XLII 
LIST OF SPECIES. 
Page. 
38. HESPEROMYS, Waterhouse. 453 
a. Hesperomys. 458 
146. —Hesperomys leucopus, Wagner.—White-footed Mouse.—Nova Scotia (and Lab¬ 
rador,) to Virginia, and west to the Mississippi River. 459 
147. —Hesperomys texanus, Woodhouse.—Texas Mouse.—Rio 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.—Red 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..... 471 
153.—Hesperomys myoides.—Hamster Mouse.—Canada, Vermont, and New York.... 472 
155. —Hesperomys sonoriensis, Leconte.—Upper Missouri, and Rocky Mountains to El 
Paso and Sonora. 474 
156. —Hesperomys michiganensis, Wagner.—Prairie Mouse.—Michigan, Wisconsin, 
and Illinois, to St. Louis. 476 
157. —Hesperomys californicus.—Great-Eared Mouse.—Santa Clara, California. 478 
158. —Hesperomys eremicus, Baird, (n. s.)—Desert Mouse.—Fort Yuma, California.... 479 
b. Onychomys , Baird. 458 
159. —Hesperomys leucogaster.—Missouri Mouse.—Plains along the upper Missouri.. 480 
c. Oryzomys, Baird. 458 
160. —Hesperomys palustris, Wagner.—Rice Field Mouse.—South Carolina and 
Georgia. 482 
39. NEOTOMA, Say & Ord. 486 
161. —Neotoma floridana, Say & Ord.—Florida Rat; Wood Rat.—Southern Atlantic 
and Gulf States, and up the Missouri. Stragglers as far as New 
York. 487 
162. —Neotoma mexicana, Baird, (n. s.)—Mexican Bush Rat.—Pecos river to Chi¬ 
huahua, and west to Gulf of California. 490 
