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Cambridge, Mass. Oct. 30, 1877

My dearest - Your of 2nd? last? July to hand read with great interest. I am pleased to find that we are in harmony in respect - to the general question of migrations of Bisons. I have time now for only a word about the “Mountain” Bison. My views are quite fully expressed in relation to this supposed “race”, “variety”, or “species”, as variously considered by different persons, at pp. 447, 448 of Hayden's reprint. I have given this question careful attention, have examined and measured specimens in various parts of South Park, Col. and the