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![Cover of Traces of the Ordovican [sic] system on the Atlantic coast and organic remains of Little River Group, no. IV by g. f. matthew](https://covers.openlibrary.org/b/id/6988962-M.jpg)
Traces of the Ordovican [sic] system on the Atlantic coast and organic remains of Little River Group, no. IV
By G. F. Matthew

The evolution of insects
By Philip S. Callahan, Ph.D.
Insects from the Tertiary beds of the Nicola and Similkameen rivers, British Columbia
Insects from the Tertiary beds of the Nicola and Similkameen rivers, British Columbia
By Samuel Hubbard Scudder