On modern concretions from the St. Lawrence
Subtitle: with remarks on cylinders found in the Potsdam sandstone
By: by Rev. Prof. Kavanagh.
Series: CIHM/ICMH microfiche series -- no. 24794.
Publisher: s.n.
Published: 1981
Place of publication: [S.l
Language: eng
Format: Microform
Number of pages: 294
Subjects: Paleobotany -- Canada.; Dicotyledons.
Other titles: Canadian record of science.
Notes: Caption title.

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

Pre-1900 Canadiana.

"Reprinted from the Canadian record of science, January, 1889."

Microfiche. Ottawa : Canadian Institute for Historical Microreproductions, 1981. 1 microfiche (5 fr.) ; 11 x 15 cm. (CIHM/ICMH Microfiche series = CIHM/ICMH collection de microfiches ; no. 24794).