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Document Type

Research

Abstract

This paper gave a resume of the known facts in the geographical distribution of these small Unios and proposed the reduction of a number of forms to synonymy.

Publication Date

1888

Journal Title

Proceedings of the Iowa Academy of Sciences

Volume

1

Issue

Pt. 1

First Page

45

Last Page

51

Copyright

© Copyright 1888 by the Iowa Academy of Science, Inc.

Language

en

File Format

application/pdf

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