PLATE XIV Ornithomius altus, Lambe. Fig. l. Posterior dorsal vertebra, viewed from the left, natural size. Page 50 Fig. 2. Caudal vertebral., superior view, natural size. Page 52. Fig. The same, inferior view. Fig. 4. The same, left lateral view. Fig. The saule, posterior view. Fig. G. Distal end of iuetzttarszil III. of left pes, viewed from the front; natural size. Page 50. Fig. 7. The same, posterior view. Fig. ö. Terminal phalanx of pes, side view, natural size. Page 50. Fig. Ü. The same, posterior view. Fig. lo. 'Terminal phalanx of manus, side view; natural size. Page Õf. Fig. ll. The same, posterior view. Fig. 12. - Interior tooth, provisionally associated with O. altus, side view, natural size. Page 53. Fig. 13. Posterior view of the saure, showing the minute deııticulııtioııs on one of the two posterior gariugu, neural spine s, pim-zygapopliysis É, postzygapophysis, n, neural arch, J, diapophysis, _/, facet for chevron hone L', neural canal, c, posterior articular' face of ccntruin. in New genera and species from the Belly River Series (mid-Cretaceous)