VI CONTENTS. 



Plate Page 



Red-breasted Merganser, . LVIII. & LVIIL* 379 



Hooded Merganser, . . LVIII.** 383 



Smew or White Nun, . . LIX. 385 



Red-necked Grebe, . . LXXII. 392 



Crested Grebe, . . . LXXIII. 394 



Horned Grebe, . . . LXXIV. 397 



Eared Grebe, . . . LXXIV. 399 



Little Grebe, . . . LXXV. 401 



Northern Diver, . . . LXXVI. 406 



Black-throated Diver, . . LXXVII. 411 



Red-throated Diver, LXXVIII. & LXXVIII. 414 



Foolish Guillemot, - . . LXXIX. 420 



Black Guillemot, . . . LXXX. 426 



Common Rotche, . . . LXXXI. 430 



Great Auk, . . . LXXXII. 433 



Razor Bill Auk, . . . LXXXIII. 435 



Common Puffin, . . . LXXXIII. 439 



Common Cormorant . . LXXXIV. 446 



Crested Cormorant, . . LXXXVI. 450 



Solan Gannet, LXXXVIL* & LXXXVII. 455 



Caspian Tern, . . . 463 



Sandwich Tern, . . . LXXXVIH. 464 



Common Tern, . . . XC. 468 



Roseate Tern, . . . LXXXIX. 470 



Arctic Tern, . . . XC. 473 



Lesser Tern, . . . LXXXIX. 475 



Black Tern, . . . XCI. 477 



Gull-billed Tern, . . . LXXXVIH. 480 



Little Gull, . . . XCII. 484 



Black-headed Gull, . . XCII. 486 



Common Gull, . . . XCIII. 490 



Kittiwake, . . . XCIV. 493 



Ivory Gull, . . . XCIV.* 497 



Glaucous Gull, , . . XCIX. 498 



Iceland Gull, . . . XCVIII. 501 



Herring-Gull, . . XCVI. & XCVL* 504 



Great Black-backed Gull, XCVII. 507 



