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Show e 632 MR. W. A. FORBES ON THE UAKARI MONKEYS. [Nov. 30, measure over 4 inches ; and those on the limbs are from 3-3\ inches length *. The tail is pretty uniformly covered with moderately long hairs, and is in no degree, in the fresh state, bushy. It is not flattened or bare beneath. On the forearms the hairs converge on the posterior margin to the elbow, being directed backwards and more or less upwards as the elbow is approached. On the anterior margin, however, all the hairs are directed downwards and forwards, so that a parting of the hairs runs down here from the elbow to the wrist. On the posterior limbs this is not observable. The lower surface of the body is much less hairy than above; and there is a well defined median partim* running along it from the thorax to the abdomen. The greatest length of the hand (fig. 1) is 3'5 inches, the breadth across the knuckles about 1*35. The fourth digit is the longest (2-15), being 0*15 inch longer than the third ; the second and filth are about equal (1*75). The thumb is, as in other Cebidee directed in the same plane as the remaining digits ; it measures 1*15 inch in length, reaching slightly beyond the first phalanx of the second digit. The interdigital membrane is slight. The nails are compressed, and rather elongated, particularly on the fifth di<*it; that of the pollex is shorter, and more compres'sed and " nail "-like' The palmar surface is nude; the dorsal sparingly hairy, the hairs extending onto the fingers. " The greatest length of the nude plantar surface is 5*25 inches • its breadth, at the base of the hallux, is I *5 inch. The toes have about the same relations as the fingers, except that the fifth is notably onger than the second. The fourth is about 2*25 inches lone The hallux measures 1*25 inch, and has a broad oval nail, slightly com- The axillary folds are well marked ; and the axills are quite nude as .s a space contnmous with them ou the iuuer aspeet or the "ru' e^ of the axiharv folds- about iWiuchtom *££?& trausverse sht, the vulva, which"'* provided" Sa short clitoris! •O^lSAS^f °f ""• ***•• •- " <*»W' i. - For „ Ml a female of K" ™ s,„t• ;„° „ ''^''/''owecl no trace of it. <W »d myKl, ^iSL^^SS^SSi S3. $& ** e |