OCR Text |
Show 70 ZOOLOGY OF TilE VOYAGE OF TilE BEAGLE. as the body; tarsi rather long; fur long and very soft. General tint of the upper parts of the body grayish brown, with a considerable admixture of yellow; of the sides of the body grayish tinted with yellow; the lower portion of the cheeks, and the lower half of the sides of the body are of a delicate yellow colour; the under parts of the head and body are yellowish white ; the fore part of the thigl1s is whitish ; the rump, feet, and tail are white, excepting the upper surface of the latter, which is brown ; behind each ear there is a patch of yellowish white hairs. The ears are tolerably well-clothed with hairs; those on the iuner side are for the most part of a yellow colour, but towards the posterior margin they are brown; externally, the hairs are also yellow, excepting on the fore part, where they are dusky brown. The hairs of the moustaches are very long and numerous ; black at the base, and grayish at the apex. The feet are well clothed with hairs which cover and nearly hide the claws ; the under side of the tarsus is clothed with grayish brown hairs. The tail is well clothed with tolerably long hairs which completely hide the scales. The hairs on the back are of a deep gray colour at the base, broadly annulated with yellow near the apex, and dusky at the apex : the longer hairs are black: on the throat and belly the hairs are deep gray at the base, and broadly tipped with pale yellow- towards the cheeks and sides of the body with a deeper yellow. The incisors are yellow. In. Lines. In. Lines l, ngth from nose to root of tail 5 Length of tarsus (claws included) ] 4t of tail 3 3 ~ of car 0 7 from nose to eM 4 Habitat, Patagonia, (April and Janum·y). In the arched form of the head this little animal bears considerable resemblance to a yonng rabbit, a resemblance which has struck almost all who have seen it, I have therefore applied to it the specific name Cuniculoides. The skull is figured in Plate 33, fig. 2. a., its dimensions are as follows:- Total length Width Length of nasal bones of incisive foramina. . . . . . . . Di. tan co between the outer surface of the inci sors aml tho front mola.r upper jaw Longitnclinal extent of the three molars of the upper jaw . . . Length of a ramus of the lower jaw, without the incisor ln. 1 0 0 0 0 0 Lines. 4 10 7 4* 5 a ~ 9 ~ The molar teeth of the upper jaw are figured in Plate 33, fig. 2, c. and MAMMALIA. 2, e; of the lower jaw fig. 2 d p· 71 magm'f i e d . Fi.g . 21, a P'I t. Ig. 2, b' repres ents t h e I. nci.s ors of th . ficr 2 7. • ' ' a e 34, represent t1 e upper Jaw o. "1 S' u , IS. the side view of the same, and fig s le skull, viewed fi·om b h 21 . eneat pecunens were procured t p D . ' c, IS the lower J. aw , th. I a ort esi . S . . IS atter place they were caught in num Ie,. t. Juhan, and Santa Cruz. at n~ar the .coast and on the interior plains b~s, (m .traps baited with clleese,) both 1336 grams. In the early part of Janu . :pecimen from Santa Cruz weighed St. Julian."-D. ary, t ere were young indivi'd ua 1s at p ort 2. REITHRODON 'l'YPICUS Reithrodon typicus w, t , P · ' a errt., rocecdings of tl z 1 . R Je oo ogHlal Society of L d ~ . vellm·e supt·a pil' fl . . on on or February 1 837, J>· ao. . . . zs avescentz-fuscis et n .()' . . . re~ zo~e cu·ca oculos, genis, lateribusq . .z~ 1 escent~bus zntermixtis composito . mzxtzs • · ' 7. • • . ue C01'p01tS UU1'atzs 'l' //' • . 1 'pm ltuus znJenonbus a1trat. . ,1. . , pz zs pa tde jusczs inter-m · . , zs , 1 mnat·to ad l t fl agnzs, zntus pilisjlavis extz'tsfl . . a era avescenti-albu . auribus bt ' , a?Jts et fusczs ind t. ' su us sordide albd j pedzbus albis. ' , u zs; caudd suprd paltide fusc!t, DESCRIPTION -Ears 1 . . f · mge ; tarsi moderate· fur d 1 o the upper parts brown- f th , mo erate y long; general tint the cheeks and flanks a rich o II e u.pper surface of the head blackish . on and body are bright yellow . ~~e o; tmt prev~ils; the under parts of the l~ead and dirty white beneath Th le eet are white ; the tail is brownish above these are of a yellowl~Sll . ] e ears ar~ tolerably well clothed with hairs and · co our exceptm h r ' they are brown. the tarsi a. , d g on t e lOre part, externally, where hairs of the mou~tach . Ie covere beneath with grayish brown hairs. the es me numerous and d 1 ' and gmyish at the apex Tl h . f mo erate y long, black at the base broadly annulated WI'th .yell le mrs oh the back are deep gray at the base ow near t e a e d bl ' upper surface of the head th h . . p x, an ack at the apex ; on the hence a blacki'sh h '1 c aus aie very narrowly annulated with yellow ue preva1 s Th 1 h · • hairs of the throat and be!J . ar c onger au·s on the back are blac..:k; the yellow Th . . y e gray at the base, and broadly tipped with · e Incisors are yellow. Length from nose to root of tail of tail . In, Lines. from nose to car 1 4i Habitat, Maldonado, La Plata, (June). Length of tarsus (claws included) of car * Tho tail is imperfect. In. Lines. 1 2i 0 Bi |