Generic and Family Names of Rodents. 247 



Cardiatherium Ameghino, 1883. . Cardiathenuvi dceringi. 



t Cardiodon Ameghino, 1885 Cardiodon marshii, C. leidyi. (See Eu- 



cardiodon.) 



* Cardiodus Bravard, 1857 Cardiodus waterhousii, C. medius, C. 



niiniis, C. dubius. 



Cardiomys Ameghino, 1885 Cardiomys cavinus. 



Cavia Pallas, 1766 Cavia cobaya. 



Cariodnn Ameghino, 1885 Caviodon multiplicatus. 



f Ceratodon Wagler, 1830 Emended form for Kerodon, 



Cerodon Wagler, 1830. . . Emended form for Kerodon. 



Cobaya Cuvier, 1817 Cavia cobaj'a. 



Controcavia Burmeister, 1885. . . . Controcaria matercula. 



Dlocartherium Ameghino, 1888. . Diocartherium australe. 



Dolichotis Desmarest, 1819 . . . Cavia patachonica. 



Eucnrdiodon Ameghino, 1891. . . New name for Cardiodon. 



Galea ^Nleyen, 1833 Galea musteloides. 



Hydrochaerus Brisson, 1762. . . Sus hydrochoeris. 



Kerodon F. Cuvier, 1823 The ' Moco ' of Geoffroy. 



Mara D'Orbigny, 1829 Dolichotis j^atagonica. 



Microcavia Gervais & Ameghino, Microcavia typus, M. robnsta, M. inter- 

 ISSO. media, M. duhia. 



Neoprocavia Ameghino, 1889 .... New name for Procavia Ameghino. 



Oromys Leidy, 1 853 Oromys pesopi. 



Orthomyctera Ameghino, 1889 . . . Cavia rigens, Orthomyctera vaga, Doli- 

 chotis lacunosa, Orthomyctera lata. 



Palxocavia Ameghino, 1889 Cavia impar, C. avila, Palxocavia pam- 



pa'ki, P. minuta. 



Phugatherium Ameghino, 1887 . . PhngatJierium cataclisticum. 



Plexochcerus Ameghino, 1886. . . . Hydrochcenis paranensis. 



Prea Liais, 1872 New name for Cavia. (Preferred by 



Liais because native name.) 



Procardiatherium Ameghino, 1885 Procardintherium simplicidens. 

 t Procavia Ameghino, 1885 Procavia mesopotumica. (See Neopro- 

 cavia.) 



Scavia Blumenbach, 1802 Modified form of Cavia. 



Strata Amegliino, 1886 Strata elevata. 



CHINCHILLIDiE. 



Chinchillidae Bennett, Proc. Zool. Soc. London, 1833, p. 58. 

 X Eriomyidee Burmeister, Syst. Uebersicht Thiere Brasil., I, p. 188, 1854. 

 t Lagostomidae " Bonapartk, Synopsis Vert. Syst., 1837." 

 Viscachideae Lesson, Nouv. Tableau Regne Animal, Mamm., p. 104, 

 1842. 



Name, authority, and date. Type or included .species. 



Briaromys Ameghino, 1889 Briaromystrouessartianus. 



Callomys D'Orbigny & Geoffroy, Callomys viscacia, Mas laniger, Cal- 

 1830. lomys aureus. 



