CONTENTS 
xii 
Page 
CHAPTER XXXVI.— ORDER OF CROCODILES AND ALLIGATORS CROCODILIA 317 
Page I Crocodile Family 319 
Synopsis of the Crocodilians . . . 317 1 American Species of Crocodilians . . 320 
CHAPTER XXXVII.— ORDER OF TORTOISES, TERRAPINS, AND TURTLES 
CHELONIA 323 
Synopsis of the Order of Tortoises and 
Turtles 324 
Tortoise Family 324 
Mud-Terrapin Family 326 
Smooth-Shelled Terrapins .... 326 
Snapping Terrapins 328 
Soft-Shelled “Turtles” .... 329 
Hard-Shelled Sea Turtles . . . 330 
Leathery-Shelled Sea Turtles . . . 331 
CHAPTER XXXVIII.— ORDER OF LIZARDS LACERTILIA 333 
CHAPTER XXXIX.— ORDER OF SERPENTS OPHIDIA 337 
General Characters of Serpents . . 337 
Food of Serpents 338 
Popular Questions and Misapprehensions 339 
Largest Species of Serpents . . . 340 
Harmless Snakes of the United States . 343 
Poisonous Snakes of North America . 347 
Species of Rattlesnakes .... 349 
Snake Poisons, and their Treatment . . 353 
BOOK IV— AMPHIBIANS 
CHAPTER XL.— INTRODUCTION TO THE CLASS OF AMPHIBIANS . . . .359 
General Characters of Amphibians . . 359 | Bird’s-Eye View of the Amphibians . . 360 
CHAPTER XLI.— ORDER OF FROGS AND TOADS . . . EC AU DAT A 361 
Family of Water Frogs .... 362 | Toad Family 364 
Tree-Frog Family 363 I Tongueless Frogs 364 
CHAPTER XLII.— ORDER OF TAILED AMPHIBIANS .... URODELA 366 
Family of Salamanders 
Newts, or Tritons 
Family of Amphiumas . 
. 366 
. 368 
. 369 
Free-Gilled Salamanders . 
Two-Legged Salamanders . 
Order of Worm-Like Amphibians 
. 370 
. 370 
. 371 
BOOK V— FISHES 
CHAPTER XLIII.— INTRODUCTION TO THE CLASS OF FISHES . . . .375 
Fishery Industries and Fish Propagation 376 | The Orders of Living Fishes . . . 378 
Distribution of Eggs and Live Fish . . 377 I 
CHAPTER XLIV.— ORDER OF THE CONNECTING-LINK FISHES SIRENOIDEI 3S0 
CHAPTER XLV.— ORDER OF THE SPINY-FINNED FISHES . ACANTHOPTERI 382 
Basses and Sunfishes .... 382 
Sea-Bass Family 385 
Perch and Pike-Perch Family . . . 386 
Miscellaneous Spiny-Finned Fishes . . 388 
Snapper Family 391 
Odd Fishes of the Spiny-Finned Order . 392 
CHAPTER XLVI.— ORDER OF PIKES 
. HAEPLOMI 394 
