ILLUSTRATIONS. 



XI 



Page 



Cormorant .... 369 



Gannet 375 



Red-Billed Tropic 



Bird 381 



Horned Grebe . . . 383 



Pied-Billed Grebe . 386 



Loon 388 



Red-Throated Loon . 393 



Black Guillemot . . 395 



Murre 398 



Brunnich's Murre . 401 



DovEKiE 403 



Puffin 406 



Razor-Billed Auk . 410 



Great Auk 414 



