. 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. MAMMALS OF THE MEXICAN BOUNDARY. 393 Cranial and dental characters.—The skull (fig. 71) of Peromyscus so- noriensis rufinus differs from that of P. leucopus in having the zygomatic arches elbowed out in front in such a manner that the skull is wider anteriorly than posteriorly, the reverse being true, as a rule, of P. leucopus. Th
. 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. MAMMALS OF THE MEXICAN BOUNDARY. 393 Cranial and dental characters.—The skull (fig. 71) of Peromyscus so- noriensis rufinus differs from that of P. leucopus in having the zygomatic arches elbowed out in front in such a manner that the skull is wider anteriorly than posteriorly, the reverse being true, as a rule, of P. leucopus. The upper profile of the skull is less flat than that of P. leucopus, being highest interorbitally, thence sloping sharply downward in front and behind. There are somewhat prominent supraorbital and. 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 perfectly resemble the original Mearns, Edgar Alexander, 1856-1916. Washington : Govt. Print. Off.
Size: 1146px × 2181px
Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, books, booksubjectnaturalhistory
