32 



KKY TO THE BIUDS OF EASTEIJX XOUTH AMKUICA. 



* Group 5. Wing, over 8.50 inches long. 



X 



Auk. 



Head aud neck, black, easily distiuguislied 

 by the sliape of ilie bill; a white line ou hill. 

 Alt-atonla. Razor=bilIed Auk. 



See No. 15. 





Murrc. 



/ 



Head a..d „eek, sooty brown ; bill pointed, no ^vhite line on 



bill. Cna troilr. Mur* 



See No. 1.3. 



* For dircctione for roeaeurement;, see page 9. 



