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Published online by Cambridge University Press: 01 May 2009
The accompanying section (Plate XXII) will serve to show, diagrammatically (after Dr. Ami), the succession of the Cambrian rocks at Mount Stephen and Mount Field, B.C., and the position of the Trilobite bed on the flanks of Mount Stephen (referred to on p. 503) from which Mr. Whymper's collection was obtained.
Read before the British Association for the Advancement of Science (Section C, Geology), Belfast, September 11th, 1902.