The crawfishes of the state of Pennsylvania
By: by Arnold E. Ortmann.
Contributors: Carnegie Museum.
Series: Memoirs of the Carnegie Museum -- vol. 2, no. 10.; Memoirs of the Carnegie Museum -- vol. 2, no. 10.
Publisher: Published by the authority of the Board of Trustees of the Carnegie Institute
Published: 1906
Place of publication: Pittsburgh
Language: eng
Number of pages: 533
Subjects: Crustacea -- Pennsylvania.
Notes: "A continuation of, and an enlargement upon 'The crawfishes of western Pennsylvania' published in the annals of the Carnegie Museum, vol. 3, 1905, p. 30 et seq."--cf. p. 343.

Includes bibliographical references (p. 513-517) and index.