260 

 PERITRESIUS, Cope. 



Extinct Batracbia and Roptilia of North America, li-i/O, p. 150. 



Peiutresius ornatus, Leidy, Cope. 



L. c, Loidy, Cretaceous Reptiles of the United States, p. 30;!, Plate XVIII, lig. 10. 



Greensand No. 1 of New Jersey. 



PNEUMATARTHRUS, Cope. 



Proceedings of the Anierie.in Philosophical Society, 1870, p. 41(). 



Pneumatarthrus peloehus, Cope, /. c. 



Young IHadrosanrm, Leidy, Cretaceous Reptiles of the United States, p. 10(1, Pi.ato XIII, figs. 

 27-28. 



G-reensand ?No. 4, Momnoutli County, New Jersey. 

 TOXOCHELYS, Cope. 



Proceedings of the Academy of Natural Sciences, Philadelphia, 1S73, p. 10. 



ToxociiELYS LATiREMis, Cope, I. c. Plate VIII, figs. 1, 2. 



tCijnocercus incisiis, Cope, 1. c, 1872, p. 129; Leidy, Report of the United States Geological 

 Survey of the Territories, I, p. 279, Table XXXVI, figs. 17-21. 



Niobrara Cretaceous of Kansas. 



CYNOCERCUS, Cope. 



Proceedings of the American Philosophical Society, 1872, 308. 



CyNOCERCUS iNCisus, Cope, I. c. Plate VIII, figs. 3-5. 

 Niobrara Cretaceous of Kansas. 



TRIONYX, Geoffr. 

 TiuoNYX FOVEATUS, Lcidy. 



Proceedings of the Academy of Philadelphia, 185G, 73 ; Transactions of the American Philo- 

 .sophical Society, ISliO, 146, Table XI, ligs. 1-2. 



Fort Union epoch of Judith River, Montana. 

 Trionyx vagans, Cope. Plate VI, figs. 13, 14. 



llayden's Ijulletiu of the United States Geological Survey, No. 2, p. 29, 1874. 



Fort Union epoch of Colorado, Montana, and Nebraska. 

 Trionyx priscus, Leidy. 



Proceedings of the Academy of Natural Sciences, 1851, p. 329 ; Cretaceous Reptiles of tho 

 United States, 18G5, 113, Plate XVIII, fig. 9. 



Grcensand, No. 4, of New Jersey. 



