Tongue of Nestor 320 The Kaka Parrot 321 Skull of the Grey Parrot 323 The Common Cuckoo 326 The Great Spotted Cuckoo 328 The Honey Guide 329 The White-crested Plantain-eater 331 Colies 333 “Hyoid” Bone of Adult Fowl--Side View of Dissection of Head of Common Green Woodpecker 334 Upper View of Skull of Green Woodpecker--Dissection of Head of Green Woodpecker, viewed from below 335 The Wryneck 336 The Great Black Woodpecker and Great Spotted Woodpecker _To face page_ 337 The Green Woodpecker 337 The Toucan 340 Bill of Toucan 341 The Pearl-spotted Barbet 342 The Common Kingfisher 345 The Pied Kingfisher 348 The Laughing Jackass 350 The Great Hornbill 352 The Ground Hornbills of Abyssinia 355 The Common Hoopoe 358 The Australian Bee-eater--Bill of Motmot 361 The Motmot 362 Tail-feathers of Motmot 363 The Blue Roller 365 The Long-tailed Trogon, or Quesal _To face page_ 367 Mouth of Goatsucker--The Oil-bird 368 The Common Goatsucker 369 The Whip-poor-will 370 The Lyre-tailed Nightjar 371 Foot of the Common Goatsucker 372 The Common Swift 373 The Tree Swift 374 The Edible-nest Swiftlets 375 The White-throated Spine-tailed Swift 376 The Sword-bill Humming Bird 377 The White-booted Racket Tail 378