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A MONOGRAPH OF THE WESTERN HEMISPHERE BUMBLEBEES (HYMENOPTERA: APIDAE; BOMBINAE). I

Published online by Cambridge University Press:  31 May 2012

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Abstract

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Type
Other
Copyright
Copyright © Entomological Society of Canada 1971

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Footnotes

1

Supported in part by Penrose Fund Grants No. 1931 (1955) and No. 2640 (1959) both from the American Philosophical Society, Philadelphia, Pa., and by G-13012 (1960) from the National Science Foundation, Washington, D.C. The writer expresses his sincere thanks for this financial assistance.