vin CONTENTS 



CHAPTER XXXIII 



PAGE 



ORDER OF TUBE-NOSED SWIMMERS OF MID-OCEAN 



TUBINARES 233 



ALBATROSS FAMILY 234 



FULMAR FAMILY 239 



THE TRAGEDY OF THE LAYSAN ALBATROSS . . . . . .241 



CHAPTER XXXIV 



ORDER OF LONG-WINGED SWIMMERS 



LONGIPENNES 249 



GULLS AND TERNS 249 



SKIMMER FAMILY 256 



SKUA AND JAEGER FAMILY 257 



CHAPTER XXXV 



ORDER OF WEAK-WINGED DIVING BIRDS 



PYGOPODES 259 



GREBE FAMILY 260 



LOON FAMILY 262 



CLIFF-DWELLERS OF THE SEA 264 



AUKS AND PUFFINS 268 



CHAPTER XXXVI 

 ORDER OF FLIGHTLESS DIVERS . IMPENNES 273 



