500 
BULLETIN OF THE UNITED STATES FISH COMMISSION. 
blackish brown spots, and the middle with a median series of large spots of same color; caudal with 
dark brown spots arranged in about 5 cross-series; pectoral with many small dusky brown spots on 
basal portion; ventral pale. 
Described from an example (No. 954) taken at Hilo. 
We have 3 other specimens from Hilo, 2 from Waikiki, 4 from Kailua, and 8 from Honolulu, 
including the types of S. saltans and S. rutilus. Length 1 to 3 inches. 
Fig. 221a . — Alticus gibbifrons (Quoy & Guimard). Type of Salarias saltans Jenkins. 
Salarias gibbifrons Quoy & Gaimard, Voy. de l’Uranie, Zool., 253, 1824, Sandwich Islands; Gunther, Fische der Siidsee, 
VI, 205, taf. Cxiv, fig. C, 1877 (Raratonga; Sandwich Islands); Fowler, Proc. Ac. Nat. Sci. Phila. 1900, 517 (Sand- 
wich Islands); Snyder, Bull. U. S. Fish Comm., XXII, 1902 (Jan. 19, 1904), 536 (Hilo; Honolulu). 
Salarias saltans Jenkins, op. cit. (Sept. 23, 1903), 508, fig. 48, Honolulu (type, No. 50696, U. S. Nat. Mus.; coll. O. P. Jenkins). 
Salarias rutilus Jenkins, op. cit., 509, fig. 49, Honolulu (type, No. 50695, U. S. Nat. Mus.; coll. O. P. Jenkins). 
Genus 248. ENCHELYURUS Peters. 
This genus is closely allied to Petroscirtes, differing chiefly in having the vertical fins united, the 
body shorter, and the gill- openings larger. Only one Hawaiian species. 
Enchelyurus Peters, Berl. Monatsb. 1868, 268 (flavipes). 
418. Enchelyurus ater (Gunther). Fig. 222. 
Head 3.75; depth 5.25; eye 3.5; snout 4; width of mouth 3; interorbital 1.65 in eye; D. 31; A. 19. 
Body elongate, compressed, greatest depth about root of ventral; depth of head 1.25 in its length; 
Fig. 222 . — Enchelyurus ater (Gunther). Type of Aspidontus brunneolus Jenkins. 
width 1.75; head rather elongate, compressed, swollen a little behind, anterior profile very steep; 
profile of head above eye rounded, top nearly straight; eye small, high, in anterior part of head; 
mouth low r , inferior, broad; teeth small, fine, in a single series in jaws; lips thin, rather broad; 
