Generic and Family Names of Rodents. 269 



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



Adelomys Gervais, 1853 Theridomys vaillanti. (See Pseudosciur'uhe.) 



Arclueomys Laizer & Parieu, 1839. New name for Palxomys Laiz. & Par. 



BlaimiUimys (Bravard MS.) Ger- 

 vais, 184S-'52 TIwridtDin/x hktiiirillfi. 



Cournvmys (Croizet) Zittel, 1893. Synonym of Issidioromys. 



Cavierimys Bravard, 1848-'52. . . . Cuvierwiy^laurillardl. 



Dipoides Jilger, 1835 ... Species not named. 



Gergoriomys (Croizet MS.) Blain- 

 ville, 1840 Species iiot named. 



* IsoptydMS Pomel, 1854 Theridomys {Isoptychus) jourdani, Isop- 



tychus aid)eryi, I. cmtiquus, I. ciivieri, 

 I. vassoni, llieridomys aquaiiUs {f). 

 Issidioromys (Croizet MS.) Blain- 



ville, 1840 . . Issidioromys pseudansema Gervais, 1848 



t Neomys Bravard, 1844 Neomys lembronicus (= Theridomys 



lemhronicns). 

 iN^fw^'^rodon Schlosser, 1884 Isiodoromys minur. 



* Onugodns Pomel, 1854 Omegodus ecldmydides. 



* Palanicma Pomel, 1854 Palanxma antiquus. 



t Palieomys Laizer & Parieu, 1839. . Paheomysarrerneusis. (See Arcltieontys.) 



* Perrieromys Croizet (?) 



Protecldmys Schlosser, 1884 Protechimys gracilis, P. major. 



^'fTieniodns Pomel, 1854 EcJtiniys curristriutus. 



Theridomys Jourdan, 1837 Species not named in first description. 



Trechomys Lartet, 1869 Trechomys honduellii. 



INCERTiE SEDIS. 



Anotis Rafinesque, 1815 Nomen nudum. 



Archilagiis Hfeckel, 1895 Hypothetical genus— 'Atavus omnium 



Rodentium.' 



Asterumys^ Amegliino, 1897 Asieromys pH)U;lu!<, A. ^yrosjiiciius. 



Budo)iiys{'Cro\zeV) Bravard, 1843 Nomen nudum. 



Cephalomys^ Amegliino, 1897.. . . Cephalomys arcidens, C. plexus. 



Haplnstropha Ameghino, 1891 . . . Haploslropha scalabriniana. 



Hystriocomys Giebel, 1860 Hystriocomys thuringiacus. 



? Mixodectes"^ Cope, 1883 Mixodecles pungens, M. crassiculus. 



Orchiomys^ Ameghino, 1897 Orchiomys prostans. 



^ Cephalomyidx Ameghino, Bol. Inst. Geog. Argentino, XVIII, p. 592, 

 Oct. 6, 1897. 



'^ Mixodectidce Cope, Proc. Acad. Nat. Sci. Phila., p. 80, May 22, 1883. 



" The discovery of some skeleton fragments in good association with a 

 lower jaw of Mixodectus pungens makes it probable that this genus should 

 be removed from the Primates and placed as an extremely primitive Ro- 

 dent."— Matthew, Bull. Am. Mus. Nat. Hist. New York, IX, p. 265, 1897. 



60— Biol. Soc. Wash., Vol. XI, 1897. 



