Papers in the Biological Sciences
Date of this Version
10-1919
Abstract
About ninety genera of Hydrachnidae are now recognized, with some eight hundred species. About one-fourth of these species belong to the single genus Arrhenurus. Fifty-five have been described for North America, chiefly from the upper Mississippi valley. This paper adds one new species.
Comments
Published in Transactions of the American Microscopical Society, Vol. 38, No. 4 (October 1919), pp. 275 -281.