LIST OF SPECIES. 
15 
Page. 
38. HESPEEOMYS, Waterhouse. 453 
a. Hesperomys, 458 
146. — Hesperomys leucopus, Wagner.—White-footed Mouse.—Nova Scotia (and Lab¬ 
rador,) to Virginia, and west to the Mississippi Eiver. 459 
147. — Hesperomys texanus, Woodhouse.—Texas Mouse.—Eio Grande, Texas. 464 
148. — Hesperomys gambelii, Baird, (n. s.)^—California and Oregon... 464 
149. -— ^Hesperomys austerus, Baird, (n. s.)—Washington Territory. 466 
150. — ^Hesperomys nuttalli. —Eed Mouse.—Southern Pennsylvania to Georgia, and 
west to St. Louis...... 467 
151. —Hesperomys gossypinus, Leconte.—Cotton Mouse.—Lowlands of Georgia and 
South Carolina. 469 
152. — Hesperomys cognatus, Leconte.—Gray-Bellied Mouse.—Southern Atlantic and 
Gulf States, from North Carolina to Louisiana. 469 
153. ^— ^Hesperomys boylii, Baird, (n. s.)—Long-Tailed Mouse.—Western California and 
Oregon. 4T1 
154. — Hesperomys myoides. —Hamster Mouse.—Canada, Vermont, and New York.... 4*72 
155. — Hesperomys sonoriensis, Leconte.—Upper Missouri, and Eocky Mountains to El 
Paso and Sonora. 474 
156. — ^Hesperomys micbiganensis, Wagner.—Prairie Mouse.—Michigan, Wisconsin, 
and Illinois, to St. Louis. 476 
157. — ^Hesperomys californicus. —Great-Eared Mouse.—Santa Clara, California. 478 
185. — ^Hesperomys eremicus, Baird, (n. s.)—Desert Mouse.—Fort Yuma, California.... 479 
h. Onychmys, Baird. 458 
159. — Hesperomys leuc(^aster. —Missouri Mouse.—Plains along the upper Missouri.. 480 
c. Oryzomys, Baird. 458 
160. — ^Hesperomys palustris, Wagner.—Eice Field Mouse.—South Carolina and 
Georgia. 482 
39. NEOTOMA, Say & Ord. 486 
161. — Neotoma floridana, Say & Ord.—Florida Eat; Wood Eat.—Southern Atlantic 
and Gulf States, and up the Missouri. Stragglers as far as New 
York. 487 
162»—Neotoma mexicana, Baird, (n. s.)—Mexican Bush Eat.—Pecos river to Chi¬ 
huahua, and west to Gulf of California. 490 
