North American Vertebrate PaltBontology . 235 
T. prorsus from the "Ceratops"of Colorado. Ornith- 
omvmus velox g. et sp. n. , and Barosaurus lentus g. et 
sp. n. from the Atlantosaurus beds of Dakota. Hadro- 
saurus paucidcns is now referred to Ceratops paucidens. 
33. MARSH, O. C Notice of New Tertiary Mammals. Am. 
J. Sci., 39, June, 1890, pp. 523-25; illustrated. 
The following from the " Brontotherium " beds of 
Dakota are new, Diploclomcs amplus g. et sp. n. Tele- 
odus avus g. et sp. n. Colodon luxatus g. et sp. n. 
Hyopotamus deflectus sp. n. Pidxeosyops laticejis is now 
. referred to a new genus Limnohyops. 
34. MARSH, O- C Notice of some Extinct Testudinata. 
Am. J. Sci., 40, Aug., 1890, pp. 177-79; illustrated. 
Glyptops ornatus g. et sp. n. from the Atlantosaurus 
beds of Wyoming, Adocus punctatus sp. n. from the 
Cretaceous of New Jersey, Testudo hrontops sp. n. from 
the Lower Miocene of Dakota. 
35. MARSH, O. 0. The Skull of a Gigantic Ceratopsidse. 
Geological Magazine, 3, vol. vii, Jan., 1890, pp. 1-5; 
illustrated. 
Describing the Dinosaur Triceratops fiabellatus Msh. 
from Wyoming. 
36. MOORE, J. A Recent find of Castoroides. Am. Nat. . 
24, Aug., 1890, p. 707. 
Announcing the discovery of an almost complete skel- 
eton of C. ohioensis in Indiana. 
37R. NEWBERRY, J. S- The Palaeozoic Fishes of Amer- 
ica. Mon. U. S. Geol. Sur. , vol. xvi, 1889. Review in 
Am. Geol., 6, Nov., 1890. p. 323. 
38. NEWBERRY, J. S. Ibid. Review in Am. J. Sci., 
40, Sept., 1890, pp. 255-56. 
39. NEWBERRY, J. S- On the Genus Oracanthus Ag. 
Abstract in Trans. N. Y. Acad, Sci.. vol. ix, 1890, pp. 
131-33. 
A review of this genus and a description of 0. vetu*ins 
Leidy, from Danville, 111. 
40. OSBORN, H. F. A Review of the Ceraaysian Mammalia. 
Proc. Aead. Natl. Sci. Phila. 1890, pp. 51-62; illus- 
trated. 
A review of the fauna of this period in Fiance, which 
Lemoine considers parallel with the Puerco. 
