HAY.] 



CATALOGUE. 



441 



OSTEOPYGIS Cope. Type 0. emarginatus Cope. 



Cope, E. D. 1868 E, p. 147. 

 Baur, G. 1889 A, p. 186. 



1889 B, p. 42. 



Case, E. C. 1897 B, pp. 33, 43, 50. 

 Cope, E. D. 18(>9 K. p. 88. (Osteopygis; Propleura, 

 type Chelotic sopita Leidy.) 



1869 M, pp. 132, 235 (Osteopygis); pp. 138, 

 235 (Propleura); pp. 143, 235 (Catapleura, 

 type C. repanda). 

 1875 E, p. 257. 



1882 E, p. 144. (Osteopygis, Propleura, Cata- 

 pleura.) 



1884 O, p_ 112. (Osteopygis, Propleura, Cata- 

 pleura.) 

 Lydekker R. 1889 A, p. 61. 



1889 D, p. 233. (Lytoloma.) 

 1889 G, p. 52. (Syn.? of Lytoloma.) 

 Nicholson and Lydekker 1889 A, P- 1113. (Lyto- 

 loma.) 

 Zittel, K. A. 1890 A, p. 526. 



Osteopygis chelydrinus Cope. 



Cope, E. D. 1869 K, p. 89. 



1868 E, p. 147. (No description.) 



1869 B, p. 735. (No description.) 

 1869 M, pp. 135, 138, pi. vii, fig. 8. 

 1875 E, p. 259. (Catapleura.) 



Cretaceous; New Jersey. 



Osteopygis emarginatus Cope. 



Cope, E. D. 1869 K, p. 89. 

 1869 B, p. 735. 



1868 E, p. 147. (No description.) 



1869 M, pp. 135, 136, 235, pi. vii, fig. 3. 

 1875 E, p. 2E9. 



Cretaceous; New Jersey. 



Osteopygis erosus Cope. 



Cope, E. D. 1875 E, p. 258. 

 Cretaceous; New Jersey. 



Osteopygis platylomus Cope. 



Cope, E. D. 



1869 B, p. 735. 



1869 M, pp. 135, 137, and ii, figs. 38, 39. 

 1875 E, p. 258. 

 Cretaceous; New Jersey. 



Osteopygis ponderosus (Cope). 

 Cope, E. D. 1871 G, p. 46. (Catapleura.) 



1875 E, p. 259. (Catapleura.) 

 Cretaceous; New Jersey. 



Osteopygis repandus (Cope). 

 Cope, E. D. 1869 M, p. 143, pi. vii, fig. 2. (Cata- 

 pleura.) 



1868 E. (Osteopygis; no description.) 



1869 B, p. 734. < Propleura; no description.) 

 1875 E, p. 259. (Catapleura.) 



Cretaceous; New Jersey. 



Osteopygis sopitus (Leidy). 



Leidy, J. 1865 A, pp. 104, 119. (Chelone; not p. 



105, pi. xix, fig. 5 = Lytoloma angusta Cope.) 

 Cope, E. D. 1868 E, p. 147. (Osteopygis.) 

 1869 B, p. 735. (Propleura. ) 

 1869 K, p. 88. (Propleura.) 

 1869 M, pp. 140, 235, pi. vii, figs. 4-7. (Pro- 

 pleura. ) 

 1875 E, p. 258. 



Maack, G. A. 1869 A, pp. 238, 283. (Chelone.) 

 Cretaceous; New Jersey. 



PERITRESIUS Cope. Type Chelone ornata Leidy. 



Cope, E. D. 18C9 K, p. 88. 



1869 M, p. 150. 



1882 E, p. 144. 



1884 O, p. 112. 



Zittel, K. A. 1890 A, p. 526. 



The systematic position of this genus 

 doubtful. 



Peritresius ornatus (Leidy.) 

 Leidy, J. 185G P, p. 303. (Chelone. ) 



Cope, E. D. 1869 B, p. 735. 

 1869 K, p. 88. 

 1869 M, p. 150. 

 1875 E, p. 260. 

 1878 EE. 

 Leidy, J. 1865 A, pp. 106, 119, pi. xviii, fig. 10. 



(Chelone.) 



Maack, G. A. 1869 A, p. 283. (Chelone.) 

 Cretaceous ; New Jersey, Georgia. 



LYTOLOMA Cope. Type L. angusta Cope. 



Cope, E. D. 1869 K, p. 88. 

 Baur, G. 1889 B, p. 43. 



1889 J, p. 39. (Euclastes.) 

 Case, E. C. 1897 B, pp. 44, 50. 

 Cope, E. D. 1867 A, p. 39. (Euclastes, type E. 

 platyops. ) 



1869 M, pp. 131, 144,235 (Lytoloma) ; pp. 131, 

 148 (Euclastes). 



1882 E, p. 144. 



1884 O, p. 112. - 



1887 R. 



Dames, W. 1894 A, p. 203. 

 Dollo, L. 1888 A. 

 Lydekker, R. 1889 A, p. 61. 



1889 G, p. 51. 



Nicholson and Lydekker 1889 A, p. 1113. 

 Seeley, H. G. 1871 B. (Glossochelys, type 



harvicensis.) 



Wieland, G. R. 1900 B, p. 416, fig. 6. 

 Zittel, K. A. 1890 A, p. 626. (Euclastes.) 



