. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 16. X 1| 17. Figs. 16 and 17. Reithrodontomys australis vulcanius. Type. Measurements. —Type, adult ^, total length, 170; tail vertebrae, 95 ; hind foot, 19; ear, 14. Skull, basal length, ; occipitonasal length, ; zygo- matic width, ; mastoid width, 11; interorbital width, ; length of nasals, ; width of nasals, ; length of palate to palatal notch, ; length of palatal slits, 5 ; width of palatal slits, ; upper molar series, ; length of single half of mandible, Remarks. — R. austra
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 16. X 1| 17. Figs. 16 and 17. Reithrodontomys australis vulcanius. Type. Measurements. —Type, adult ^, total length, 170; tail vertebrae, 95 ; hind foot, 19; ear, 14. Skull, basal length, ; occipitonasal length, ; zygo- matic width, ; mastoid width, 11; interorbital width, ; length of nasals, ; width of nasals, ; length of palate to palatal notch, ; length of palatal slits, 5 ; width of palatal slits, ; upper molar series, ; length of single half of mandible, Remarks. — R. australis vulcanius is a well marked alpine form, very differ- ent from true R- australis in color, and also in its exceedingly long, silky pelage. The skull is slightly 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 Harvard University. Museum of Comparative Zoology. Cambridge, Mass. : The Museum
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