REVIEW OF THE PARROTFISHES 



19 



KEY TO THE SPECIES OF THE GENUS SCAROPS 



la. Three rows of scales on the cheek, the third, or ventral, row with 1 or 2 



scales, Scarops, new subgenus. 



2a. Background color brownish or reddish when alive, nearly each scale 



dorsolaterally has one or more short blackish or brownish lengthwise 



streaks; teeth white (pink when alive); lips separated by an angle 



of 50 to 80 degrees; pectoral rays usually ii,13; plate 6, a. (Hawaiian 



Islands, central West Pacific, Indian Ocean.) rubroviolaceus Bleeker 



26. General color blue or green, sides pink or light orange, except greenish 



below dorsal base and caudal peduncle green; margin of upper lip 



pale or orange, that of lower lip green; snout and most of head green 



except under side orange, with green crossbands on chin; teeth 



green, figure 2 and plate 6,b. (Hawaiian Islands and East Pacific.) 



jordani (Jenkins) 



16. Two rows of scales on the cheek, the second row with 4 to 6 scales; color 

 dark olive green; fins dusky, teeth green in adult; figure 3. Xenoscarops, 

 new subgenus. (East Pacific.) .... perrico (Jordan and Gilbert) 



Figure 2. — Scarops jordani: a, 275-nim.-Iong specimen (probably a female) from Cocos 

 Island, eastern Pacific collected by Halstead and Bunker; b, 46S-mm.-long adult male, 

 collected at Socorro Island, Revillagigedo Islands, Mexico, by Richard Rosenblatt. 

 (Sketches by author.) 



