/ 



34 Description of a Gibbon. 



animal arrived in a good state of preservation, and was 

 dissected as minutely as was practicablej in the warm 

 month of July. 



The hair was uniformly of a dirty brown color over the 

 whole body and extremities. None on the face, ears, 

 palms of the hands, soles of the feet, or on the callosities 

 of the buttocks. Face and hands were black. The back 

 very straight and flat, the bases of the scapulae approxi- 

 mating closely. The abdomen not protuberant. Two 

 pectoral mammae, terminated by long nipples. The tho- 

 racic and abdominal cavities corresponded to the human or- 

 ganization. The right lung had its three lobes. This is 

 here particularly mentioned, because in the one examined 

 by Daubenton he found four lobes in the right lung* The 

 appendix vermtformis was as in man. The pathological 

 appearances were, enlargement of the mesenteric glands, 

 and ulcerations on the mucous surface of the intestines. 



The facial angle of Camper was 60"^. No cheek 

 pouches. The ears were very similar to the human, 

 bemg furnished with the helix, or outer border. CaUosi- 

 ties small. This animal was well advanced in age, as 

 indicated by the obhteration of the sutures, and by the 

 existence of the w^hole series of teeth. The os frontis is 

 nearly on a line drawn horizontally fi'ora the superciliary 

 arches, which arches are largely developed. The cavities 

 of the orbit are very deep and round, and the external 

 orbitar processes project very much laterally. No mas- 

 toid or styloid processes. No traces of the existence of 

 an intermaxillary bone. 



The teeth are thirty-two. The upper incisors rather 

 oblique, but the lower perpendicular. The four superior 

 are of about an equal size, the edges blunt. The external 

 mcisors are wom down by the action of the lower canines 



on their outer edges. The upper canines are enormously 



