iv CONTENTS. 



Pkte Page 



Genus BUTEO 116 



Buteo vulgaris. Common Buzzard 5. 117 



Genus CIRCUS 123 



Circus ceruginosus. Marsh-Harrier 6. 124 



cyanus. Hen-Harrier 6. 128 



cineraceus. Montagu's Harrier 6. 131 



Genus ACCIPITER 134 



Accipiter nisus. Sparrow-Hawk 4. 135 



palumbarius. Goshawk 5. 



atricapillvs. American Goshawk 145 



Family STEIGID5J UQ 



Genus ALUCO 147 



Aluco flammem. Barn-Owl 7. 148 



Genus STRIX 152 



Strix aluco. "Wood-Owl 6. 154 



- otus. Long-eared Owl 7. 160 



tengmalmi. Tengmalm's Owl 7. 164 



brachyotus. Short-eared Owl 7. 167 



Genus NOCTUA 173 



Noctua noctua. Little Owl 7. 174 



Genus SURNIA 176 



Surnia nyctea. Snowj- Owl 7. 177 



funerea. Hawk Owl 183 



Genus BUBO 186 



Bubo maximus. Eagle-Owl 7. 187 



Genus SCOPS 192 



Scops scops. Scops Owl 7. 193 



Family PASSERID-ffi 196 



Subfamily TURDIN& 197 



Genus GEOCICHLA 198 



Oeocichla varia. White's Ground-Thrush 8. 200 



sibirica. Siberian Ground-Thrush . 204 



