RODENTIA. 
Mamm. 31 
GeOMYIDAI, HeTEROMYID/E and Dipodid.e. 
Thomomys melanops, douglasi yelmensis , Washington, Merriam, P. Soc. 
Washington, xiii, p. 21; fulvus alticolus , Low. California, Allen, 
Bull. Amer. Mus. xii, p. 13; monticola pinetorum, Mt. Shasta, 
Merriam, North Amer. Fauna, No. 16, p. 97 : n. subspp. 
Dipodomys californicus pallidus , California, Bangs, P. New England Zool. 
Club, i, 65, n. subsp. 
Heteromys jesupi, Colombia, Allen, Bull. Amer. Mus. xii, p. 201, n. sp. 
Zapus imperator , Olympic Mts., Elliot, Field Mus. Zool. i, p. 228; 
hudsonius la das, Labrador, Bangs, P. New England Zool. Club, i, p. 10; 
h. hard/yi , Maine, Batchelder, t. c. p. 5; saltator , Northwest Terri¬ 
tory, Allen, Bull. Amer. Mus. xii, p. 3; hudsonius campestris , Great 
Plains, p. 20, princeps minor, Plains of Saskatchewan, p. 23, p. 
or eg onus, Blue Mts., Oregon, major, Warner Mt., p. 24, nevadensis, 
Nevada, p. 25, or arms, Californian coast, p. 29, insignis roanensis, 
N. Carolina, p. 35, i. abietorum, Lake Superior, p. 36, Preble, 
North Amer. Fauna, No. 15 : n. spp. & subspp. 
Napceozapus, n. subg. for Zapus insignis , Miller, 1891, Preble, op. cit. 
p. 33. 
EozapvA, n. subg. for Z. setchuanus, Pousargues, 1896, Preble, op. cit. 
p. 37. 
Pedetida:, Octodoxtida:, Erithizoxtida: and Caviida:. 
Pedetes caffer, figured, Sclater, P. Zool. Soc. London, 1899, p. 428. 
Proechimys , n. nom. for Echimys, I. Geoffroy, 1838, nec Cuvier, 1809, 
Allen, Bull. Amer. Mus. xii, p. 264. 
Echimys decumanus, Ecuador, p. 282, cherriei, Orinoco, p. 381, Thomas, 
Ann. Nat. Hist. (7) iv; mincce, Colombia, p. 198, urichi, A r enezuela, 
p. 199, canicollis, p. 200, Allen, Bull. Amer. Mus. xii : n. spp. 
Jsothrix rufodorsalis, Colombia, Allen, op. cit. p. 197, n. sp. 
Loncheres punctatus , iii, p. 153, bistriatus orinoci , iv, p. 382, Orinoco, 
Thomas, Ann. Nat. Hist. (7), n. sp. & subsp. 
Ctenomys, carpus, Major, P. Zool. Soc. London, 1899, p. 428. 
Coendou[a~]quichua, Ecuador, p. 283, vestitus, Colombia, p. 284, Thomas, 
Ann. Nat. Hist. (7) iv, n. spp. 
Cavia aperea , anatomy, Alezais, J. Anat. Physiol, xxxv, p. 333; supra¬ 
renal capsule, Guieysse, C.R. Soc. Biol. (8) i, p. 898. 
Hydrochoerus capibara , brain, Beddard, P. Zool. Soc. London, 1899, 
p. 798. 
Leporida: and Lagomyida:. 
Dentition, osteology and classification, Major, Tr. Linn. Soc. London (2) 
vii, p. 433. 
Nesolagus, n. g. for Lepus netschen, Schlegel & Jentink, Major, t. c. p. 514. 
Lepus labradonus, Labrador, Miller, P. Soc. Washington, xiii, p. 39; 
telmalemonus, Indian Territory, Elliot, Field Mus. Zool. i, p. 
285; americanus phceonotus, Minnesota, bishopi, Dakota, p. 11, 
jloridanus chapmani, Texas, p. 12, Allen, Bull. Amer. Mus. xii; 
Hamathensis, Oregon, Merriam, North Amer. Fauna, No. 16, p. 100; 
crawshayi, Brit. E. Africa, p. 416, pi. xxiv, sechuenensis, Szechuen, p. 
576, pi. xxxii, De Winton, P. Zool. Soc. London, 1899; asellus, Mexico, 
p. 380, bachmani ubericolor , Oregon, p. 383, Jlorida/nus yucatanicus , 
Yucatan, p. 384, fl. subcinctus, Mexico, p. 386, jl. caniclunis , Texas, 
p. 388, Jl. sanctidiegi, California, p. 389, Miller, P. Ac. Philad. 
1899; superciliaris, Colombia, Allen, Bull. Amer. Mus. xii, p. 196; 
