630 Euphilus, Briaromys, Gyriabrus, Colposternnia, Stropliostephanus, Castoroides. 



718. fEuphilus, Amegh., 1889. 



Megamys, p., Am., 1886—1889. 



3875.-j-Burmeisteri, Amegh., Bol. Ac. Cordob., fOligocaen vel 



1886, p. 39; Mam. Fos., 1889, p. 206, Miocaen Argentina. 



pl. 26, tig. 2; Kev. Arg., 1891, p. 240 



et seq. 



3876.fAmbrossetianus. Amegh., Mam. Fos., j-Oligocaen vel 



1889, p. 903, pl. 72, fig. 7. Miocaen Argentina. 



3877. f Kurtzii, Amegh., Mam. Fos., 1889, p. 904, f Oligocaen vel 

 pl. 72, fig. 13. Miocaen Argentina. 



719. f Briaromys, Amegh., 1889. 



3878. f Trouessartianus, Amegh., Mam. Fosil., fOligocaen vel 

 1889, p. 904, pl. 72, fig. 15. Miocaen Argentina. 



720. fGyriabrus, Amegh., 1891. 



3879. f glutinatus, Amegh., Eev. Argent, 1891, fOligocaen vel 



p. 246. Miocaen Argentina. 



721. f Colpostemma, Amegh., 1891. 



3880. fsinuata, Amegh., Eev. Arg., 1891, p. 141, fOligocaen vel 

 fig. 40. Miocaen Argentina. 



722. f Strophostephanus, Am., 1891. 



3881. Iheringi, Am., Eev. Arg., 1891, p. 142. fOligocaen vel 

 fio-. 42. Miocaen Argentina. 



Familia XXI. f CastoB^oididae. 



723. f Castoroides, Forster, 1838. 



Castor, p., et Trogontherium, p.. Dekay, 1842. 



3882. f ohioensis. Forster, Am. Journ. Sc, XXXI, fPleistocaen Americs 



1DQ7 /1QOO\ ,, OA £™ IX 1 1. T ^A^ r,,w,4- T T .,;+■ nA Qi-n4-nn 



ica 



1837(1838), p. 80, fig. 15— 17; Leidy, 

 Ext. Mamm. Fanna, 1869, p. 405; Cope, 

 Amer. Natur., 1888, p. 6. fig. 3, 4. 6 ; 

 Moore, Amer. Geol.. XII. 1893, p. 67, 

 pl. III. 



sept.. United States 



(Indiana, Michigan, 



Texas, New-York, 



Carolina merid.) 



