FISHES OF HAWAIIAN ISLANDS. 
515 
Color in alcohol, dark olivaceous brown, lins dark gray-brown, each ray finely specked with oli- 
vaceous brown; left pectoral specked with dark brown, right pectoral dull creamy or brownish white, 
like the right side of body. 
Type, No. 50657, U. S. N. M., taken at llilo, the only example we have seen, 3 inches long. 
Engyprosopon hawaiiensis Jordan & Evermann, Bull. U. S. Fish Comm., XXII, 1902 (April 11, 1903), 207, Hilo. 
430. Engyprosopon arenicola Jordan & Evermann. Plate 62. 
Head 3.6 in length; depth 1.9; eye 4.3 in head; maxillary 3; D. 78; A. 57; P. i, 11; V. 5; scales 
14-36-17. 
Body elongate, very deep, rather ovoid, the greatest depth at tip of pectoral; head much deeper 
than long, the upper profile steep, strongly convex; shout obtuse; jaws very oblique, mandible 
slightly projecting; maxillary very oblique, reaching below anterior margin of eye; lips rather thin, 
fleshy, fringed along margins; teeth in jaws minute, sharp-pointed; eyes close together, lower anterior 
placed about first third of length of head; upper eye about one-third an eye diameter posterior; 
nostrils well separated, with raised fleshy rims forming a flap; interorbital space very narrow, concave; 
gill-opening rather small, restricted to side; gillrakers small, short, few; scales large, finely ctenoid; 
lateral line strongly arched for anterior fourth of its length, then straight to base of caudal; anterior 
dorsal rays free distallv for one-half their length, first ray 3 in head, forty -fifth 1.8, which is the 
highest region of the fin; anal similar to dorsal, but anterior rays not free for half their length; first 
ray 3.5, thirtieth 1.8; caudal elongate, median rays longest, equal to head; pectoral short, pointed, 1.5; 
ventrals rather large, the left with its base 5 in head, first ray 3.6, last 2.6, almost entirely in front of 
the right, which is much smaller; caudal peduncle broad, compressed, its depth 2.2 in head. 
Color in alcohol, very pale brown; side marked with many large incomplete rings of blackish or 
dusky, and with a number of dusky spots in between; fins whitish, the vertical or unpaired with large 
blackish spots on membranes between rays and similar small ones Scattered about, those of caudal 
forming about 4 cross-bands; several dusky spots at base of pectoral; right side whitish. 
We have seen but 2 examples, both taken at Hilo: Type, No. 50658, U. S. N. M., 2.5 inches long. 
Cotj'pe, No. 7471, L. S. Jr. Univ. Mus., 1.9 inches long. 
Engyprosopon arenicola Jordan & Evermann. Bull. IT. S. Fish Comm., XXII, 1902 (April 11, 1903), 207, Hilo. 
