358 
BULLETIN OF THE UNITED STATES FISH COMMISSION. 
Color, violet-olive, vertical fins darker. 
Laysan Island. Known from the Hawaiian Islands only from Steindacliner’s record. Common 
in Samoa. 
Scarus erythrodon Cuvier & Valenciennes, Hist. Nat. Poiss., XIV, 255, 1839. lie de France. 
Scams sumbatveiisis Bleeker, Contrib. Ichth. Fauna Sumbnwa, in Journ. Ind. Archipel., II, 1848, 638, Sumbawa; Bleeker. 
Nat. Tijd. Neder. Ind., XI, 1856, 104 (Banda). 
Pseudoscar us sumbawensis, Bleeker, Atlas Ichth., I, 47, taf. 15, tig. J, 1862; Gunther, Cat., IV, 232, 1862 (East Indies;; Stein- 
dachner, Denks. Ak. Wiss. Wien, LXX, 1900, 509 (Laysan Island). 
Genus 171. PSEUDOSCARUS Bleeker. 
This genus differs from Scams, as here understood, chiefly in the deep.green or blue color of its 
highly modified jaws and teeth. The species are mostly of large size and robust form. This genus is 
scarcely distinct from Callyodon. 
Pseudoscarus Bleeker, Versl. Akad. Wet. Amsterdam, Scaroiden, XII, 1861, 230 {jiiicrorrhinos)) (teeth bine; posterior 
canines present). 
Loro Jordan & Evermann, Check-List, 418, 1896 (guacamaia). 
a. Cheek with 2 rows of scales. Color green.. troschelii, p. 358 
aa. Cheek with 3 rows of scales. Color blue, the side of body and head with pink or rosy. Jordani, p. 359 
288. Pseudoscarus troschelii Bleeker. Fig. 157. 
Two series of scales on the cheek, the lower preopercular limb being naked; lips very narrow, 
covering only the base of the jaws; jaws green, the upper with pointed teeth at ttie angle; caudal 
slightly emarginate; 15 pectoral rays. 
Fig. 157.— Pseudoscarus troschelii Bleeker: after Bleeker. 
Body green, each scale with reddish margin; lips red; a short red band through the eye, and 
another from angle of mouth below eye toward the opercle; chin with red transverse and longitu¬ 
dinal streaks; dorsal red, edged with blue, and with a green band along the middle; anal yellowish, 
with a similar red band; caudal greenish. 
Scarus troschelii Bleeker, Nat. Tijd. Neder. Ind., IV. 1853, 498, Java. 
Pseudoscarus trochelii , Bleeker, Atlas Ichth., 1, 25, taf. 7, fig. 2, 1862; Cunther, Cat., IV, 237, 1862 (from Bleeker); Stein- 
dachner, Denks. Ak. Wiss. Wien, LXX, 1900, 508 (Laysan Island). 
289. Pseudoscarus jordani Jenkins. Plate XLIV and Fig. 158. 
Head in length to base of caudal 2.7, in total length to middle margin of caudal 3.37; depth in 
length to base of caudal 2.64, in total length to middle margin of the caudal 3.3; dorsal ix, 10; anal 
hi, 9; pectoral 14; scales 24; lateral line interrupted. In this specimen 2 scales at the inter- 
