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Further studies on the Opalinid ciliate infusorians and their hosts

Published in Proceedings of The United States National Museum, in 1940, in volume 87, pages 465-634

Trematodes from fishes mainly from the Woods Hole region, Massachusetts

Published in Proceedings of The United States National Museum, in 1940, in volume 88, pages 1-172

Cestocrinus, a new fossil inadunate crinoid genus

Published in Proceedings of The United States National Museum, in 1940, in volume 88, pages 221-224

Notes on some pedunculate barnacles from the North Pacific

Published in Proceedings of The United States National Museum, in 1940, in volume 88, pages 225-236

Revision of the chalcid-flies of the tribe Chalcidini in America north of Mexico.

Published in Proceedings of the United States National Museum, in 1940, in volume 88, pages 237-354

New genera and species of Ichneumon-flies with taxonomic notes

Published in Proceedings of the United States National Museum, in 1940, in volume 88, pages 355-372

The scolytid beetles of the genus Renocis Casey, with descriptions of nine new species

Published in Proceedings of The United States National Museum, in 1940, in volume 88, pages 373-401

Two new genera and three new species of cheilodipterid fishes, with notes on the other genera of the family

Published in Proceedings of the United States National Museum, in 1940, in volume 88, pages 403-423

A contribution to the knowledge of the Eucharidae (Hymenoptera: Chalcidoidea).

Published in Proceedings of the United States National Museum, in 1940, in volume 88, pages 425-458

The Ichneumon-flies of the subfamily Neorhacodinae, with descriptions of a new genus and three new species

Published in Proceedings of the United States National Museum, in 1940, in volume 88, pages 523-527

Notes on the birds of Kentucky

Published in Proceedings of The United States National Museum, in 1940, in volume 88, pages 529-574

Seven new species and one new genus of hydroids, mostly from the Atlantic Ocean

Published in Proceedings of The United States National Museum, in 1940, in volume 88, pages 575-580

A prehistoric roulette from Wyandotte County, Kansas

Published in Proceedings of The United States National Museum, in 1940, in volume 88, pages 581-586

A review of the parasitic Crustacea of the genus Argulus in the collections of the United States National Museum

Published in Proceedings of the United States National Museum, in 1940, in volume 88, issue 3087, pages 459-522

The west American Haliotis

Published in Proceedings of The United States National Museum, in 1940, in volume 89, pages 49-58

Revision of the scarabaeid beetles of the Phyllophagan subgenus Listrochelus of the United States, with discussion of related subgenera

Published in Proceedings of the United States national Museum. Washington, in 1940, in volume 89, pages 59-130

Seven new crayfishes of the genus Cambarus from Florida, with notes on other species

Published in Proceedings of The United States National Museum, in 1940, in volume 89, pages 387-423

A revision of the keyhole urchins (Mellita)

Published in Proceedings of The United States National Museum, in 1940, in volume 89, pages 435-444

Eurhoptodes, a remarkable new genus of Philippine cryptorhynchine weevils

Published in Proceedings of The United States National Museum, in 1940, in volume 89, pages 445-448

A revision of the West Indian beetles of the Scarabaeid subfam Aphodiinae

Published in Proceedings of the United States national Museum. Washington, in 1940, in volume 89, issue 3092, pages 1-41

Two new amphibians from Mexico

Published in Proceedings of the United States National Museum, in 1940, in volume 89, issue 3093, pages 43-49