751 



4991. The skeleton of a male Short-tailed Monkey (Macacos Rhesus). 



The permanent teeth have been fully acquired. The vertebral formula is : 7 cervical, 

 12 dorsal, 7 lumbar, 3 sacral, and 15 caudal. 



Purchased. 



4992. The skeleton of a young Macacus Rhesus. 



The deciduous molars are not completely shed in the lower jaw, and the last true molars 

 and permanent canines have not been acquired. The vertebral formula is: 7 cervical, 

 12 dorsal, 7 lumbar, and 3 sacral: there are 12 caudal vertebrae, but the series is incom- 

 plete. 



Mus. South. 



4993. The skull of a female Macacus Rhesus. 



The last true molars are not fully developed. 



Hunterian. 



4994. The skull, vertically and longitudinally bisected, of a Macacus Rhesus. 



Hunterian. 



4995. The skull of a Macacus Rhesus. 



The teeth have been removed from the right side of both upper and lower jaws and are 

 separately displayed. The squamosals have coalesced with the parietals. 



Hunterian. 



4996. The skeleton of a Macacus radiatus. 



The vertebral formula is : 7 cervical, 12 dorsal, 7 lumbar, 3 sacral, and 22 caudal. The 

 simple transverse processes of the seventh cervical are imperf orate. The tripartite character 

 of the dorsal transverse process is well shown on the tenth of that series. The fabellae are 

 retained behind the condyles of each femur. Haemapophyses are present beneath the four 

 anterior interspaces of the caudal vertebrae : hypapophyses only are developed in the suc- 

 ceeding ones. 



Mus. South. 



4997. The skull of a young Macacus radiatus. 



The permanent canines and last molars have not cut the gum. 



4998. The skull of an immature Macacus pileatus. 



Hunterian. 



The canines have pierced the gum, but the last molars are still concealed in their formative 

 alveoli. 



Hunterian. 



