PAL^EONTOLOGICAL APPENDIX— EXTINCT EODENTIA. 949 



HYDROCHCERID^. 



HYDROCHCERUS JESOPl Leidy. 



Orom'js waopi Leidy, Proc. Acad. Nat. Sci. Phila. 1853, 241. 



Hydrochcerus ersopi Leidy, Proc. Acad. Nat. Sci. Pbila. 1856, 165 ; Holmes's Post- pliocene Fossils of South 

 CaroliDa, 1860, 112, pi. sxi, figs. 3-6; Joum. Acad. Nat. Sci. Phila, 2d ser. vii, 1869, 407. 



Described from teeth found in Ibe. Post-pliocene deposit of the Ashley Biver, 

 near Charleston, South Carolina. 



GLIRES DUPLICIJDENTATI. 



LEPORINE. 



PALvEOLAGUS HAYDENI Leidy. See anka, p. 373. 

 PAL.EOLAGUS AGAPETILLUS Cope. See antea, p. 375. 

 PALyEOLAGUS TURGIDUS Cope. See anka, p. 375. 

 PAL^OLAGUS TRIPLEX Cope. See anka, p. 375. 

 PANOLAX SANCT^FIDEI Cope. See antca, p. 376. 

 PRAOTHERIUM PALATINUM Cope. See ankd,, p. 377. 



