Notes on some specimens of lower silurian trilobites
By: by E. Billings.
Publisher: s.n.
Published: 1980
Place of publication: [S.l
Language: eng
Format: Microform
Number of pages: 10
Subjects: Trilobites.; Paleontology -- Canada.
Other titles: Quarterly journal of the Geological Society.
Notes: Caption title.

"From the Quarterly Journal of the Geological Society for November 1870".

Includes bibliographical references.

Filmed from a copy of the original publication held by the Library of the Public Archives of Canada. Ottawa : Canadian Institute for Historical Microreproductions, 1980.

p. [479]-486 : ill.