238 
The American Geologist. 
April, 1891 
C. luxatns Msh 
Dtploclonus gen. nov. Msh. 
D. am/plus Msh. 
Emys cucjlypha Leidy. 
Felis maxima Scott. 
Qlyptodon septentrionulis Leidy. 
Glyptops gen. nov. Msh. 
67. ornatus Msh. 
G-yracanthus incurvus Traq. 
Hippotherium princeps Leidy. 
Hyopotamus dcflectus Msh. 
Limnohyops gen. nov. Msh. 
L. laticeps Msh. 
Macliairodus floridanus Leidy. 
Mastodon rugosidens- Leidy. 
Ornithomimus gen. nov. Msh. 
0. velox Msh. 
Phlyctcenius gen. nov. Traq. 
P. acadicus Wh. 
Pteropelyx gen. nov. Cope. 
P. graUlpes Cope. 
Rhinoceros longipes Leidy. 
Stenogale robusta Cope. 
Teleodus gen. nov. Msh. 
T. ai;us Msh. 
Testudo brontops Msh. 
T. crassiscutata Leidy. 
Trachodon longiccps Msh. 
Triceratops prorsus Msh. 
T. scrratus Msh. 
T. sulcutus Msh. 
Brontotherinm beds of Dakota. 3& 
Brontotherium beds of Dakota. 33. 
Florida. *1889. 19. 
Loup Fork of Kansas. 43. 
Florida. *1889, 19. 
Atlantosaurus beds of Wyoming. 34. 
Devonian of Canada. 48. 
Peace Creek, Fla. 23. 
Brontotherium beds of Dakota. 33. 
Brontotherium beds of Dakota. 33. 
Ocalamarion Co., Fla. 20. 
Beaufort Co., S. C. 26. 
Ceratops beds of Colorado. 32. 
Devonian of Canada. 46. 
Laramie of Montana. 7. 
Peace Creek, Fla. 23. 
Loup Fork of Nebraska. 10. 
Brontotherium beds of Dakota. 33. 
Lower Miocene of Dakota. 34. 
Peace Creek, Fla. 21. 
Laramie of Wyoming. 30. 
Ceratops beds of Wyoming. 32. 
Ceratops beds of Wyoming. 32. 
Ceratops beds of Wyoming. 30. 
HAS "NEWARK" PRIORITY AS A GROUP NAME. 
By Israel C. Russell, Washington. 
In a brief paper on the Newark system published in this journal 
about two years since,* I proposed a revival of "Newark" as a 
group name for the reddish-brown sandstones and shales and asso- 
ciated trap rocks of the Atlantic coast region, which had previously 
been quite generally referred to the Triassic and Jurassic. A long 
list of names was presented that had been used to designate the 
rocks in question ; nearly all of which implied correlation with 
European terranes, ranging from the Silurian to the Jurassic. The 
*Vol. 3, 1889, pp, 178-182. 
* Am. Geol. 5, April, 1889, p. 851. 
