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 = CIHM/ICMH collection de microfiches -- no. 24794; CIHM/ICMH microfiche series -- no. 24794
Publisher: s.n.
Published: 1889
Place of publication: [S.l
Language: eng
Format: Microform
Subjects: Dicotyledons; Paleobotany -- Canada; Dicotyledones; Paléobotanique -- Canada
Notes: Caption title.

"Reprinted from the Canadian Record of Science, January, 1889."

Filmed from a copy of the original publication held by the Library, Geological Survey of Canada. Ottawa : Canadian Institute for Historical Microreproductions, 1981.

p. [292]-294.