IAY.1 



CATALOGUE. 



325 



Edaphodon solidulus (Cope). 

 C<>1\ K. D. 1869 F, p. 244. (Ischyodus.) 



1875 E, p. 283. (Diphrissa.) 



1875 K. (Diphrissa.) 



Woodward, A. S. 1891 A, p. 86. 



Cretaceous; New Jersey. 



Edaphodon stenobryus (Cope). 

 Cop* E. D. 1875 E, p. 285. (Ischyodus.) 



MYLOGNATHTTS Leidy. 



Leidy, J. 1856 Q, p. 312. 



1860 A, p. 153. 



Nicholson and Lydekker 1889 A, p. 951. 

 Woodward, A. S. 1891 A, p. 86. (Syn. of Eda- 

 phodon.) 



Woodward, A. S. 1891 A, p. 85. 

 Cretaceous; New Jersey. 



Edaphodon tripartitus (Cope). 

 Cope, E. D. 1875 E, pp. 284, 286. ( Ischyodus. ) 



1869 L, p. 314. (I. mirificus, errore.) 

 Woodward, A. S. 1891 A, p. 85. 

 Cretaceous; New Jersey. 



Type M. priscus Leidy. 



Mylogrnathus priscus Leidy. 

 Leidy, J. 1856 Q, p. 312. 

 Cope, E. D. 1875 E, p. 293. 

 Leidy, J. 1860 A, p. 153, pi. xi, figs. 24-30. 

 Woodward, A. S. 1891 A, p. 86. (Edaphodon?.) 

 Eocene (Fort Union); Nebraska. 



BRYACTINUS Cope. Type B. amorphus Cope. 



Cope, E. n. 1875 E, p. 282. 

 Nicholson and Lydekker 1889 A, p. 951. 

 Woodward, A. S. 1891 A, p. 86. (Syn.? of Eda- 

 phodon. ) 



Bryactinus amorphus Cope. 

 Cope, E. D. 1875 E, p. 282, pi. xlv, fig. 12. 

 Woodward, A. S. 1891 A, p. 86. (Edaphodon?.) 

 Cretaceous; New Jersey. 



ISOT^NIA Cope. Type /. neoctesariensis Cope. 



Cope, E. D. 1875 E, p. 293. 

 Nicholson and Lydekker 1889 A, p. 951. 

 Woodward, A. 8. 1891 A, p. 86. (Syn. ? of Eda- 

 phodon.) 



Isotsenia neocaesariensis Cope. 

 Cope, E. D. 1875 E, p. 293. 



Woodward, A. S. 1891 A, p. 86. (Edaphodon?.) 

 Cretaceous; New Jersey. 



LEPTOMYLUS Cope. Type L. densus Cope. 



Cope, E. D. 1869 L, p. 313. 



1875 E, p. 281. 



Nicholson and Lydekker 1889 A, p. 951. 

 Woodward, A. S. 1891 A, p. 87. 



Leptomylus cookii Cope. 



Cope, E. D. 1870 H, p. 384. 



1875 E, p. 382. 



Woodward, A. S.-1891 A, p. 87. 

 Cretaceous; New Jersey. 



Leptomylus densus Cope. 

 Cope, E. D. 1869 L, p. 313. 



1875 E, p. 281. 



Woodward, A. S. 1891 A, p. 86. 

 Cretaceous; New Jersey. 



Leptomylus forfex Cope. 

 Cope, 'E. D. 1875 E, p. 281. 

 Woodward, A. S. 1891 A, p. 87. 

 Cretaceous; New Jersey. 



SPHAGEPOSA Cope. Type ,S". aciculata Cope. 



O>pe, E. I). 1869 F, p. 241. 



187. r E, p. 293. 

 Woodward, A. S. 1891 A, p. 84. 



Sphag-epcea aciculata Cope. 



Cope, E. D. 1869 F, p. 241. 

 1875 E, p. 293. 



Woodward, A. S. 1891 A, p. 84. 

 Cretaceous; New Jersey. 



DICTYORHABDUS Walcott. Type D. priscus Walcott. 



E. (Palsechimsera prisca; 



Walcott, C. D. 1892 A, p. 165. 



Amer. Geologist, 1891 E. ( Palsechimaera; no 

 definition.) 

 The position of the genus is doubtful. 



Dictyorhabdus priscus Walcott. 

 Walcott, C. D. 1892 A, p. 165, pi. iii, figs. 1-6. 



Amer. Geologist li 

 no description.) 

 Cope, E. D. 1893 I. 

 Dana, J. D. 18% A, p. 509, fig. 697. 

 Silurian (Ordovician); Colorado. 



