448 
Eucastor, Mylagaulus, Trogonthorium, Stenoofiber. 
505. t Eucastor, Leidy, 1858. 
2508. ftortus, Leidy, Proo. Ac. Tdiil., 1858. p.2,3- 
Ext.Mam.Faun., 1869, p. 341, 405, pl. 26’ 
fig. 21, 22; Allen, Eod., 1877, p. 449. 
t Miocaeii. America 
sept., Nebraska. 
506. tMylagaulus, Cope, 1881. 
2o09.tses,„ipeda|is, Copo. Amor.N.t, 1881, tPliocoo. Orogo,,. 
BSlO.tinonodoo, Copo, Am. N»t, 1881, p. 586. t HiocMn. Nobrasko. 
507. t Trogontherium, Fisclier, 1809. 
justm , p., Cuv., 1812; DiaJiroticus, Pomel; Conodontes, Lartet. 
2511.i-Cuvieri, Flschcr; ex Cuv., Kecli.Oss.Foss., 
1812, V, pl. III, fig. 11, 12; Owen, 1846 
(partim.); Newton, GeoI.Mag., VIII, p 256- 
Trans. Zool. Soc., 1892, XIII (.mc Piet.; 
nec Gerv.). 
t Pliocaen. Europa, 
Belgia, Gallia, 
Ins. Britannia. 
ScJimerlingii, Pomel, Bibi. Univ. Genev., 
Arch., 1848, p. 167; Gervais, Zool. et Pal 
Gtn;., 1867, I, p. 80, 104 (Conodus); 
»Agouti,<( Scbmerl. 
BoisviUeti, Lartet; Laugel, 1862; Gerv., 
1867. 
veterior, Lankest., Ann. Nat. Hist.. 1864 
p. 355, pl. vni. 
2512. t minus, Newton, Quart. Jourii. Gool. Soc., 
1890, p.447, pl.XVIII, fig. .5, 6. 
2513. tsp. vel gen., Lydekk., Cat. Alam. Foss., 
1, 1885, p. 221, %. 30. 
t Pliocaen. 
1. Britannia. 
t Pleistocaen. 
I. Britannia. 
508. fSteneofiber, E. Geoff., 1833. 
Castor,^ Gerv. et Anet.; Chalicomys, Kaup, 1839; Chelodus Qi Aula- 
codon, Kp., 1839; Castoromys, Pomel, 1853; Steneotherium, E Geoff.- 
Palaeoca^toT, Leidy, 1869; Chloromys, Meyer 
2514.tEseri, v.Meyer, Jahrb. Alin., 1838, p.414- 
1846, p. 474; Schloss., Pal., 1884, p 2l’ 
pLVI. ’ r- , 
t Miocaen. Europa. 
Gallia, Germania. 
