(g^Ianation of tf)t plate ot SUusftrations 



TO THE FOURTH NUMBER OF 



ZOOLOGICAL RESEARCHES IN JAVA, &c. 



A. Skull of the Semnopithecus Maurus, the natural size reduced one-third ; the posterior portion ' 



having been removed in the preparation of the subject to which the skull belonged, the ■ ' 



contour is indicated by a dotted hne, from a skull contained in the Museum of the Royal , ; 



College of Surgeons. ■ j 



B. Teeth in the upper jaw of the same, of natural size, seen from above. , 



C. Profile of the same. ; 



D. Canine tooth in the upper jaw of the same, with the diitire roots ; shewing the interior surfaces, '■ 



and the grooves with which they are marked. j 



E. Teeth in the lower jaw of the same, seen from above : a principal object of this view is to 



represent distinctly the five points of the posterior grinder, by which character the genus , 



Semnopithecus is distinguished from Cercopithecus. i 



F. Profile of the same, exhibiting an exterior view of the relative situation of the canine tooth, 



and of the first grinder (a). ; 



G. First grinder of the saiAe, with its roots entire, shewing its interior surfaces. ■ 

 H. Teeth of the Simla syndactyla, or Siamang, in the upper jaw, of natural size, seen from : 



above, from a skuU contained in the Museum of the Royal College of Surgeons. 



/. Profile of the same. ] 



K. Teeth in the lower jaw of the same, seen from above. j 



L. Profile of the same, exhibiting (a) the first grinder. j 



iff'. Teeth in the upper jaw of a young subject of Simla syndactyla, of natural size, seen from j 



above : from the Museum of Joshua Brookes, Esq. , 



N. Profile of the same. '■ 



O. Teeth in the lower jaw, from the same, seen from above. I 



P. Profile of the same. ; 

 Q. Skull of the Pteropus javanicus, of natural size. 

 R. Teeth of the same, in the upper jaw, seen from above. 



S. Profile of the same. ! 



T. Teeth of the same, in the lower jaw, seen from above. j 



U. Profile of the same. I 



W. Profile of the head of the Pteromys genibai-bis, somewhat enlarged, to shew the bristles j 



disposed on the upper lip, on the cheeks, and on the lobes of the ears. : 



X. BiU of Calyptomena viridis, seen from above. ! 



Y. Foot of the same. I 



Z. Profile of the bill of the same ; in {a) the aperture and direction of the tubular nares. ! 



