692 CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGY — IV. 



1050. I. luegacephalMS (Lock.) J. & G. 



Color pale olivaceous with darker cross-bars; fins in the male, black- 

 ish; ventrals and anal whitish, unmarked; eye dusky above. Body 

 fusiform; head long; eyes large, separated by a very narrow, slightly 

 concave interorbital space; mouth large, the maxillary extending to 

 posterior border of eye; i^reopercle with a strong process armed 

 with 3 or 4 upward-directed and 1 horizontal point; belo\!r this 3 other 

 spines; two or three spines close behind eye on each side; two occipital 

 ridges, endiug in spines, the space between tliem concave; top of head, 

 interocular space, snout, upper part of opercle, and a narrow belt close 

 under the eye covered with rough scales; lateral line with a series of 

 quadrate plates, their upper and posterior edges strongly serrate, the 

 lower and anterior edges imbedded; above these the back is evenly cov- 

 ered with smaller scales, the lower and anterior part of each scale im- 

 bedded, and the upper edge strongly toothed; 5 to 8 rows of these 

 scales; a narrow naked area at base of dorsal. Dorsal spines slender, 

 the first usually longer than head, reaching past front of soft dorsal 

 when depressed; the second and third spines progressively shortened; 

 the 4th higher than third, the membrane between third and fourth deeply 

 emarginate; second dorsal high; i)ectorals reaching past front of anal; 

 ventrals to vent; anal papilla very large; no conspicuous cirri. Head 

 2a ; depth 5^-. D. III,VII-15; A. 15; V. I, 3; Lat. 1. 38. L. 6 inches. 

 Off San Francisco, in deep water, locally abundant; possibly a variety 

 of the next. 



{Chitonotus mefiacepliahis Lockington, Proc. U. S. Nat. Mus. 1881, 141.) 



1051. I. pBigetlensis (Steind.) J. & G. 



Coloration of the preceding. Body slender, stouter than in I. mepa- 

 cephalus; head shorter and broader; the mouth also shorter, the maxil- 

 lary not reaching posterior margin of eye; interorbital space extremely 

 narrow, narrower than in I. megaceplialus ; squamation and armature of 

 head and body precisely as in I. megacephalus. Dorsal lower than in I. 

 tnegacephalus, the first dorsal less deeply notched; the first spine little 

 higher than the second, its tip not reaching to the end of the fin, its total 

 length less than half that of the head ; soft dorsal high, higher than first 

 dorsal spine. Head 3; depth 4f. D. Ill, VII-15; A. 15; V. I, 3; Lat 1. 

 37. L. 6 inches. Puget Sound. 



{Artedius pugettensis Steindachnev, Ichth. Beitriige, v, 133.) 



