The pocket gophers of the United States . rection the group covers the conti-nent from ocean to ocean, except that it is absent from the region northof the Savannah River and eastof the Mississippi Valley. The family • Abridged from ;i monographic revision of the Geomyidce, N. Am. Fauna, No. 8,1895. GEOGRAPHIC DISTRIBUTION. 29 is clearly of Sonoran origin and reaches its highest development on thesouthern part of the table-land of Mexico. The great majority of thespecies inhabit the upper and lower Sonoran zones, though a few spe-cially modified forms range upward on favorable mountain sides t
The pocket gophers of the United States . rection the group covers the conti-nent from ocean to ocean, except that it is absent from the region northof the Savannah River and eastof the Mississippi Valley. The family • Abridged from ;i monographic revision of the Geomyidce, N. Am. Fauna, No. 8,1895. GEOGRAPHIC DISTRIBUTION. 29 is clearly of Sonoran origin and reaches its highest development on thesouthern part of the table-land of Mexico. The great majority of thespecies inhabit the upper and lower Sonoran zones, though a few spe-cially modified forms range upward on favorable mountain sides throughthe Transition and even into the lower edge of the Boreal zone. Onthe other hand, two species inhabit the Tropical belt of Mexico. The genus has by far the most extended range of any ofthe three, inhabiting suitable localities from the Valley of Mexico andMount Orizaba northward to British Columbia and the North Sas-katchewan, and from the Pacific Coast eastward to the Great is represented by numerous Fig. G.—Geographic distribution otIocket Gophers by genera. The genus Cratogeomys inhabits the Great Plains of the United Statesfrom the Arkansas River in eastern Colorado southward, and extendsfar into Mexico (see fig. 6 and map 1, H). The genus Geomys inhabits a broad belt across the middle part ofthe United States from the Red River Valley in northwestern Minne-sota and northeastern North Dakota southward to the Mexican bound-ary along the Rio Grande; and also the southern half of Alabamaand Georgia and the northern half of Florida. It does not occur westof eastern Wyoming, east central Colorado, and the Rio Grande Valleyin New Mexico (see fig. 6 and map 1). THE SPECIES OF GEOMYS. The Georgia Gopher (Geomys ), a rather large cinnamon-brownspecies, inhabits the pine barrens of eastern Georgia, where it is 30 POCKET GOPHERS OF THE UNITED STATES. S locally known as the Salamander. The same name is applied to thefollowing subspecies : Th
Size: 1965px × 1271px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorbaileyve, bookcentury1800, bookdecade1890, bookyear1895
