ltODENTlA. 
Mamm. 29 
Rhithrodontomys mexicanus gracilis , p. 9, Mexico, rufescens , p. 199, Mexico, 
saturatus, p. 201, Vera Cruz, n. spp. & subspp., Allen & Chapman, 
Bull. Amer. Mus. ix. 
Oryzomys delicatus , Allen & Chapman, p. 19, Trinidad, chrysomelas , 
jalapce , p. 206, Mexico, Allen, p. 37, Costa Rica, mexicanus, p. 52, 
bulleri, p. 53, Mexico, baroni, p. 117, Peru, Bull. Amer. Mus. ix 
goeldii, xix, p. 494, Lower Amazonia, penimulce , xx, p. 549, Lower 
California, Thomas, Ann. Nat. Hist. (6). 
Zygodontomys , n. g., for Oryzomys cherriei , Allen, 1895; Allen, Bull. Amer. 
Mus. ix, p. 38. 
Sigmodontomys, p. 38, n. g., for S. alfari, n. sp. ; Allen, t. c., Costa Rica. 
Chilomys, n. g., for Oryzomys installs, Thomas, 1895; Thomas, Ann. Nat. 
Hist. (6) xix, p. 501. 
Ichthyomys trichotis, n. sp., Thomas, op. cit. xx, p. 220, West Cundina- 
marca. 
Acodon urichi , p. 19, frustrator, p. 20, Trinidad, Allen & Chapman, Bull. 
Amer. Mus. ix ; fuscinus , xix, p. 496, Marajo I., Amazon, spegazzinii, 
xx, p. 216, albiventer, p. 217, Argentina, pulcherrimus, p. 599, Peru, 
Thomas, Ann. Nat. Hist. (6) : n. spp. 
Oxymycterus lanosus , n. sp., Thomas, op. cit. xx, p. 218, Straits of Magellan. 
Neotoma attwateri, xix, p. 721, Korr County, Texas, cumulator , xx, p. 503, 
California, n. spp., Mearns, P. U. S. Mus. 
Nelsonia, n. g., for N. neotomodon, n. sp., Merriam, P. Soc. Washington, 
xi, p. 277, Mexico. 
Phenacomys, synopsis of species, Miller, t. c. p. 77; preblei, n. sp., 
Merriam, t. c. p. 45, Colorado. 
Evotomys mazama, p. 71, obscurus, p. 72, Oregon, Merriam, wrangeli, 
p. 120, Wrangel I., Alaska, gapperi loringi, p. 125, North Dakota, 
ungava, p. 130, Ungava, nivarius , p. 136, Olympic Mountains, Wash- 
ington, Bailey, proteus, p. 137 (its variations, p. 239, pi. iv), Hamilton 
I., Labrador, Bangs, t. c. : n. spp. & subspp. 
Ellobius lutescens, n. sp., Thomas, Ann. Nat. Hist, xix, p. 308, Van. 
SPALACIDiE and DlPODIDiE. 
Intimate relationship of Spalacidce to the Muridce , structure of skull, and 
dentition ; F. Major, P. Zool. Soc. London, 1897, p. 695. 
Spalax giganteus, p. 169, Caspian, -\ prisons, p. 174, Pliocene, Hungary, kir- 
gisorum, p. 176, Volga Steppes, ehrenbergi, p. 178, Palestine, cegyptius, 
p. 180, Egypt, intermedins, p. 181, Syria, n. spp., Nehring, SB. Qes. 
naturf. Berlin, 1897. 
Zapus tenellus, p. 103, British Columbia, pacificus , trinotatus montanus, 
p. 104, Oregon, hudsonius alascensis, p. 223, Alaska, Merriam, P. Soc. 
Washington, xi, n. spp. & subsp. 
Alactaga wUliamsi, n. sp., Thomas, Ann. Nat. Hist. (6) xx, p. 309, Van; 
Alactagulus, n. subg., for Alactaga. \ elater, Licht., Nehring, SB. Ges. 
naturf. Berlin, 1897, p. 154. 
Geomyid^e, Heteromyid.e, and Bathyergiime. 
General account of Pocket-Gophers: Webster, Amer. Natural, xxxi, 
p. 114. 
Thomomys fulvus intermedius, Mearns, P. U. S. Mus. xix, p. 719, Arizona, 
nevadensis, p. 213, Nevada, angularis , p. 214, California, mazama, 
p. 214, quadratics, p. 214, leucodon, p. 215, Oregon, operarius, p. 215, 
alpinus , p. 216, California, nasicus, p. 216, Oregon, n. spp. & subsp. 
