Monographs of the Diptera of North America
By: prepared for the Smithsonian Institution by R. Osten Sacken.
Series: Smithsonian miscellaneous collections -- 219.; CIHM/ICMH microfiche series -- no. 26625.
Publisher: The Institution
Published: 1982
Place of publication: Washington
Language: eng
Format: Microform
Number of pages: 345
Subjects: Diptera -- North America.; Insects -- North America.
Notes: "Part IV."

Part of a CIHM set.

Includes index.

Reproduction of original in: Library, Geological Survey of Canada.

Pre-1900 Canadiana.

Microfiche. Ottawa : Canadian Institute for Historical Microreproductions, 1982. 4 microfiches (192 fr.) ; 11 x 15 cm. (CIHM/ICMH Microfiche series = CIHM/ICMH collection de microfiches ; no. 26625).
Table of contents: title: On the North American Tripulidae.