Panurgomia, T. D. A. Cockerell; Psyche

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Two New Bees from New Jersy, T. D. A. Cockerell; Bulletin of the Brooklyn Entomological Society

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Nine New Species of Hymenoptera, J. C. Crawford; Insecutor Inscitiae Menstruus

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Some American Hymenoptera, J. C. Crawford; Proceedings of the Entomological Society of Washington

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Some New American Hymenoptera, J. C. Crawford; Insecutor Inscitiae Menstruus

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The Cresson Types of Hymenoptera, Ezra Townsend Cresson; Memoirs of the American Entomological Society

1915

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Animals and Plants Described as New from Colorado in 1912, 1913, and 1914, T. D. A. Cockerell; University of Colorado Studies

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A Wasp Resembling a Bee (Hym.), T. D. A. Cockerell; Entomological News

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Bees from the Philippine Islands, T. D. A. Cockerell; The Entomologist

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Descriptions and Records of Bees - LXIX, T. D. A. Cockerell; Annals and Magazine of Natural History

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Descriptions and Records of Bees - LXV, T. D. A. Cockerell; Annals and Magazine of Natural History

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Descriptions and Records of Bees - LXVI, T. D. A. Cockerell; Annals and Magazine of Natural History

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Descriptions and Records of Bees - LXVII, T. D. A. Cockerell; Annals and Magazine of Natural History

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Descriptions and Records of Bees - LXVIII, T. D. A. Cockerell; Annals and Magazine of Natural History

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Descriptions and Records of Bees - LXX, T. D. A. Cockerell; Annals and Magazine of Natural History

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Habits of Xenoglossa brevicornis, T. D. A. Cockerell; Entomological News

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New Californian Bees, T. D. A. Cockerell; Pomona Journal of Entomology and Zoology

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Notes on Orchids, T. D. A. Cockerell; Botanical Gazette

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Notes on Some Bees from Virginia, T. D. A. Cockerell; Proceedings of the Entomological Society of Washington

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The Real Trigona dorsalis Smith Rediscovered (Hym.), T. D. A. Cockerell; Entomological News

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Descriptions of New Hymenoptera, No. 9, J. C. Crawford; Proceedings of the United States National Museum

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The Bee Genus Holcopasites Ashmead, J. C. Crawford; Insecutor Inscitiae Menstruus

1914

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A New Fossorial Wasp from Queensland, T. D. A. Cockerell; The Canadian Entomologist

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A New Wasp from Colorado (Hym.), T. D. A. Cockerell; Entomological News

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A New Wasp from the Philippine Islands, T. D. A. Cockerell; The Canadian Entomologist

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Australian Bees of the Family Prosopididæ, T. D. A. Cockerell; Insecutor Inscitiae Menstruus

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Bees From Ecuador and Peru, T. D. A. Cockerell; Journal of the New York Entomological Society

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Bees Visiting Helianthus, T. D. A. Cockerell; The Canadian Entomologist

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Bees Visiting Thurberia, T. D. A. Cockerell; Proceedings of the Entomological Society of Washington

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Descriptions and Records of Bees - LIX, T. D. A. Cockerell; Annals and Magazine of Natural History

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Descriptions and Records of Bees - LVI, T. D. A. Cockerell; Annals and Magazine of Natural History

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Descriptions and Records of Bees - LVII, T. D. A. Cockerell; Annals and Magazine of Natural History

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Descriptions and Records of Bees - LVIII, T. D. A. Cockerell; Annals and Magazine of Natural History

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Descriptions and Records of Bees - LX, T. D. A. Cockerell; Annals and Magazine of Natural History

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Descriptions and Records of Bees - LXI, T. D. A. Cockerell; Annals and Magazine of Natural History

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Descriptions and Records of Bees - LXII, T. D. A. Cockerell; Annals and Magazine of Natural History

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Descriptions and Records of Bees - LXIII, T. D. A. Cockerell; Annals and Magazine of Natural History

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Descriptions and Records of Bees - LXIV, T. D. A. Cockerell; Annals and Magazine of Natural History

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Names applied to the North American Bees of the Genera Lithurgus, Anthidium, and Allies, T. D. A. Cockerell; Proceedings of the United States National Museum

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New and Little Known Bees, T. D. A. Cockerell; The Entomologist

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New North American Bees of the Genus Andrena, T. D. A. Cockerell and Henry L. Viereck; Proceedings of the United States National Museum

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Hymenoptera, Superfamilies Apoidea and Chalcidoidea of the Yale-Dominican Expedition of 1913, J. C. Crawford; Proceedings of the United States National Museum

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Some Species of the Bee Genus Coelioxys, J. C. Crawford; Annals Entomological Society of America

1913

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A New Bee of the Genus Emphor, T. D. A. Cockerell; Psyche

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A Small Collection of Bees from Tasmania, T. D. A. Cockerell; Proceedings of the Linnean Society of New South Wales

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Australian Bees. i. A New Crocisa, with a List of the Australian Species of the Genus, T. D. A. Cockerell; Proceedings of the Linnean Society of New South Wales