OCR Text |
Show 416 DR. J. E. I;RAY ON THE BRADYPODIDA. [May *» II. Fur grey, elongate, flaccid, sometimes very indistinctly marbled with white blotches. a. The male with a large gellow soft patch of hair on the back. 7. ARCTOPITHECUS GRISEUS. (Plate XXXVI.) Fur very long, greyish white, scarcely mottled ; under-fur very long and abundant, black or white. Forehead and cheeks yellowish white ; a broad baud across the crown of the head and a broad streak from the orbits black. Male with a large yellow patch of soft hair in the middle of the back, with a broad central streak, and varied with blackish brown on the margins. Angle of the lower jaw broad, rounded, not produced beyond the back edge of the condyle. Fig. 6. Skull of Arctopithecus griseus. Arctopithecus griseus, Gray, Ann. & Mag. N. H. 1871, vii. p. 302. Hab. Costa Rica, Cordillera del Chucu, Veragua (Salvin). The males and females have a more or less distinct dark dorsal spot, which is only visible when the animal is very carefully examined ; and the general fur shows in some lights indefinite pale blotches on the back aud limbs, which are produced by certain dark parts of the under-fur. The upper parts and sides of the head and neck dark brown ; the forehead, the cheeks, and chin white ; this white colour occupies a less space of the chin and cheeks, and is less marked in the males than in the females or young. The black streak through the eye is distinct, is widened out on the sides of the face in the males, but is narrower behind and shorter in the female and young. The under-fur is very abundant and very soft, elongate, pure white, and with black or chocolate-brown in spots, producing rather a mottled appearance. Two of these white spots on the middle of the back are very distinctly marked in the female, and I at first thought they were a good character for a separate species ; but I find, now the specimens are stuffed, that there are similar spots scattered over the bodies of all four specimens. The dorsal spot of the male is pale yellow with a very black central band, paler yellow |