Jour. of the West 2(4): 377-400. 5 figs. Oct. 1963.

–Biographical sketch of Lorenzo G. Yates, including an account of the discovery of the first Desmostylus specimens in a boulder in the bed of Alameda Creek in 1869. Marsh's holotype, however, evidently came from a hill near Arroyo del Valle, 5-6 miles south of Livermore, and a mile or so south of Cresta Blanca Winery, Alameda County, Calif. Fig. 1 reproduces Yates' broadside (1877) describing the find (387-389).