TABLE OF CONTENTS Xlll 



PAGE 



Family Alcidae Continued. 



Brachyramphus hypoleucus 149 



Xantus's Murrelet . . . . . ; . . . .- . . 149 



Habits 149 



Distribution 153 



Brachyramphus craveri , 153 



Craveri's Murrelet 153 



Habits 153 



Distribution 156 



Cepphus grylle 156 



Black Guillemot 156 



Habits 156 



Distribution 161 



Cepphus mandti 162 



Mandt's Guillemot 162 



Habits . ' 162 



Distribution 166 



Cepphus columba 167 



Pigeon Guillemot 167 



Habits 167 



Distribution 172 



Uria aalge aalge 172 



Atlantic Murre 172 



Habits 172 



Distribution 182 



Uria aalge californica 182 



California Murre 182 



Habits 182 



Distribution 189 



Uria lomvia lomvia 189 



Briinnich's Murre 189 



Habits 189 



Distribution . - 195 



Ufia lomvia arra 196 



Pallas's Murre 196 



Habits . . 196 



Distribution 199 



Alca torda .199 



Razor-billed Auk 199 



Habits .199 



Distribution 207 



Plautus impennis . 208 



Great Auk 208 



Habits .208 



Distribution 215 



Alle alle 215 



Dovekie 215 



Habits 215 



Distribution 223 



Literature Cited 225 



Index 233 



