I'HE BABOONS. 273 



shoulders and middle of the back ; whiskers long, directed 

 backwards, almost concealing the ears ; hair on the lower back, 

 arms, thighs and legs short ; callosities large, and the sur- 

 rounding part of the buttocks nude; tail slightly shorter 

 than the body, arched at the basal third, then descending 

 perpendicularly to its termination, which is tufted ; under sur- 

 face of body and inner aspect of limbs thinly haired ; fourth 

 finger and second toe strongly clawed. 



Face flesh-coloured, darker round the margins of the mouth, 

 lighter round the eyes ; snout, chin, eyebrows, ears, and naked 

 parts of the hands and feet, dark flesh-colour ; general colour of 

 the fur over the body ashy-grey, lightly washed with greenish — 

 the hairs being ringed with alternate bars of black and greyish- 

 green ; the head, the mane on neck and shoulders, and the front 

 part of the body ashy-grey, washed with greenish ; whiskers 

 greyish-white ; hind part of body paler than the fore ; fore- 

 arms and legs greyish-black or almost black ; under side of 

 body greyish-white ; tip of tail darker ; callosities and neigh- 

 bouring nude parts bright scarlet. Length of body, 26 inches ; 

 of tail, 15 inches; height, when standing erect, 4 feet; when 

 sitting, 2^ feet. 



Females and Young Males. — Similar to adult males in coloration, 

 but having no mane ; the females of the same size as the males. 



Both sexes possess laryngeal pouches or air-sacs, extending 

 down the neck nearly to the arm-pits, and connecting with the 

 windpipe by a single opening above the larynx. 



Facial portion of skull proportionately larger than the cranial. 

 Top of skull and forehead flattened ; brain-case and front 

 of cerebrum small and intruded on by the orbits ; the latter 

 directed forwards and outwards, 



3— V. I T 



