London: Beadle and Company, 1865. 3-128pp. 12mo. Dbd. Internally clean. Very good. Item #WRCAM28199
Later London edition, after the first of New York. Graff does not cite a year of publication for the New York or present editions, however it is noted that the original publisher, Sinclair Tousey, founded his firm in 1864. "ON THE PLAINS was originally two stories published under the pseudonym Latham C. Carleton, 'The Hunters' and 'The Trappers' Retreat'" - Graff. GRAFF 1237 (another ed).