Notes on some specimens of lower silurian trilobites
By: by E. Billings.
Series: CIHM/ICMH Microfiche series = CIHM/ICMH collection de microfiches -- no. 02304; CIHM/ICMH microfiche series -- no. 02304
Publisher: s.n.
Published: 1870
Place of publication: [S.l
Language: eng
Format: Microform
Number of pages: 10
Subjects: Trilobites.; Paleontology -- Canada.; Trilobites.; Paléontologie -- Canada.