CONTENTS. XV 



PAGE 



XVIII. A. tceniiformes . . . , . , .520 



Family : Tracliypteridse (Ribbon-fishes), 520. 



XIX. A. nofacanthiformes . . . . . .523 



Family : Notacanthidae, 523. 



Second Order — Acanthopterygii Pharyngognathi . 523 



Families : Pomacentridse (Coral-fishes), 524 — Labridse 

 (Wrasses, Parrot-wrasses), 525 — Embiotocidse, 533 

 — Chromides, 534. 



Third Order — Anacanthini 537 



I. A. gadoidei ..... . . 537 



Families : Lycodidse, 537 — Gadidse (Cod-fishes, Hake, 

 Burbot, Ling, Rockling, Torsk), 539 — Ophidiidse 

 (Brotula, Fierasfer, Sand-eel, Cougrogadus), 546 — 

 Macruridse, 551. 



II. A. pleuronedoidei . . . . . .553 



Family : Pleuronectidse (Flat-fishes), 553. 



Fourth Order — Physostomi 559 



Families : Siluridce ; their skeleton, 559 — divided into eight sub- 

 divisions and sixteen groups ; Clariina, 563 — Plotosina, 563 — 

 Silurina, 565 — Hypophthalmina, 566^Bagrina, 567 — Amiur- 

 ina, 567 — Pimelodina, 568 — Ariina, 569 — Doradina, 572 — 

 Rhinoglanina, 573 — Malapterurina (Electric Catfish), 574 — 

 Hypostomatina (Prenadillas, Loricaria, etc.), 575 — Aspredin- 

 ina, 580 — Nematogenyina and Trichomycterina, 581 — Stego- 

 pholina, 581. 



Families of Physostomi continued : Scopelidse, 582 — Cyprinidm 

 (Carps), 587 — divided into fourteen groups, viz. Catostoraina 

 (Suckers), 588 — Cyprinina (Carp, Crucian Carp, Goldfish, 

 Barbels, Gudgeons), 589 — Rohteichthyina, 596 — Leptobar- 

 bina, 597 — Rasborina, 597 — Semiplotina, 598 — Xenocypri- 

 dina, 598 — Leuciscina (White fish. Tench, Dace, etc.), 598 — 

 Rhodeina, 601 — Danionina, 601 — Hypophthalmichthyina, 

 602 — Abramidina (Bream, Bleak), 602 — Homalopterina, 604 

 — Cobitidina (Loaches), 604. 



Families of Physostomi continued : Kneriidie, 606 — Characinidse, 

 606— Cyprinodontidse, 613 — Heteropygii (Blind Fish of the 

 Mammoth Cave), 618 — Umbridse, 619 — Scombresocidse (Gar- 



