SIMIA 175 



SYLVANUS, he doubtless supposing there were two tailless monkeys in 

 Africa, as he does not cite 'Ceylon' for his 5". inuus. In fact he dis- 

 tinguishes them from each other by giving sylvanus a "capite sub- 

 rotundo," and inuus "capite oblongo," altogether too fine a distinction 

 to apply to so closely allied tailless monkeys. As there seems to be 

 no reason for doubting that Simia sylvanus was the North African 

 Macaque, the long accepted name for the species, inuus, will have to 

 give place to the prior claim of sylvanus and become its synonym. 



