242 



THE ANIMALS OF NEW ZEALAND 



Order Tubinares. 



Bill hooked af the tip, the nostrils in tubes. Wing pointed. 

 Hind toe reduced to a claw. Egg generally white. Eye dark 

 hazel. 



Black-billed Gulls. 



Key io the Families. 



1. Nostrils on each side of the bill. 



Nostrils on the upper surface of the bill. 

 •2. Nostrils distinct. 



Nostrils united, or nearly so. 

 3. First quill the longest. 



Second quill the longest. 



Diomedeidse. 



.3 



Peleeanoidse. 



3 

 Pnfflnidfe. 

 Procellariidffi. 



