. 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. 96.âPeeomyscus stephensi. Skull, a, dorsal view; 6, venteal view; c, lateral view. vertebrse, 108 (to end of pencil, 114); ear from crown, 16; ear from notch, ; length of head, ; length of hind foot, 19. Skull, 23 by Cranial and dental characters.âThe skull (fig. 95) is strongly depressed anteriorly, with the ro
. 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. 96.âPeeomyscus stephensi. Skull, a, dorsal view; 6, venteal view; c, lateral view. vertebrse, 108 (to end of pencil, 114); ear from crown, 16; ear from notch, ; length of head, ; length of hind foot, 19. Skull, 23 by Cranial and dental characters.âThe skull (fig. 95) is strongly depressed anteriorly, with the rostrum produced and the nasals pro- jecting. The z3'gomatic arches are incurved and convergent anteri- ot\j to meet the sloping zygomatic processes, this feature recalling the configuration of young skulls of the other species of Peromyscus, in which the brain case has outgrown the face, though in this case we have the opposite condition, the facial portion being unusually elongated. In P- stephensi the profile of the skull is nearly straight above, declining to the front. The skull is remarkably narrow interorbitally. The teeth are shown in fi^'-96. Remarlis.âA specimen of this species in the American Museum collection (||§| male adult, old) agrees in all respects with the type, and was collected at Palm Springs, San Diego County, California (Colorado Desert), February 19, 1893, by Mr. F. Stephens, for whom the species is named. "Total length, 181; tail vertebra? 110; hind foot, ; Peromyscus eremicus occurs with the present species at Palm Springs. " â Local distribution.âThe type was caught May 8, 1894, among granite bowlders at the first water in the canyon through which the Fig. %.âPeromyscus ste- riiENSi. Crowns of MOLAR TEETH, a. LOWER series; 6, upper Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfec
Size: 2155px × 1160px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, books, booksubjectnaturalhistory
