XVI 



CONTENTS. 



Larid^. 



PAGE 



Hydroclieliclon nigra. Black Tern .... 616 



„ leucoptera. White-winged Black Tern 522 



J, liyhriila. Whiskered Tern . . .527 



Sterna anglica. Gull-billed Tern . . . .531 



,, caspia. Caspian Tern ..... 536 



„ cantiaca. Sandwich Teru .... 540 



„ dougalli. Roseate Tern ..... 544 



„ JiuviaiiUs. Common Tern .... 549 



„ macrura. Arctic Tern ..... 553 



,, minuta. Lesser Tern ..... 558 



,, fuliginosa. Sooty Tern ..... 562 



Anous stolidus. Noddy Tern ..... 567 



JCema sabinii. Sabine's Gull ..... 573 



lihodostethia rosea. Cuneate-tailed Gull . . . 579 



Larus philadelpliia. Bonapartian Gull . . . 584 



minutus. Little Gull ..... 589 



ridihundus. Black-headed Gull . . . 594 



iclithyaetus. Great Black-headed Gull . . 609 



canus. Common Gull ..... 613 



argentatus. Herring Gull .... 618 



fuscus. Lesser Black-backed Gull . , . 624 



marinus. Great Black-backed Gull . . 631 



glaucus. Glaucous Gull ..... 636 



leucopterus. Iceland Gull .... 642 



Rissa h'idacfgla. Kittiwake Gull .... 650 



Fagopliila ehiirnea. Ivory Gull .... 656 



Stercorarius catarrliactes. Great Skua . . . 662 



,, pomatorhinus. Pomatorhine Skua . . 668 



„ crepidatus. Arctic or Richardson's Skua 674 



„ parasiticus. Long-tailed or Buffon's Skua 680 



