Chromides and Pharyngognathi 605 
are but few scales on the head. These, as well as the scales 
of the body, are always large. The most highly specialized 
Fic. 500.—Scarus emblematicus Jordan & Rutter. Jamaica. 
of its species have the teeth deep blue in color, a character 
which marks the genus or subgenus Pseudoscarus. Of the species 
of this type, the loro, Pseudoscarus ce@lestinus, and the more 
abundant guacamaia, Pseudoscarus guacamaia (Fig. 100) of 
the West Indies, are characteristic forms. The perrico, Pseudo- 
Fic. 501.—Scarus ceruleus (Bloch). Blue Parrot-fish. Loro, Azul. 
Family Scaride. 
scarus perrico of the west coast of Mexico, and the great blue 
parrot-fish, or galo, of Hawaii and Samoa, Pseudoscarus jordant, 
belong to this type. Pseudoscarus jordani was formerly tabu 
to the king in Hawaii, and its brilliant colors and toothsome 
