Fishes . FiG. 497 —Jaws of BlueParrot-fish, Scarus cwru-leus (Bloeh).. Fui 498 liii. 499. Fig. 498.—ITpper pharyngeals of an Indian Parrot-fish, Scarus 499—Lower pharyngeals of a ParroUhsh, Scarus slrongylocephal us (Bleeker). branes are. scarcely united to the narrow isthmus, the lateralline is interrupted, the dorsal spines are flexible, and there Chromides and Pharyngognathi 605 are but few scales on the head. These, as well as the scalesof the body, are always large. The most highly specialized

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