Classification of the Cambrian system of North America
By: by C.D. Walcott.
Publisher: s.n.
Published: 1987
Place of publication: [S.l
Language: eng
Format: Microform
Number of pages: 14
Subjects: Paleontology -- Cambrian.
Other titles: American journal of science.
Notes: Cover title.

"[From the American Journal of Science, Vol. XXXII, August, 1886.]"--p. [138].

Filmed from a copy of the original publication held by the Library, Geological Survey of Canada. Ottawa : Canadian Institute for Historical Microreproductions, 1987.

p. [138]-157 : ill. ; 23 cm.