A Guide to the Study of Fishes, Volume 2 (of 2)
CHAPTER XXIV.
SERIES PLECTOGNATHI.
The Plectognaths.—The Scleroderms.—The Trigger-fishes: Balistidæ.— 411 The File-fishes: Monacanthidæ.—The Spinacanthidæ.—The Trunkfishes: Ostraciidæ.—The Gymnodontes.—The Triodontidæ.—The Globefishes: Tetraodontidæ.—The Porcupine-fishes: Diodontidæ.— The Head-fishes: Molidæ.