CONTENTS 



The Crotalidas 



The Viperidaj . . . . . 

 The Hooded Suakes .... 



The Colubrina 



The Hydridge or Sea-Snakes 



The Fresh- Water Snakes 



The Tree Snakes .... 



The Pine-Snake, Coach-whip Snake, &c. 



The Colubers 



The Boidai 



Class IV. BATRACHIA 



Order 1. ANURA 



The Ranidie or Frogs 



The Bufonidie or Toads 



The Pipida; .... 



Order 2. TIRODELA 



The Salamandridse . 

 The Amphiumidse 



Order 3. AMPHIPNEUSTA 



Tlie Sirenidti^ 

 The Proteidas . 



Order 4. APODA 

 Order 5. LEPIDOTA . 



Class V. PISCES . 



Order 1, SELACHIA . 



The Chim.tridie . 

 The Squahdfe or Sharks 

 The Raiidfe or Eays 



Order 2. GANOIDEA . 



The Chondrostea . 

 The Holostea . 



Order 3. TELEOSTEA .... 

 The Plectognatha . . . . . 

 The Lophobranchia .... 

 The Acanthoptera . . . . . 



Tlie Aulostomidie or Trumpet-Fishes 



The Trlgilid;t or Gurnards & Sticklebacks 



The Percida; or Perch 



The Scisenidse .... 



The Sparidte . . . . 



The Chtetodontidas 



The Tenth idfe 



The Scomberidfe or Mackerel, Tunny, &c. 



The Xiphiidic or Sword-Fish 



The Coryphffinidas 



The Xotacanthidre .... 



The Cepolidic or Ribbon-Fish 



The Mugilidse 



The Gobiid;« .... 



The Blenniidae ..... 



The Lophiidee .... 



417 

 417 

 417 



418 



418 



419 



424 

 425 

 426 

 428 



431 

 431 

 431 



432 

 432 

 433 

 434 

 434 

 434 

 437 

 439 

 440 

 441 

 442 

 442 

 445 

 445 

 445 

 446 

 446 

 447 

 448 

 449 



Order 4. CTCLOSTOMATA ... 483 



Order 5. LEPTOCARDIA . . .483 



Fossil Fishes 484 



The Artificial Propagation of Fishes . 484 



Division II. MOLLUSCA. ... 487 



Class I. CEPHALOPODA . 494 



Order 1. DDBRANCHIATA ... 494 



The Octopoda 494 



The Decapoda 499 



Order 2. TETRABRANCHIATA . . .502 



The NautiMfe 503 



The AmmonitidiB 503 



Class II. OASTEROPOOA 505 



Order 1. PULMONIFERA . . .505 



The Helicidaj or Snails .... 505 



The Limacidse or Slugs ... - 507 



The Limnseidfe or Pond-Snails . . 507 



Order 2. BRANCHIFERA . . .507 



The Prosobranchiata .... 507 



The Cyprajidse or Cowries . . . 507 



The Conida; ... .508 



The Volutida3 508 



The Muricidas or Whelks, Helmet-Shells, 



&c 509 



The Strombidse or Wing & Conch Shells 512 

 The Turritellidffi or Tower-Shells . 512 

 The Littorinid:c or Wentlo-Traps . .512 

 The Turbinidse or Top-Shells . . 513 



