250 Palmer — Generic and Family Names of Rodents. 



SminthusKeys. & Blasius,1840. Sininthiis iiordiiianni. 



Yeibua Forster, 1778 Yerbua tarsata (= Tarsius spectrum), 



Y. sibirica, Y. capensis {= Pedetes 

 cafer), Mus ineridianus, Yerbua 

 kauguru (= Macropus giganteus) ; 

 Mus longipes,M. jaculus, M. sagitta. 



Zapus Coues, 1875 Dipus hudsonius. 



EOCARDIDiE. 



Eocardklx Ameghino, Re vista Argentina, I, Ent. 3, p. 1-45, Junio, 1891. 

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



Dicardia Ameghino, 1891 . Dicardia maxima, D. modica, D. exca- 



vuta. 



Eocardia Ameghino, 1887 Eocnrdia mnntana. 



Hedymys Ameghino, 1887 Hedymya integrns. 



Phanomys Ameghino, 1887 Phanomys mixius. 



Procardia Ameghino, 1S91 Eocardia eliptica. 



Schistomys Ameghino, 1887 Schistomys erro. 



Tricardia Ameghino, 1891 Eocardia divisa. 



ERETHIZONTIDiE. 



J Cercolabina Gray, List Spec. Mamm. Brit. Mus., pp. xxiv, 123, 1843. 

 j Cercolabinee Gill, Arrangement Fam. Mamm., p. 22, Nov., 1872. 

 X Cercolabidae Ameghino, Enum. Sist. Mam. Fos. Patagonia Austral, 

 p. 9, Die. 1887. 

 Chaetomyinae Thomas, Proc. Zool. Soc. London, 189fi, 1026 (1897). 

 Coendidae Trouessart, Cat. Mamm. tam viv. quam foss., fasc. Ill, 



p. 619, Oct., 1897. 

 Erethizontina Bonaparte, Conspectus Syst. Mastozoologiae, 1850. 

 Erethizontidae Thc^as, Proc. Zool. Soc. London, 1896, 1025 (Apr., 1897). 

 J Sphingurinae Alston, Proc. Zool. Soc. London, 1876, p. 93. 

 f Synetherina Gervais, in D'Orbigny's Diet. Univ. d'Hist. Nat., XI, 



p. 204, 1849. 

 + Synetherinae Trouessart, Cat. Mamm. Viv. et Foss., Rongeurs, p. 182, 

 1881. 



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



Acaremys Ameghino, 1887 Acarcmys murinus^ A. minutus, A. mi- 



nidissimvs. 



Cercolabes Brandt, 1835 New name for CoendouLacepede, 1801. 



Chaetomys Gray, 1843 Hystrix subspinosus. 



Coendou' Lacc'pede, 1801 Hystrix prehensilis. 



Echinoprocta Gray, 1865 Erethizon rufescens. 



Echinothrix Brookes, 1828. .. Hystrix dorsata. 



' Emended to Coendous (Temminck, 1820) ; Coendus (lUiger, 1815) ; 

 Coendus (Rafinesque, 1815) ; Cuandu (Liais, 1872), 



