ROYAL MONKEY. 71 



assures us, that one sometimes mounts the top 

 of a branch, and assembles a multitude below: 

 he then sets up a howl so loud and horrible, that 

 a person at a distance would imagine that a hun- 

 dred joined in the cry : after a certain space he 

 gives a signal with his hand, when the whole as- 

 sembly join in chorus; but on another signal a 

 sudden silence prevails, and then the orator 

 finishes his harangue. This howling faculty is 

 owing to the conformation of the os hyoides, or 

 throat bone, which is dilated into a bottle-shaped 

 concavitv 



ROYAL MONKEY. 



Simla Seniculus. Lin. S. caudaia barb at a rufa, cauda prehensili. 



Lin. Syst. Nat. p. 37. 

 Long-tailed bearded red Monkey, with prehensile tail. 

 Alouate. Buff. 15./. 5. and suppl. p. Sj.pl.2'/. 

 Royal Monkey. Pennant Quadr. p. 215. 



This is sometimes considered as a variety of 

 the former, from which it differs in being of a 

 very bright bay colour. In other respects it is 

 said to resemble the former. It is, however,, in 

 all probability, a distinct species. In the Leve- 

 rian Museum are two which appear to be young 

 animals. They are about the size of a squirrel, 

 and entirely of a very bright ferruginous or red- 

 dish chesnut colour, with the face naked and 

 black, surrounded on the lower parts by a strag- 

 gling beard of black hairs, and the tail is strongly 



