THE HOOLOCK. 139 



arm are within one inch two-tenths of being equal in 

 length. 



The dentition of this species nearly agrees with that 

 of its congeners ; but is remarkable in the length of 

 the canine teeth. 



We now add the interesting letter of Dr Burrough 

 accompanying the specimens described by Dr Harlan. 



" The specimens of the orang-outang or Gibbons, 

 furnished you, were obtained by me during my late 

 excursion into the interior of Bengal. They were pre- 

 sented to me by Captain Alexander Davidson, of the 

 Honourable East India Company, stationed at Goal- 

 para, situate on the Burrampooter river, in Assam. 

 This district of country was formerly attached to the 

 Burmese empire, but at present is in possession of the 



