PART III: GLIRES, LEPORIDJE—MURID.E. 851 
Name, authority, and date. Type or included species, and localities. 
Sylvilagus GRAY) 180725520 --- m Lepus nanus (= L. americanus), eastern North 
America; L. artemisia (= L. nuttalli), Walla 
Walla, Wash.; L. bachmani, western North 
America. 
TapetijGRAY “867. 22-582 sees eee oe Lepus brasiliensis, Brazil. 
ricum OPENS Ecce Tricium avunculus (type), T. leporimun, T. pani- 
, ) , 1 » 4.7 
ense, Colorado. 
LOPHIOMYIDZ. 
Lophiomyidae GILL, 1872. 
GENERA AND SUBGENERA. 
Name, authority, and date. Type or included species, and localities. 
Lophiomys MinNE-Epwamps, Feb. 6, Lophiomys imhausii Nubia. 
1867. 
Phractomys PETERs, Feb., 1867 ..... Phractomys aethiopicus, northeast Africa. 
PROGLIRES. MIXODECTIDZ. 4 
F FAMILIES AND SUBFAMILIES. 
Microsyopside OsBorn, 1892. Mixodectide Corr, 1883. 
GENERA AND SUBGENERA. 
Name, authority, and date. Type or included. species, and localities. 
Bathrodon Marsn, Aug., 1872...... Bathrodon typus (type), Grizzly, Buttes; B. an- 
nectens, Henry Fork, Wyoming. 
Cynodontomys Corr, 1882........... Cynodontomys latidens, Big Horn Basin, Wyo. 
weindrodoniCoPn. (8842 222.28 25... -- Indrodon malaris, New Mexico. 
Mesacodon Marsn, Aug., 1872...... Mesacodon speciosus, Grizzly Buttes, Wyoming. 
Microsyops Lripy, Apr., 1872....... Microsyops gracilis, Grizzly Buttes, Wyoming. 
Mixodectes Coex, 1883.........----- Mixodectes pungens (type), M. erassiusculus, 
New Mexico. 
Olbodotes OsBoRN, 1902............. Olbodotes copei, New Mexico. 
Palaacodon Lzrpv, Apr., 1872 ...... Paleacodon verus, Lodge-pole Trail, Wyoming. 
Smilodectes WorTMAN, 1903......... Hyopsodus gracilis, Grizzly Buttes, Wyoming. 
MURIDZ. 
CRICETIN X. 
FAMILIES AND SUBFAMILIES. 
Cricetini G. Frscugn, 1817. Hesperomyine Murray, 1866. 
Cricetide RocHEBRUNE, 1885. Hesperomyide AMEGHINO, 1889. 
? Eomyini WiNGE, 1887. Nesomyine ForsyrH Mason, 1897. 
Sigmodontine THomas, 1897. 
GENERA AND SUBGENERA. 
Name, authority, and date. Type or included species, and localities. 
Abrothrix WATERHOUSE, 1837 ....... Mus (Abrothrix) longipilis, Coquimbo, Chile. 
ZEpeomys THomAS, 1898 ............ Oryzomys (?) lugens, Merida, Venezuela. 

* For ordinal position and revision of this family, see OsponwN, Bull. Am. Mus. Nat. 
Hist., N. Y., XVI, pp. 203-214, June 28, 1902. Worrman maintains that this family 
belongs to the Primates, see Am. Journ. Sci., 4th ser., XVI, pp. 347, 352, 1903. 
