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Show 628 MR. W. A. FORBES ON THE UAKARI MONKEYS. [NOV. 30, much after the removal of the bones inside. Other specimens in the Paris Museum, Mr. Blanford informs me, have tails of about the same length as ours, while they closely correspond in other respects, the amount of grey on the crown of the head varying in different SPThTanccompanying plate (Plate LXI.), taken from a sketch made by Mr Wolf shortly after the animal's arrival, will give a more correct impression of this Monkey than the figures hitherto published The weight of our specimen, considerably emaciated, was 2 lb. 11 oz. The following measurements were taken on the body before being skinned or otherwise interfered with :- inches. Total length (measured in a straight line from superciliary ridges, over head and body, to tip of tail).. 21*0 Length of tail, including hairs 6*5 Fleshy part of tail 5*65 Length of head, from occipital prominence to glabellum 2*65 From occiput to anterior margin of upper lip, in a straight line • • • • 3*65 Breadth of face (just above the eyes, from outer margin of orbits) 2*0 Breadth of nasal septum 0*75 Breadth of mouth I "2 Length of arm 5*5 Length of forearm • • • 5*0 Length (extreme) of manus 3*5 Length of thigh 6*5 Length of leg 5*75 Length (extreme) of pes (plantar surface) ...... .. 5*25 The face, chin, and sides of the head, as far as the ears, are nearly naked, with only a scanty covering of hairs. The nose and the interval between the eyes (measuring | inch) are very nearly bare, there being here only a very few most minute hairs, only seen in a side light. Along the superciliary ridges are a few long, for-wardly directed, black hairs, white at the base, and slightly curved forwards. There are a few similar hairs also on each side of the face between the nostrils and the angle of the mouth, as well as on the chin. The muzzle, which is somewhat truncated, and the chin are sparsely covered with short bristly white hairs, directed more or less downwards and forwards. The naked skin of the sides of the head was in life flesh-colour, the naked ears being slightly redder. The face and muzzle were, as will be seen from Mr. Wolf's sketch (Plate LXI.), during life bright vermilion-red, so red, indeed, as to give the animal the appearance of being painted; but the amount of this bright red varied much from time to time, depending, apparently, both on the animal's health and on its emotions. Mr. Bartlett tells m e he has seen the |