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NEW EPHEMERIDAE FROM ILLINOIS*
Published online by Cambridge University Press: 31 May 2012
Extract
Through the courtesy of Dr. S. Forbes I have recently had the opportunity of working over the Ephemerid material contained in the collection of the Illinois State Natural History Survey at Urbana, Ill. In this connection I offer the following descriptions of species which appear to be undescribed, as well as a note on a Mexican species, the identity of which has been doubtful.
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- Copyright © Entomological Society of Canada 1924
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* Contribution from the Division of Systematic Entomology, Entomological Branch, Dept. of Agric., Ottawa.
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