248 Palmer Generic and Family Names of Rodents. 



Chinchilla Bennett, 1829 Mus laniger. 



Colposlemma Ameghino, 1891.. . . Colpostemma sinuata. 

 f Epiblema Ameghino, 1886 Epiblema horridula. (See Neoepiblema.) 



Eriomys Lichtenstein, 1829 Eriomys chinchilla. 



Euphilus Ameghino, 1889 Euphilus ambrosettianus^ E. kurtzii. 



Gyriabrus Ameghino, 1891 Gyriabrus glutinatus. 



Lagidium Meyen, 1833 ....... Lagidium peruanum. 



Lagostomus Brookes, 1829 Lagostomus trichodactylus. 



f Lagotis Bennett, 1833 Lagotis cuvieri. 



Megamys D'Orb. & Laur ilia rd , 1 842 . Megamys patagonensis. 



Neoepiblema Ameghino, 1889. . . . New name for Epiblema Ameghino. 



Perimys Ameghino, 1887 Perimys erutus, P. onustus. 



Pliolagostomus Ameghino, 1887. . Pliolagostomus notatus. 



Potamarchus Burmeister, 1885. . . Potamarchus murinus. 



Prolagostomus Ameghino, 1887. . Prolagostomus pusillm, P. divisus, P. 



profluens, P. imperialis. 



Scotaeumys Ameghino, 1887 Scotaeumys imminutus. 



Sphteramys Ameghino, 1887 Sphteramys irruptus. 



Sphiggomys Ameghino, 1887 Sphiggomys zonatus. 



Sphodromys Ameghino, 1887. . . . Sphodromys scalaris. 



Strophostephanos Ameghino, 1891. Strophostephanos iheringii. 



Tetrastylus Ameghino, 1886 Megamys? laevigatus. 



Vizcacia 1 Schinz, 1824 (?) Vizcacia pamparum. 



DASYPROCTID^J. 



Agoutidae GRAY, London Medical Repository, XV, p. 304, April 1, 1821. 

 JChloromina GERVAIS, in D'Orbigny's Diet. Univ. d' Hist. Nat. : XI, 



p. 204, 1849. 

 JCoelogenina GERVAIS, in D'Orbigny's Diet. Univ. d'Hist. Nat., XI ? 



p. 204, 1849. 



J Ccelogenyidae BURMEISTER, Syst. Uebers. Thiere Brasil., I, p. 227, 1854. 

 Dasyporcina GRAY, Thomson's Ann. Philos., XXVI, p. 341, Nov., 1825. 

 Dasyproctina GRAY, List Spec. Mamm. Brit. Mus., pp. xxv, 124, 1843. 

 Dasyproctidae BONAPARTE, Conspectus Syst. Mastozoologise, 1850. 

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



Agouti Lacepede, 1801 Agouti paca (= Mus paca Linnaeus). 



Cloromis F. Cuvier, 1812 Includes the agoutis. 



Ccelogenus 2 F. Cuvier, 1807. . . Ccelogenus subniger, C. fulvus. 



Cutia Liais, 1872 New name for Dasyprocta Illiger. 



Dasyprocta Illiger, 1811 Cavia agnti, C. acuschy. 



Genyscoelus Liais, 1872 Emended form for Ccelogenus. 



Osteopera Harlan, 1825. ... Osteopera platycephala. 



Paca Fischer, 1814 Paca maculata (= Cavia paca). 



Platypyga Illiger, 1811 (?) 



1 Viscacia Rafinesque, 1815 (nomen nudum), Rengger, 1830. 

 2 Ceelogenus (Griffith, 1827); Caelogenys (Agassiz, 1846) ; Coelogenys 

 (Illiger, 1811) ; Genyscoelus (Liais, 1872). 



