TABLE OF CONTENTS. IX 



Family Larldae— Continued. Fa s e 



... Mew gull - 146 



: _ Habits 146 



Distribution __________ 147 



. Larus heermanni • _- 148 



Heermann's gull 148 



Habits. 148 



Distribution 153 



Larus artricilla_ 154 



. Laughing gull . 154 



Habits 154 



Distribution — 162 



Larus franklini 163 



Franklin's gull 163 



Habits 163 



Distribution 174 



" Larus Philadelphia . 175 



. Bonaparte's gull 175 



Habits '. 175 



Distribution ____ 179 



Larus minutus 180 



Little gull 1 180 



Habits— _ 180 



Distribution 182 



Rhodostethia rosea 183 



Boss's gull 183 



Habits 183 



Distribution 190 



Xema sabini 1 191 



- Sabine's gull 191 



Habits !__ 191 



Distribution 196 



Gelochelidon nilotica 197 



Gull-billed tern ___ 197 



Habits ;__ 197 



Distribution 202 



\ r ' Sterna caspia , 202 



Caspian tern__l_ 202 



Habits __!_: 202 



Distribution 210 



Sterna maxina ,_■ 211 



;.;• Royal tern 211 



;i- Habits . 211 



Distribution 218 



Sterna elegans 219 



Elegant tem 219 



Habits 219 



Distribution 220 



Sterns sandvicensis acuflavida__ ■__ 221 



Cabot's tern 221 



Habits 221 



Distribution 226 



Sterna trudeaui 227 



