On Trionyx foveatus, Leidy, and Trionyx vagans, Cope, from the Cretaceous rocks of Alberta
By: by Lawrence M. Lambe.
Contributors: Geological Survey of Canada.
Series: CIHM/ICMH Microfiche series = CIHM/ICMH collection de microfiches -- no. 65221
Publisher: S.E. Dawson
Published: 1997
Place of publication: Ottawa
Language: eng
Format: Microform
Number of pages: 12
Subjects: Trionyx.; Paleontology -- Alberta -- Cretaceous.
Notes: Cover title.

At head of title: Geological Survey of Canada.

"Reprinted from the Summary Report for the year 1901."

Filmed from a copy of the original publication held by the British Columbia Legislative Library, Victoria. Ottawa : Canadian Institute for Historical Microreproductions, 1997.

6 p. : ill. ; 25 cm.