PUFFINUS. SHEARWATER, 



Generic Character. 



Rostrum capite longiilis, gra- 

 cile, ad apicem compres- 

 sum, integrum ; mandi- 

 bulae apice aduncae. 



Nares tubula supra basin 

 rostri decumbente, trun- 

 cato-geminatae. 



Pedes mediocres ; unguis 

 posticus loco poUice. 



Beak longer than the head, 

 slender, compressed at the 

 tip, intire; both mandi- 

 bles hooked at the tip. 



Nostrils placed in a double 

 truncated tube situated at 

 the base of the beak. 



Legs moderate ; a claw alone 

 in place of the hinder toe. 



PUFFINUS. Ray, Briss. 



PROCELLARIA. Linn., Gmel, Lath. Temra. 



Shearwaters resemble the birds of the pre- 

 ceding genus in their manners ; and, like them, 

 they feed of an evening, and lie close in their holes 

 during the day. They are greatly distributed over 

 the globe. 



V. XIII. p. I. 



15 



