Deinodon horridus, Leidy Deinodon horridus, Leidy. 1856. Proc. Acad. Nat. Sci. Philadel, vol. viii, p. 72. “ “ Leidy. 1860. Trans. Amer. Philos. Soc. Extinct Vertebrata from the Judith River and Great Lignite formations of Nebraska, p. 143, pl. 9. A number of megalosauroid teeth, the largest of which measures 90 mm. on its convex curve, are referred to this species. The general shape of the teeth and the serrations agree closely with some of Leidy’s figured types, viz., those shown in figures 21 to 32 of plate 9 of the above quoted work. A few phalanges (including terminal ones) and a metatarsal with fragments of others, are probably also referable to this species. Belly River series, Red Deer river, 1897, 1898, 1901. That Le...