X TABLE OF CONTENTS. 



] 

 227 



Family Laridae— Continued. a 



Trudeau's tern 



Habits 227 



Distribution 228 



Sterna forsteri 229 



Foster's tern 229 



Habits . 229 



Distribution 2S5 



Sterna hirundo 236 



Common tern 236 



Habits 236 



Distribution — 248 



Sterna paradisaea 249 



Arctic tern 249 



Habits 249 



Distribution . 255 



Sterna dougalli , 256 



Roseate tern 256 



Habits 256 



Distribution 264 



Sterna aleutica 265 



Aleutian tern : ■. 265 



Habits 265 



Distribution 269 



Sterna antillarum 270 



Least tern 270 



Habits 270 



Distribution 278 



Sterna fuscata 279 



Sooty tern 279 



Habits 279 



Distribution 286 



Sterna anaetheta 287 



Bridled tern 287 



Habits 287 



Distribution . 289 



Chlidonias nigra surinamensis 290 



Black tern ! 290 



Habits 290 



Distribution 298 



Chlidonias leucoptera 299 



White-winged black tern 299 



Habits : 299 



Distribution 301 



Anous stolidus _ 301 



Noddy 301 



Habits 301 



Distribution ona 



Family Rynchopidae 3j0 



Rynchops nigra 3^ 



Black skimmer 310 



Habits oiq 



Distribution „ 18 



References to bibliography ----- 



Explanation of plates ~ QO ~ 



Index 33 9 



