250 Palmer — Generic and Family Names of Rodents. 



Sminthus Keys. & Blasius,1840. Sminthns nordiiianni. 



Yerbua Forster, 1778 Yerbua tarsata (= Tarsins spectrum), 



Y. sibirica, Y. capeiisis (=Pedetes 

 cafer), Mus meridianus, Yerbua 

 kanguru (= Macropus giganteus) ; 

 Mus longipeSjM. jaculus, M. sagitta. 



Zapus Coues, 1875 Dipus hudsonius. 



EOCARDID^. 



Eocardidx Ameghino, Revista Argentina, I, Ent. 3, p. 145, Junio, 1891. 



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



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



vata. 



Eocardia Ameghino, 1887. Eocardia montana. 



Iledymys Ameghino, 1887 Hedymys integrus. 



Phanomys Ameghino, 1887 Phanomys mixtus. 



Procardia Ameghino, 1891 Eocardia eliptica. 



Schistomys Ameghino, 1887 Schislomys erro. 



Tricardia Ameghino, 1891 Eocardia divisa. 



ERETHIZONTIDiB. 



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

 J Cercolabinae Gill, Arrangement Fam. Mamm., p. 22, Nov., 1872. 

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

 p. 9, Die. 1887. 

 ChaetomyinEe Thomas, Proc. Zool. Soc. London, 1896, 1026 (1897). 

 Coendidse Trouessart, Cat. Mamm. tarn viv. quam foss., fasc. Ill, 



p. 619, Oct., 1897. 

 Erethizontina Bonaparte, Conspectus Syst. Mastozoologia3, 1850. 

 Erethizontidae Thomas, Proc. Zool. Soc. London, 1896, 1025 (Apr., 1897). 

 J Sphinguringe x\lston, Proc. Zool. Soc. London, 1876, p. 93. 

 J Synetherina Geuvais, in D'Orbigny's Diet. Univ. d'Hist. Nat., XI, 



p. 204, 1849. 

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

 1881. 



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



Acaremys Ameghino, 1887 Acaremys 7nurinus, A. minutus, A. mi- 



nutissimus. 



Cercolabes Brandt, 1835 Ne w name for CoendouLacepede, 1801. 



Chaetomys Gray, 1843 Hystrix subspinosus. 



Coendou^ Lacepede, 1801 Hystrix prehensilis. 



Echinoprocta Gray, 1805 Erethizon rufescens. 



Echinothrix Brookes, 1828. .. Hystrix dorsata. 



^ Emended to Coendous (Temminck, 1820) ; Coendus (Illiger, 1815) ; 

 Coondus (Rafinesque, 1815) ; Cuandu (Liais, 1872). 



