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Show 62 ZOOLOGY OF THE VOYAGE OF TilE BEAGLE. The molars of the upper jaw are figured in Plate 34, fig. 13, a, and those of the lower jaw, fig. 13, b. "Caught in the interior plains of Patagonia in lat. 50°, near the banks of the Santa Cruz."- D. 23. Mus GRISEO-FLAVUS. Pr,ATE XXI. Mus grisco-flavus, Waterlt., Proceedings of the Zoological Society of London for F ebruary 1837, p. 28. M. sttpTa gTiscus jlavo-lavatus, ad latera flavus, subtus albus ; pedibus albis ; aw·ibus mag nis et jere nudis ; cauda caput cmpttsque Jere cequante, supra fusco-nigricante. sttblt'ls alba; vellere longo, molli. DEsCRIPTION.- Ears large; tail rather shorter than the head and body taken together; tarsi slender, and moderately long; fur long and very soft; general tint of the upper parts of head and body grayish, washed with brownish yellow; on the sides of the body a palish yellow tint prevails; feet, chin, throat, and under parts of body pure white ; tail rather sparingly clothed with hairs, those on the apical portion rather long, and forming a slight pencil at the tip; on the upper side and at the tip of the tail the hairs arc brown, on the under side they are dirty white; the ears arc very sparingly clothed with minute brownish yellow hairs internally ; externally, on the fore })art, the hairs are rather longer and of a brown colour ; the upper incisors are orange, and the lower incisors are yellow ; the hairs of the moustaches are long, and of a black colour; the hairs of the back are deep gray at the base, brownish at the tip, and annulated with pale brownish yellow near the tip ; the longer hairs are brown; the hairs of the belly are white externally, and gray at the base; on the throat the hairs are white to the root. Length from nose to root of t..'til of tail from nose to car In. Lines. Habitat, Northern Patagonia (August.) Length of trtrsus (claws included) of oar In. Li nes. 2~ 0 The molars of the upper jaw are figured in Plate 34, fig. 15, a, and those of the lower jaw, fig. 15, b. "Inhabits the dry gravelly plain, bordering the Rio N egro."-D. |
