Bulletin - United States National Museum . 1, Chondropoma (Chondropomoriis) hemiotum (Pfeiffer); 2, C. (C.) simplex (Pfeiffer); 3, C.(Wetmorepoma) wetmorei Bartsch; 4, C. (Chondropomorns) olssoni Pilsbry; 5, C. (C)vwroHcnse, new species; 6, C. (C.) pilsbryi pilsbryi, new subspecies; 7, C. (C) , new subspecies; 8, C. (C.) salleanum cookei, new subspecies; 9, C. (C) J. sallea-nmn (Pfeiffer); 10, C. (C.) litturaUim (Pfeiffer). U. S. NATIONAL MUSEUM BULLETIN 192 PLATE 2 ; : ??r:.hi.

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Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience