XIV CONTEXTS. 



CHAPTER XXV. 



REPTILES. 



Defences of the Chelonians, Lizards, Frogs, and Toads Locomotion of Serpents 

 Legs of the Tortoise and Turtle The Gecko's Foot The Chameleon The 

 Viper's Fang How Serpents swallow their Food Tongue of the Chameleon and 

 of the Crocodile Vertebral Teeth of the Deirodon Maternal Affection of the 

 Cayman Hybernation Usefulness of Reptiles Their Enemies and their 

 Fecundity ........ PAGE 268 



CHAPTER XXVI. 



Their Wings and Rapidity of Flight Quill-feathers Wings of the Ostrich and 

 the Penguin Feathers Rump-gland Legs of Birds Waders Swimmers 

 Raptorial Birds Perchers Beaks of Birds Black-skimmer Boatbill Spoon- 

 bill Crossbill The Flamingo's and the Toucan's Tongue Digestive Apparatus 

 of the Birds Strength of Vision Services of Birds Nests of Birds The 

 Sand-martin The Woodpecker The Chaffinch The Cassique The Balti- 

 more Oriole Weaver-birds The Baya The Social Grosbeak The Tailor- 

 bird The Tallegalla The Sea-lark Heroism of Birds in defending their 

 Young The Lammergeier Artifices of the Lapwing and Ostrich Memory and 

 Intelligence of Birds Migratory Instinct . . . .286 



CHAPTER XXVII. 



MAMMALIA. 



Modifications in the Structure of the Limbs of Mammalia Fins of the Whale, Walrus, 

 and Seals Wings of the Bat The Nycteris The Flying Squirrel Shovels of 

 the Mole Limbs of the Cervine and Bovine Races The colossal Pillars of the 

 Elephant The Hare The Jumping Hare The Kangaroo The Sloth Mon- 

 keys Leaps of the Wanderoo The Squirrels Soles and Toes Sole-pads of 

 the Camel Prehensile Tail of the American Monkeys and other Quadrupeds 

 Tail of the Aquatic Mammalia, of the American Ant-Bear, of the Kangaroo and 

 Pengolin Masticatory Organs Teeth of the Carnivora, the Ruminantia, and the 

 Rodents The Baleen of the Whale The Ant-eater's Tongue The Stomach of 

 the Ruminants The Camel's Paunch Water-pouches of the Elephant Cheek- 

 pouches of the Hamster Senses of the Mammalia The Elephant's Proboscis 

 Defensive and Aggressive Weapons of Mammalia Burrows of the Prairie Dog 

 The Hamster's Cave Habitations of the Beaver and the Musquash The Mole 

 and the Australian Duckbill The Armadillo and the Hedgehog The Porcu- 

 pine -The Skunk Gregarious Quadrupeds Guards Bird-guardians of the 

 Rhinoceros and the African Buffalo Friendships of Animals The Tiger and the 

 Dog Attachment of Domestic Animals to Man Parental Affection Pouch of 

 the Opossum and Kangaroo Services of the Quadrupeds Sagacity of the Dog, 

 the Horse, the Monkey, and the Elephant Hybernation Happiness of 

 the Wild Mammalia . . . . . . .317 



