Jordan and Evennann. — Fishes of North America, 2075 



ii dark blotcli ou the side opposite middle of first dorsal ; a faint dark 

 bar under the anterior and a similar one under posterior part of second 

 dorsal; both dorsals with indefinite oblique dark bands; pectorals dark 

 except the lower proximal part, with narrow bars of black ; ventrals light 

 in female, dark in male; anal dark posteriorly; caudal dark, faintly 

 barred. Coast of Alaska ; known from Albatross Stations 3219, 3225, 3226, 

 3255, 3256, 3257, 3258, 3263, 3269, 3279, 3282, 3309, and 3330, located on both 

 sides of the Peninsula of Alaska and both north and south of the Aleutian 

 chain ; depth 16 to 350 fathoms. (Gilbert) ; also obtained at Provostniaya, 

 Kamchatka, {frenatiis, bridled.) 



Odontopijxisfrenatua, Gilbert, Kept. U. S. Fish Coinm. 1893 (189fi), 435, pi. 30, fig. 3. Alaska 

 and Aleutian Islands, at Albatross Stations 3215, 3219, and others, in 16 to 351 

 fathoms. 



2420. SARRITOK LEPTORHYXCHUS (Gilbert). 



Head 4 in length; snout 2f in head in specimen 100 mm. long. Eye 

 3i, equaling length of maxillary ; iuterorbital with | eye. Branchiostegal 

 membranes broadly united, extensively free laterally, joined to isthmus 

 mesially to extreme posterior margin, or leaving a very narrow margin 

 free. Teeth present on jaws and on vomer, none on palatines. Dorsal 

 VI to A^III, 6 or 7; anal 6 or 7; pectoral 14; ventral I, 2; pectorals long, 

 reaching to or beyond middle of spinous dorsal, as long as snout and eye; 

 ventrals equaling length of snout. Very close to S. frenatus, with which 

 it agrees in arrangement of plates, spines ou head, and barbels; distin- 

 guishable at once by the elongate slender snout and differing in fhe 

 following numerous details: The body is somewhat broader and more 

 depressed, its greatest depth a little less than j its greatest width, which 

 occurs across preopercular spiues. The body narrows rapidly backward 

 to below spinous dorsal, as in young *S'. fnnatns of the same size. Com- 

 pared with S. frenatus of the same size, the plates on body are much less 

 spinous, the superior and inferior lateral and the ventral series in some 

 specimens bearing spines on a few of the anterior plates only, and the 

 spines of dorsal series are lower. Five plates before dorsal, 10 under 

 spinous dorsal, 2 between dorsals, 7 under second dorsal, and 16 on caudal 

 peduncle. The inferior lateral ridges rise anteriorly, greatly constricting 

 the lateral face under anterior part of spinous dorsal. It then descends 

 slightly and becomes almost or quite obsolete, the series of plates ending 

 behind the upper pectoral rays. In S. frenatus, the constriction of the 

 lateral face does not occur, the ridge is strongly marked anteriorly, and 

 ends below middle of jjcctoral base. In S. leptorliynchus we have, there- 

 fore, a much narrower interval between the anterior ends of the upper 

 and the lower lateral series. This interval is occupied by but 3 plates, 

 arranged in a series, decreasing in size backward. The upper preoper- 

 cular and the humeral si>ines are much larger than in S. frenatus, the 

 former greatly overpassing the second spine. The rostral spines are simi- 

 lar, but the terminal plat(^ roughened but not serrate, the posterior spine 

 not detached. Snout greatly produced into a narrow triangular piece 

 which overpasses the moutfi, for a distance equaling | diameter of orbit in 

 a siiecimen 100 mm. long. In specimens of 5. frenatus of this length the 



