RODENTIA. 
.Mamin . 27 
Peromyscus canus , xviii, p. 445, Texas, tornillo , p. 445, Rio Grande, Texas, 
texanus medius , p. 446, Lower California, t. dementis, p. 446, San 
Clemento I., California, merriami , xix, p. 138, Mexico, eremicus 
arenarius , p. 138, Texas, boylii penicillatus , p. 139, Texas, Mearnh, 
P. U. S. Mus. ; michiganensis pallescens , J. A. Allen, Bull. 
Arner. Mus. viii, p. 238, Texas ; leucopus nubiterne , p. 187, 
Rown Mt., N. Carolina, gossypinus mississipiensis ; p. 189, Tennessee, 
Riioads, Amer. Natural, xxx ; canadensis abietorum, p. 49, 
Canada, bellus, p. 137, Stilwell, Ind. Terr., Banos, P. Soc. Washing- 
ton, x : n. spp. & subspp. P. gossypinus , note on ; Bangs, t. c. 
p. 119. 
Onychomys torridus arenicola , p. 139, Texas, torridus perpallidas , p. 140, 
Colorado R., n. subspp., M earns, P. U. S. Mus. xix. 
Ichthyomys saderstroemi , n. sp., De Winton, P. Zool. Soc. London, 1896, 
p. 512, Rio Macliangara, Ecuador. 
Jlhitlirodotdomys laceyi , n. sp., J. A. Allen, Bull. Amer. Mus. viii, p. 235, 
Texas. 
Microtime : synopsis of the subfamily ; Miller, North American 
Fauna, No. 12. The genera recognized are Synaptomys , Lem mus, 
Dicrostonyx (C unic ulus'), Phenaco my s, Evotomys, Microtus , and Fiber ; 
Neofiber being regarded as a subgenus of Microtus. 
Microtus font? genus, P. Soc. Washington, x, p. 48, Lake Edward, Quebec, 
enixus , Amer. Natural, xxx, p. 1051, Labrador, n. spp., Bangs. M. 
breweri, described ; Miller, P. Boston Soc. xxviii, p. 83. Ml. agrestis , 
variability of molars, two races, viz., agrestis typicus and a. 
neglectus , Jenyns ; Barrett-Hamilton, P. Zool. Soc. London, 1896, 
pp. 598 & 599. 
Myodes lemmus, remains from Portugal ; Barrett-Hamilton, t. c. p. 304. 
Eothenomys , p. 45, n. subg. for Arvicola melanog aster, M. -Edwards, Ante- 
liomys, p. 47, n. g. for Microtus chinensis , Thomas, Hyperacrius , 
' p. 54, n. subg. for Arvicola fer tilts, True ; Miller, op. cit. 
Synaptomys, synopsis of species, Merriam, P. Soc. Washington, x, p. 55 ; 
fatuus, Bangs, t. c. p. 47, Lake Edward, Quebec ; helaletes , p. 59, 
Virginia, h. gossii , p. 60, Kansas, dalli, p. 62, Alaska, truei, p. 62, 
Washington, wrangeli, p. 63, Alaska, Merriam, t. c. : n. spp. & 
subspp. 
f Anaptogonia cloacina , n. sp., Cope, P. Ac. Philad. 1896, p. 380, Ploisto- 
ceue, Port Kennedy. The genus is regarded as the ancestral type of 
Microtus. 
f Microtus diluvianus, n. sp., Cope, op. cit. p. 381, ibid 
SrALAOID.E, GeOMYID/E, HeI’EROMYID.E, and B miYERGID t E. 
The third and fourth families adopted by Thomas, P. Zool. Soc. London, 
1896, p. 1022. 
Rhizomys sumatrensis , note on ; Jentink, Notes Leyden Mus. xviii, 
p. 213. 
Macrogeomys cherriei, note on; J. A. Allen, Bull. Amer. Mus. viii, p. 45. 
Perognathus mearnsi, n. sp:, J. A. Allen, t. c. p. 237, Texas. 
Georychus darlingi, Thomas, figured, pi. xl, fig. 1, nimrodi, n. sp., p. 808, 
Matabeleland, De Winton, P. Zool. Soc. London, 1896. 
Heterocephalus glaber, pelage ; Francaviglia, Boll. Soc. Rom. Zool. v, 
p. 1. 
DlFODIDiE. 
Zap us setchuanus, n. sp., Pousargues, Bull. Mus. Paris, 1896, No. 1, p. 3, 
Szechuan. 
