TYPE-SPECIMENS OF FOSSIL VEETEBRATES. 75 



4097. Palaeotheca polycypha Cope. Cotypes. 



Vertebral and marginal bones. Bridger (Eocene). Wyo- 

 ming. 



Cope, Pal. Bull. No. 1, 1872, p. 4; Proc. Amer. Phil. Soc, XII, 

 1872, p. 463. 



= Emys polycypha. 



2107. Palaeotheca terrestris Cope. Type. 



Vertebral, episternal, and costal bones. Bridger (Eocene). 

 Wyoming. 



Cope, Pal. Bull. No. 1, 1S72, p. 5; Proc. Amer. Phil. Soc, XII, 1872, 

 p. 464. 



= Emys terrestris. 

 5373. Phytosaurus rostatus (Marsh). See Rhytidodon rostratus. 



1000. Piratosaurus plicatus L-eidy. Type. 



Tooth. Cretaceous. Red River Settlement, 50 miles south 

 of Selkirk Settlement, Manitoba. 



Leidy, Smithsonian Contrib. to Knowl., XIV, No. 6, 1865, pp. 29, 

 30, pi. 19, fig. 8. 



2198. Placerias hesternus L,ucas. Type. 



Right humerus. Triassic. Three miles north of Tanners 

 Crossing, Little Colorado River, Arizona. 



Lucas, Proc. U. S. Nat. Mus., XXVII, 1904,^. 194, pi. 4. 



5380. Placosauridae, gen. and sp. undet. 



Fragment of skeleton including dermal and cranial plates, 

 distal end of femur and shaft of humerus. Wasatch 

 (Eocene). New Mexico. 



Cope, Rept. U. S. Geogr. Surv. W. 100th Merid., IV, Pt. II, 1877, pi. 

 32, figs. 26-36. 



1 132: Plastomenus communis Cope. Type. 



Series of costal bones. Wasatch (Eocene). New Mexico. 



Cope, Syst. Cat. Vert. Eocene New Mexico, 1875, p. 35; Rept. U. S. 

 Geogr. Surv.W. 100th Merid., IV, Pt. II, 1877, p. 50, pi. 25, figs. 

 i-ib. 



1 140. Plastomenus communis Cope. Paratype. 



Part of carapace. Wasatch (Eocene). New Mexico. 



Cope, Syst. Cat. Vert. Eocene New Mexico, 1875, p. 35; Rept. U. S. 

 Geogr. Surv. W. 100th Merid., IV, Pt. II, 1877, p. 50, pi. 25, 

 fig- 5- 



1 138. Plastomenus multifoveatus Cope. Plesiotype. 



Costal bone. Wasatch (Eocene). New Mexico. 



Cope, Rept. U. S. Geogr. Surv. W. 100th Merid., IV, Pt. II, 1877, 

 p. 49, -pi. 25, fig. 11. 



= Plastomenus thomasii (fide O. P. Hay). 



1 138. Plastomenus thomasii (Cope). See Plastomenus multifo- 

 veatus. 



