448 Bucastor, Mylagaulus, Trogontherium, Steneofiber. 



505. fEucastor, Leidy, 1858. 



2508.ftortus, Leidy, Proc.Ac.PhiL, 1858, p.23; fMiocaen. America 

 Ext.Mam.Faun., 1869, p. 341, 405, pl.26, sept., Nebraska. 



flg. 21, 22; Allen, Kod., 1877, p. 449. 



506. f Mylagaulus, Cope, 1881. 



2509. fsesquipedalis, Cope, Amer. Nat., 1881, fPliocaen. Oregon. 

 p. 586. 



2510. f monodon, Cope, Am. Nat., 1881, p. 586. fPliocaen. Nebraska. 



507. f Trogontherium, Fischer, 1809. 



Castor, p., Cuv., 1812; Diabroticus, Pomel; Conodontes, Lartet. 



2511. f Cuvieri, Fisclier; exCuv., Rech. Oss.Foss., fPliocaen. Europa, 

 1812, V, pl. III, fig. 11, 12; Owen, 1846 Belgia, Gallia, 



(partim.); Newton, Geol. Mag., VLTI, p. 256; Ins. Britannia. 



Trans. Zool. Soc, 1892, XIII (nec Pict., 

 nec Gerv.). 



Schmerlingii, Pomel, Bibl. Univ. Genev., » 



Arch., 1848, p. 167; Gervais, Zool. et Pal. 

 Gen., 1867, I. p. 80, 104 (Conodus); 

 »Agouti,« Schmerl. 



Boisvilleti, Lartet; Laugel, 1862; Gerv., » 



1867. 



veterior, Lankest.. Ann.Nat.Hist., 1864. » 



p. 355, pl.VIII. 



2512. f minus. Newton, Quart.Journ.Geol.Soc., fPliocaen. 

 1890, p. 447, pl.XVIH, fig. 5, 6. I. Britannia. 



2513. fsp. vel gen.. Lydekk.. Cat.Mam.Foss., f Pleistocaen. 

 I, 1885. p. 221, fig. 30. I. Britannia. 



508. fSteneoflber, E. Geoff., 1833. 



Casior, p.. Gerv. et Auct.; Chalicomys, Kaup. 1839; Chelodus et Aula- 



codon, Kp., 1839; Castoromys, Pomel, 1853; Steneotherium, E. Geoff. ; 



Palaeocastor, Leidy. 1869; Chloromys, Meyer. 



2514. f Eseri. v.Meyer, .Tahrb.Min.. 1838, p.414; f Miocaen. Europa. 

 1846. p. 474*; Schloss.. Pal., 1884. p. 21. Gallia, Germania. 

 pl. VI. 



