On the Cambrian faunas of North America
Subtitle: preliminary studies
By: by Charles Doolittle Walcott.
Contributors: United States. Geological Survey.
Series: CIHM/ICMH Microfiche series = CIHM/ICMH collection de microfiches -- no. 14746; CIHM/ICMH microfiche series -- no. 14746; Bulletin of the United States geological survey
Publisher: G.P.O.
Published: 1884
Place of publication: Washington
Language: eng
Format: Microform
Number of pages: 55
Subjects: Paleontology -- Cambrian.; Arthropoda, Fossil -- Canada.; Arthropoda, Fossil -- United States.; Paléontologie -- Cambrien.; Arthropodes fossiles -- Canada.; Arthropodes fossiles -- États-Unis.