Generic and Family Names of Rodents. 247 



Cardiatherium Ameghino, 1883. . Cardiatherium dceringi. 



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



cardiodon.) 



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



minus, C. dubius. 



Cardiomys Ameghino, 1885 Cardiomys cavinus. 



Cavia Pallas, 1766 Cavia cobaya. 



Caviodon Ameghino, 1885 Caviodon multiplicatus. 



f Ceratodon Wagler, 1830 Emended form for Kerodon. 



Cerodon Wagler, 1830 Emended form for Kerodon. 



Cobaya Cuvier, 1817 Cavia cobaya. 



Controcavia Burmeister, 1885 .... Controcavia matercula. 



Diocartherium Ameghino, 1888. . Diocartherium australe. 



Dolichotis Desmarest, 1819 . . . Cavia patachonica. 



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



Galea Meyen, 1833 Galea musteloides. 



Hydrochaerus Brisson, 1762. . . Sus hydrochoeris. 



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



Mara D'Orbigny, 1829 Dolichotis patagonica. 



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

 1880. media, M. dubia. 



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



Oromys Leidy, 1 853 Oromys sesopi. 



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

 chotis lacunosa, Orthomyctera lata. 



Palseocavia Ameghino, 1889 Cavia impar, C. avita, Palseocavia pam- 



paea, P. minuta. 



Phugatherium Ameghino, 1887 . . Phugatherium catadisticum. 



Plexochcerus Ameghino, 1886 .... Hydrochoerus paranensis. 



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



Liais because native name.) 



Procardiatherium Ameghino, L885 Procardiatherium simplicidens. 

 f Procavia Ameghino, 1885 Procavia mesopotamica. (See Neopro 

 cavia.) 



Scavia Blumenbach, 1802 Modified form of Cavia. 



Strata Ameghino, 1886 Strata elevata. 



CHINCHILLIDJB. 



Chinchi llidae BENNETT, Proc. Zool. Soc. London, 1833, p. 58. 

 J Eriomyidae BURMEISTER, Syst. Uebersicht Thiere Brasil., I, p. 188, 1854. 

 JLagostomidae " BONAPARTE, Synopsis Vert. Syst., 1837." 

 Viscachideee LESSON, Nouv. Tableau Regne Animal, Mamm., p. 104, 

 1842. 



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



Briaromys Ameghino, 1889 Briaromys trouessartianus. 



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

 1830. Jomys aureus, 



