Contributions to the stratigraphy and palaeontology of the Goshen Hole Area, Wyoming. III. A new basal Oligocene Formation, pp. 71-93 8 pls. 10 text-figs. IV. New Vertebrates and the stratigraphy of the Oligocene and the early Miocene pp. 97-189 2 maps 39 pls. 12text-figs. Bulletin of the Museum of Comparative Zoology, 76 1935: Unpaginated. [Zoological Record Volume 72]