3G 



FRATERCULA. PUFFIN. 



Generic Character. 



Rostrum capite brevior, tarn 

 altum quam longum, basi 

 tarn latum quam facies, 

 utrinque valde compres- 

 sum, transversim sulca- 

 tum : mandibula superiore 

 apice adunca, inferiore 

 subtus angulosa. 



Na?-cs lineares, basi et lateri- 

 bus rostri sitae, membrana 

 nuda fere toto tectze. 



Pedes breves, tridactyli ; un- 

 gues curvati. 



Aloe mediocres. 



Beak shorter than the head, 

 higher than long, the base 

 broader than the face, 

 on each side very much 

 compressed, transversely 

 grooved ; the upper man- 

 dible hooked at the tip, the 

 lower angulated beneath. 



Nostrils linear, placed at the 

 base and sides of the beak, 

 almost entirely clothed 

 with a naked membrane. 



Legs short, three-toed ; claws 

 curved. 



Wings medial. 



FRATERCULA. Biiss., Leach. 

 ALCA. Linn., Brun., Lath., &c. 

 MORMON. Illig., Temm. 

 ANAS. Ray. 

 LARVA. Vieil. 



1 HE beak of these birds is of a very singular con- 

 struction, being exceedingly compressed; it is shorter 

 than the head ; the mandibles are much arched, trans- 



