592 



FOSSIL VERTEBRATA OF NORTH AMERICA. 



[BULL. 179. 



Priscodelphinus ruschenbergeri Cope. 

 Cope, E. D. 1868 I, p. 189. (Delphinapterus.) 

 Brandt, J. F. 1873 A, p. 287. (Tretosphys.) 

 Cope, E. D. 1869 G, pp. 7, 9. (Tretosphys.) 



1890 E, p. 615. 



Leidy, J. 1869 A, p. 435. (Tretosphys.) 

 Roger, O. 18% A, p. 78. 

 Trouessart, E. L. 1898 A, p. 1024. 

 Van Beneden and Gervais 1880 A, p. 512. (Tre- 

 tosphys.) 

 Miocene; Maryland. 



Priscodelphinus urseus Cope. 

 j Cope, E. D. 1869 G, pp. 7, 8. (Tretosphys.) 

 Brandt, J. F. 1873 A, p. 287. (Tretosphys.) 

 Cope, E. D. 1875 H, p. 363. 



1890 E, p. 615. 



Leidy, J. 1869 A, p. 435. (Tretosphys.) 

 Roger, O. 18% A, p. 78. 

 Trouessart, E. L. 1898 A, p. 1024. 

 Van Beneden and Gervais 1880 A, p. 512. 

 Miocene; New Jersey, Maryland. 



ZARHACHIS Cope. Type Z. flagdlator Cope. 



Cope, E. D. 1868 I, pp. 186,189. 



1869 G, p. 9. 



1890 E, p. 604. 

 Leidy, J. H. 1869 A, p. 435. 

 Trouessart, E. L. 1898 A, p. 1024. 

 Zittel, K. A. 1893 B, p. 172. 



Zarhachis flagellator Cope. 

 Cope, E. D. 1868 I, p. 189, in part. 

 Brandt, J. F. 1873 A, p. 287. 

 Cope, E. D. 1869 G, p. 9. 



1890 E, p. 615. 

 Leidy, J. 1869 A, p. 435. 

 Roger, 0. 18% A, p. 78. 

 Trouessart, E. L. 1898 A, p. 1024. 

 Van Beneden and Gervais 1880 A, p. 512 

 Miocene; Maryland, 



Zarhachis tysonii Cope. 

 Cope, E. D. 1869 G, p. 9. 



Brandt, J. F. 1873 A, p. 288. 



Cope, E. D. 1868 I, p. 189. (Z. flagellator, in part.) 



1890 E, p. 615. 

 Leidy, J. 1869 A, p. 435. 

 Roger, O. 18% A, p. 78. 

 Trouessart, E. L. 1898 A, p. 1025. 

 Van Beneden and Gervais 1880 A, p. 512. 

 Miocene; Maryland. 



Zarhachis velox Cope. 



Cope, E. D. 1869 G, pp. 9, 10. 



Brandt, J. F. 1873 A, p. 288. 



Cope, E. D. 1868 I, p. 189. (Z. flagellator, in part.) 



1875 H, p. 363. 



1890 E, p. 615. 

 Leidy, J. 1869 A, p. 615. 

 Roger, 0. 18% A, p. 78. 

 Trouessart, E. L. 1898 A, p. 1025. 

 Van Beneden and Gervais 1880 A, p. 512. 

 Miocene; Maryland. 



IXACANTHUS Cope. Type L ccelospondylus Cope. 



Cope, Et D. 1868 G, p. 159. 

 Brandt, J. F. 1873 A, p. 286. 

 Cope, E. D. 1868 I, p. 187. 



1875 H, p. 364. (Belosphys, type B. spino- 



. -4, 615. 



Leidy, J. 1869 A, p. 435. 

 Trouessart, E. L. 1898 A, p. 1025. 

 Zittel, K. A. 1893 B, p. 172. 



Ixacanthus atropius Cope. 

 Cope, E. D. 18681, p. 188. (Priscodelphinus.) 

 Brandt, J. F. 1873 A, p. 286. (Priscodelphinus.) 

 Cope, E. D. 1869 G, p. 6. (Priscodelphinus.) 



1875 H, p. 364. (Belosphys.) 



1890 E, p. 615. 



Leidy, J. 1869 A, p. 433. ( Priscodelphinus. ) 

 Roger, O. 18% A, p. 78. 

 Trouessart, E. L. 1898 A, p. 1026. 

 Van Benedeu and Gervais 1880 A, p. 511. (Prisco- 

 delphinus.) 

 Miocene; Maryland. 



Ixacanthus ccelospondylus Cope. 

 Cope, E. D. 1868 G, p. 169. 

 Brandt, J. F. 1873 A, p. 288. 

 Cope, E. D. 1868 I, p. 187. 



1869 N, p. 739. 



1875 H, p. 364. 



Leidy, J. 1869 A, p. 435. 

 Trouessart, E. L. 1898 A, p. 1025. 

 Van Beneden and Gervais 1880 A, p. 513. 

 Miocene; Maryland, New Jersey?. 



Ixacanthus conradi (Leidy). 

 Leidy, J. 1852 B, p. 35. (Delphinus.) 

 Brandt, J. F. 1873 A, p. 286. (Priscodelphinus.) 

 Cope, E. D. 1868 I, p. 188. (Priscodelphinus.) 

 1875 H, p. 364. (Belosphys.) 

 1890 E, p. 615. 



Leidy, J. 1"69 A, p. 433. (Priscodelphinus.) 

 Roger, 0. 18% A, p. 79. 



Trouessart, E. L. 1898 A, p. 1025 (I. ccelospon- 

 dylus); p. 1032 (Delphinus conradi). 

 Van Beneden and Gervais 1880 A, p. 611. (Pris- 

 codelphinus.) 

 Miocene; Virginia, Maryland. 



Ixacanthus spinosus Cope. 

 Cope, E. D. 1868 I, p. 187. (Priscodelphinus.) 

 Brandt, J. F. 1873 A, p. 286. ( Priscodelphinus. ) 

 Cope, E. D. 1875 H, p. 364. (Belosphys.) 



1890 E, p. 603, fig. 1; p. 615. 

 Leidy, J. 1869 A, p. 433. (Priscodelphinus.) 

 Roger, O. 18% A p. 78. 

 Trouessart, E. L. 1898 A, p. 1025. 

 Van Beneden and Gervais 1880 A, p. 511. (Prisco- 

 delphinus.) 

 Miocene; Maryland. 



