2424 Bulletin 4.7, United States National Museum. 



spines, in the branches of the upper lateral line running higher, and in 

 coloration. ( Ulva, the green sea lettuce.) 



Xiphidion vlvce, JORDAN & STABKS, Fishes of Puget Sound, 847, 1895, Waadda Island, 

 Neah Bay. (Type, No. 3132, L. S. Jr. Univ. Mus. Coll. E. C. Starks.) 



2780. XIPHISTES CHIRUS (Jordan & Gilbert). 



Head 7; depth 9. D. LXX; A. II, 50. Head short; nape not con- 

 stricted; mouth small; maxillary extending to middle of pupil; teeth 

 strong, the anterior canine-like, bluntish; about 4 canines in lower jaw, 5 

 or 6 in the upper, similar to the teeth behind them, but somewhat larger. 

 Abdominal lines meeting on the breast, but not connected with the lower 

 lateral line. Dorsal fin beginning close behind pectoral; nape midway 

 between middle of eye and front of dorsal ; anal beginning about a head's 

 length nearer snout than base of caudal ; pectoral iin comparatively large, 

 longer than the eye, its length about equal to distance between middle 

 and lower lateral lines. Color olive brown, yellowish below ; sides with 

 marblings of diiferent shades of brown, sometimes with short blackish 

 vertical bars ; some round black spots along the back and sides ; a black 

 spot behind opercles ; numerous black spots on sides of head, forming in 

 older individuals light and dark streaks, which radiate from eye across 

 cheek and opercles, the pale streaks forming reticulations; dorsal with 

 black spots and a series of bright reddish brown cross blotches ; pectorals 

 and caudal plain. Monterey to Alaska ; smaller than the other species, 

 and living in deeper water ; abundant about Cape Flattery. (Jordan & 

 Gilbert.) (jfi/p, hand.) 



Xiphister chirus, JORDAN & GILBERT, Proc. TJ. S. Nat. Mus. 1880, 135, Point of Los Pinos, 

 near Monterey, California (Coll. Jordan <fe Gilbert) ; JORDAN & GILBERT, Synopsis, 

 772, 1883; JORDAN & STARKS, Fishes of Puget Sound, 846, 1895. 



910. XIPHIDION, Girard. 



Xiphidion, GIRARD, Pac. K. R. Surv., x, Fishes, 119, 1858 (mucosum) ; not Xiphidium, Serv., 



a genus of Grasshoppers. 

 Xiphister, JORDAN, Proc. U. S. Nat. Mus. 1879, 241 (mucosum) ; substitute for Xiphidion, 



regarded as preoccupied by Xiphidium. 



Body elongate, eel-shaped, covered with small scales; lateral lines 

 several: 1 along the median line of the side, 1 above this, and 1 below 

 it; 1 on each side of the abdomen, the 2 meeting in front, and 1 from the 

 occiput toward the base of the dorsal fin. Each of these has on each side 

 series of short branches, placed at right angles to the main line, those on 

 opposite sides alternating. Each of these branches has about 2 open 

 mucous pores. Lower lateral line connected with the abdominal line. 

 Head short, bluntish, scaleless; mouth moderate, oblique; jaws with 

 rather strong teeth, the anterior canine-like; no teeth on vomer or pala- 

 tines. Branchiostegals 6 ; gill membranes separate, free from the isthmus. 

 A single long, low, uniform dorsal fin, consisting of spines only; anal fin 

 similar in form, with small spines, indistinct or obsolete; caudal short, 

 joined to dorsal and anal ; no ventral fins ; pectoral fins very small, shorter 



