. 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. 7i.—PEE0MYSCUS aONOElENSlS RUFINUS. SKOLL. O, DOESAL VIEW, 6, VENTRAL VIEW; C, LATERAL VIEW. temporal ridges which P. leucopus lacks, and the premaxillaries are narrower. The incisive foramen is longer than in P. leucopus, the interpterygoid fossa longer and narrower, and the mandible has more produced angular and coronoid pr
. 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. 7i.—PEE0MYSCUS aONOElENSlS RUFINUS. SKOLL. O, DOESAL VIEW, 6, VENTRAL VIEW; C, LATERAL VIEW. temporal ridges which P. leucopus lacks, and the premaxillaries are narrower. The incisive foramen is longer than in P. leucopus, the interpterygoid fossa longer and narrower, and the mandible has more produced angular and coronoid processes, as in other members of the sonoriensis group. The teeth are shown in fig. 72. Habits and local distribution.—This beautiful mouse, which appears to intergrade with the plains mice of the Austral life zone, is actually a forest animal, living in great numbers in the pine, aspen, and Douglas spruce woods of the Arizona moun- tains. I found it in the Mogollon and San Francisco mountains, frequenting camps, cabins, and every part of the woods. On September 5,1886, 1 visited the ranch of Mr. Charles Ryall, in the Verde Moun- tains west of Little Squaw Peak. Dozens of these mice were running about the walls, rafters, and thatching of thelog cabin. A pair of slender snakes of the kind called "blue racers" were gliding gracefully about the ceiling in the thatch and through crevices between the logs. One of the snakes caught a mouse, and the pursuit had caused the excitement among its companions. On the Mogollon Mountains, August 21, 1887, I trapped a pretty wood mouse in a "delusion" mouse trap. Wishing to carry the httle beast to Fori Verde, I wrapped the trap in a woolen "; Upon the road the'woolly garment was nibbled and pulled into the trap, where it was cleverly made into a nice warm nest. Fig. 72.— S0N0R1ENS13 RUFiN- us. Ceowns of MOLAR- TEETH. a, LOWER SERIES, b, UPPER Please note that these images are e
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