114. BLENNIID^E XIPHISTER. 771 



1 1 76. A. atropiirpureus (Kittlitz) Gill. 



Color grayish olive, varying to brown, everywhere above finely 

 marked with blackish reticulations; along each side of back a series of 

 small, irregular, sharply-defined grayish spots; a series of small pale 

 spots along lateral line; belly pale; crest- and middle line of back 

 rather pale; under parts of head yellowish; an oblique, wedge-shaped, 

 pale streak extending downward and backward from the eye, bounded 

 on each side by a sharp light-red line, and then by a dusky area; lower 

 jaw mottled; dorsals olivaceous, speckled, a blackish spot on front; 

 anal olive, tinged with red; pectorals dull orange, barred at base; cau- 

 dal reddish, with narrow pale streaks, and a light bar at base; color 

 sometimes nearly plain purplish, but more often grayish and mottled. 

 Head with a fleshy crest, which rests oil a ridge of bone; its height in 

 older specimens about equal to eye; mouth rather large, the maxillary 

 reaching beyond the orbit. Pectorals about half the length of head; 

 dorsal and anal comparatively high, barely connected with the base of 

 caudal; nape midway between origin of dorsal and pupil. Head CJ; 

 depth 6f. D. LYII; A. 41. Alaska to San Francisco; abundant 

 northward. 



(Opltidium atropurpureiim Kittlitz, Denkwiircl. einer Reise, Russ.-Amer. i, 225, 1858: 

 Centra not us cristagalli Giiuther, iii, 289: Anoplarclim purpurescens Gill, Proc. Acad. Nat. 

 Soi. Phila. 1861, 261: Anoplarchns cristagalli Giiutlier, iii, 564.) 



117 7. A. alectrolopltus (Pallas) J. & G. 



Brownish-olive, darker above; a series of green blotches along the 

 dorsal; dorsal brownish-olive, with indistinct oblique bars; anal and 

 caudal with wavy lines; head with a longitudinal fleshy crest, extend- 

 ing from above eyes to nape. Anal fin beginning at anterior third of 

 body; dorsal and anal uniting with the caudal; pectorals very small; 

 no veutrals. Lateral line obsolete. D. LXIII; A. 44; C. 13. Island 

 of Talek, Gulf of Penshin. (Guv. & Vol.) Perhaps identical with the 

 preceding. 



(Blennius alectrolophus Pallas, Zoogr. Ross.-Asiat. iii, 174: Gunnellus alectrolophus 

 C. & V. xi, 447: Centronotus alectrolophus Giinther, iii, 289.) 



414. XIPHISTER Jordan. 

 (Xiphidion Girard; preoccupied in Orthoptera.) 







(Jordan, Proc. U. S. Nat. Mns. 1879, 241: type Xiphidion mucosum Girard.) 



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

 several, viz : one along the median line of the side, one above this, and 

 one below it; one on each side of the abdomen, the two meeting in 



