XVI 



CONTENTS. 



Larid^, 



PACE 



Hydi'oclielidon nigra. Black Tern .... 516 



„ leucoptera. White-winged Black Tern 622 



,, hyhrida. Whiskered Tern . . .527 



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



caspia. Caspian Tern ..... 536 



cantiaca. Sandwich Tern .... 540 



dougalU. Roseate Tern ..... 544 



Jiuviatilis. Common Tern .... 649 



onacrura. Arctic Tern ..... 558 



jninufa. Lesser Tern ..... 558 



fuliginosa. Sooty Tern ..... 562 



Anous stolidus. Noddy Tern ..... 567 



Xema sabinii. Sabine's Gull ..... 573 



Ixliodostetliia rosea. Cuneate-tailed Gull . c . 579 



Jjarus pliiladelflda. Bonapartiau Gull . . 584 



,, minuhis. Little Gull ..... 589 



,, ridihundiis. Black-headed Gull . . . 594 



,, icIitJiy actus. Great Black-headed Gull . . 609 



,, canus. Common Gull ..... 613 



,, argentatiis. Herring Gull .... 018 



,, fiiscus. Lesser Black-backed Gull . . . 624 



„ marinus. Great Black-backed Gull . . 631 



,, glauciis. Glaucous Gull ..... 636 



,, leucopterus. Iceland Gull .... 042 



jRissa tridactyla. Kittiwake Gull .... 650 



Fagopldla eburnea. Ivory Gull .... 656 



Stercorarius caiarrliactes. Great Skua . . . 662 



„ pomatorhinus. Pomatorhine Skua . . 668 



„ crepidaius. Arctic or Richardson's Skua 674 



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



