Distribution of mammals in Colorado (1972)
RMFMDFD6Distribution of mammals in Colorado (1972)
Distribution of mammals in Colorado (1972) (20976151755)
RMM8C229Distribution of mammals in Colorado (1972) (20976151755)
. Elementary physical geography . FlG. 60. Near the timber line, Colorado. tected with fur. Many of the mammals, and most of the birds,leave the coldest part of the zone during the winter; and someof the birds that spend the summer within the Arctic circle,in winter pass southward to the southern portion of thetemperate zone. Reptiles are nearly absent from this coldregion, and the few that do exist there are of small size. Insummer, the land is clothed with vegetation up to the limits GEOGRAPHIC DISTRIBUTION OF ANIMALS, ETC. 139 of perpetual snow; but there is a very marked differencebetween
RM2CE30MA. Elementary physical geography . FlG. 60. Near the timber line, Colorado. tected with fur. Many of the mammals, and most of the birds,leave the coldest part of the zone during the winter; and someof the birds that spend the summer within the Arctic circle,in winter pass southward to the southern portion of thetemperate zone. Reptiles are nearly absent from this coldregion, and the few that do exist there are of small size. Insummer, the land is clothed with vegetation up to the limits GEOGRAPHIC DISTRIBUTION OF ANIMALS, ETC. 139 of perpetual snow; but there is a very marked differencebetween
Distribution of mammals in Colorado
RMT1H2AWDistribution of mammals in Colorado
Distribution of mammals in Colorado (1972)
RMGJCD45Distribution of mammals in Colorado (1972)
Distribution of mammals in Colorado (1972) (20353562954)
RMM8C228Distribution of mammals in Colorado (1972) (20353562954)
. Mammals of the Mexican boundary of the United States : a descriptive catalogue of the species of mammals occurring in that region; with a general summary of the natural history, and a list of trees . Mammals; Mammals; Trees; Trees; Natural history; Natural history. Fig. 117.—Neotoma cumulator. Skull of type, a, dorsal view; 6, ventral view; c, lateral view. Habits and local distribution.—This large wood-rat is found in abun- dance on both shores of the Colorado River from the Gila to the Gulf of California, and extends its range westward down the Salton and New rivers to points north of the
RMRDE1HE. Mammals of the Mexican boundary of the United States : a descriptive catalogue of the species of mammals occurring in that region; with a general summary of the natural history, and a list of trees . Mammals; Mammals; Trees; Trees; Natural history; Natural history. Fig. 117.—Neotoma cumulator. Skull of type, a, dorsal view; 6, ventral view; c, lateral view. Habits and local distribution.—This large wood-rat is found in abun- dance on both shores of the Colorado River from the Gila to the Gulf of California, and extends its range westward down the Salton and New rivers to points north of the
Distribution of mammals in Colorado
RMT1HH54Distribution of mammals in Colorado
. Mammals of the Mexican boundary of the United States : a descriptive catalogue of the species of mammals occurring in that region; with a general summary of the natural history, and a list of trees . Mammals; Mammals; Trees; Trees; Natural history; Natural history. Fig. 117.—Neotoma cumulator. Skull of type, a, dorsal view; 6, ventral view; c, lateral view. Habits and local distribution.—This large wood-rat is found in abun- dance on both shores of the Colorado River from the Gila to the Gulf of California, and extends its range westward down the Salton and New rivers to points north of the
RMPG07RB. Mammals of the Mexican boundary of the United States : a descriptive catalogue of the species of mammals occurring in that region; with a general summary of the natural history, and a list of trees . Mammals; Mammals; Trees; Trees; Natural history; Natural history. Fig. 117.—Neotoma cumulator. Skull of type, a, dorsal view; 6, ventral view; c, lateral view. Habits and local distribution.—This large wood-rat is found in abun- dance on both shores of the Colorado River from the Gila to the Gulf of California, and extends its range westward down the Salton and New rivers to points north of the
. Mammals of the Mexican boundary of the United States : a descriptive catalogue of the species of mammals occurring in that region; with a general summary of the natural history, and a list of trees . Mammals; Mammals; Trees; Trees; Natural history; Natural history. a b c Fig. 113.—Sigmodon HiapiDua eeemicus. Skull of type, a, dobsal view; b, ventral view; V. LATERAL VIEW. Habits and local distribution.—-The Western Desert cotton-rat was found in abundance on both sides of the Colorado River from Yuma to the Gulf of California. It was most numerous about beds of wild hemp which grow luxuriant
RMRDE1KT. Mammals of the Mexican boundary of the United States : a descriptive catalogue of the species of mammals occurring in that region; with a general summary of the natural history, and a list of trees . Mammals; Mammals; Trees; Trees; Natural history; Natural history. a b c Fig. 113.—Sigmodon HiapiDua eeemicus. Skull of type, a, dobsal view; b, ventral view; V. LATERAL VIEW. Habits and local distribution.—-The Western Desert cotton-rat was found in abundance on both sides of the Colorado River from Yuma to the Gulf of California. It was most numerous about beds of wild hemp which grow luxuriant
Distribution of mammals in Colorado
RMT1JEA1Distribution of mammals in Colorado
. Mammals of the Mexican boundary of the United States : a descriptive catalogue of the species of mammals occurring in that region; with a general summary of the natural history, and a list of trees . Mammals; Mammals; Trees; Trees; Natural history; Natural history. a b c Fig. 113.—Sigmodon HiapiDua eeemicus. Skull of type, a, dobsal view; b, ventral view; V. LATERAL VIEW. Habits and local distribution.—-The Western Desert cotton-rat was found in abundance on both sides of the Colorado River from Yuma to the Gulf of California. It was most numerous about beds of wild hemp which grow luxuriant
RMPG07TR. Mammals of the Mexican boundary of the United States : a descriptive catalogue of the species of mammals occurring in that region; with a general summary of the natural history, and a list of trees . Mammals; Mammals; Trees; Trees; Natural history; Natural history. a b c Fig. 113.—Sigmodon HiapiDua eeemicus. Skull of type, a, dobsal view; b, ventral view; V. LATERAL VIEW. Habits and local distribution.—-The Western Desert cotton-rat was found in abundance on both sides of the Colorado River from Yuma to the Gulf of California. It was most numerous about beds of wild hemp which grow luxuriant
. A biological survey of Colorado. Natural history Colorado; Mammals Colorado; Trees Colorado. 1011.1 MAMMALS. 149 Ileracleiim lanaturn and oilier rank v('<^('tati()n bordcririf^ cold moun- tain bogs and stioanis, but is also occasionally taken beneath lo^i^s in heavy forest. The species has a wide distribution in the mountainous ])arts (see lig. 24), but is nowhere abundant. Bailey says it is found in some of the marshes of the San Luis Valley. Near Del Norte he noted lono; lengths of grass stems which had recently been cut by jum])ing mice, while a specimen from east of Antonito was taken
RMRHG6G4. A biological survey of Colorado. Natural history Colorado; Mammals Colorado; Trees Colorado. 1011.1 MAMMALS. 149 Ileracleiim lanaturn and oilier rank v('<^('tati()n bordcririf^ cold moun- tain bogs and stioanis, but is also occasionally taken beneath lo^i^s in heavy forest. The species has a wide distribution in the mountainous ])arts (see lig. 24), but is nowhere abundant. Bailey says it is found in some of the marshes of the San Luis Valley. Near Del Norte he noted lono; lengths of grass stems which had recently been cut by jum])ing mice, while a specimen from east of Antonito was taken