xii 



S YSTEMA TIC INDEX. 



CLASS V. PISCES. 

 FISHES. 



Page 

 456 

 458 



Characteristics of Fishes ... 

 The Classification of Fishes 



SUB-CLASS I. DIPNOI. 



Lung-fishes 459 



SUB-CLASS II. HOLOCEPHALI. 

 The Chimaeroids ... ... ... 461 



SUB-CLASS III. TELEOSTOMI. 



Bony Fishes and Ganoids 462 



Order I. Actinopterygii. 



The Fan-finned Teleostomes ... 463 

 Sub-order i. Acanthopterygii. 



The Spiny-finned Fishes, Etc. ... 463 

 Section Perciformes. 



The Common Perch, Etc. ... 463 

 Section Scorpseni formes. 



The Micropus, Etc. ... ... 467 



Section Berychiformes. 



The Slime-heads 467 



Section Curtiformes. 



The Indian Curtis, Etc. ... 468 



Section Polynemiformes. 



The Poly nemus, Etc 468 



Section Sciaeniformes. 



The Meagre, Etc 468 



Section Xiphiiformes. 



The Sword-fish ... 469 



Section Trichiuriformes. 



The Scabbard Fish, Etc. ... 470 



Section Cotto-Scombriformes. 



The Surgeons, Etc. ... ... 470 



Section Gobiiformes. 



The Lump-suckers, Etc. ... 476 



Section Blenniiformes. 



Marine Band-fishes, Etc. ... 477 



Section Mugiliformes. 



The Barracuda-pikes, Etc. ... 478 

 Section Scombresociformes. 



The Flying-fish, Etc. ... ... 479 



Section Gastmsteiformes. 



The Sticklebacks, Etc 480 



Section Centrisciforme?. 



The Bellows-fish, Etc. 482 



Section Gobioesociformes. 



The Sucker-fishes, Etc. ... ... 482 



Section Channiformes. 



The Serpent-heads, Etc. ... 482 



Page 

 Section Labyrinthici. 



The Climbing-perch, Etc. ... 483 

 Section Lophotiformes. 



The Unicorn-fish ... ... 484 



Section Tseniiformes. 



The Riband- fishes 484 



Section Notacanthiformes. 



The Thorn-backs ... ... 485 



Section Pharyngognathi. 



The Coral-fishes, Etc 485 



Sub-order ii. Lophobranchii. 



The Pipe-fishes, Etc 487 



Sub-order hi. Plectognathi. 



The Spine-clad Globe-fishes ... 488 

 Sub-order iv. Anacanlhini. 



The Common Cod, Etc. ... 490 



Sub-order v. Physostomi. ... 493 



Section A. Apodes. 



The Eel-tribe 493 



Section B. Nematognathi. 



The Cat-fishes 496 



Section C. Plectispondyli. 



The Common Carp, Etc. ... 497 



Section D. Haplopomi. 



The Common Pike, Etc. ... 501 



Section E. Scyphophori. 



The Gymnarchus, Etc. ... ... 53 



Section F. Isospondyli. 



The Salmon, Etc. 503 



Sub-order vi. ^Etheospondsli. 



The Bony Pikes, Etc ... 509 

 Sub-order vii. Protosp ndyli. 



The Bow-fin 510 



Sub-order viii. Chondrostei. 



The Sturgeons 510 



Order II. Crossopterygii. 



Fringe-finned Ganoids 512 



SUB-CLASS IV. ELASMOBRANCHII. 



Sharks and Rays ... 513 



Order Selachii. 



Sharks, Dog-fishes, Etc. ... 515 



Sub-order i. Asterospondyli. 



The Blue Shark, Etc 515 



Sub-order ii. Tectospond\ li. 



The Saw-fish ... .'.. ... 519 



