105. CHIRIDiE HEXAGRAMMUS. 645 



plctus Grd. U. S. Par,. R. R. Surv. Fish. 43: Chirus pictns Giintlior, ii, OT: Chirus jnci us 

 Lockington, Proc. U. S. Nat. Mus. IbSO, 54: Chirus halim Cope, Proc. Amer. Phil. Soc. 

 1873.) 



hh. Cheeks wholly scaled ; scales all ctenoid. 



1001. II. dccagraBBimMS (Pallas) J. &. G. — Hock Trout; Borcgat ; Bodiiron. 



Males clear browiiisli-olive of varyiug shade, often tiuged with bluish 

 or coppery aud vaguely blotched; often with small blue spots; head 

 and anterior part of body with rather large sky-blue spots, each sur- 

 rounded by a rusty ring, these smaller and more numerous on the top 

 of the head; lips with bluish spots; upper fins brown, mottled; veu- 

 trals and anal dusky-bluish; pectorals dark, both rays aud membranes 

 crossed by sharply-defined whitish reticulations, so that the fius ai)i)ear 

 to he profusely spotted tcith ichifc. Females brownish, somewhat tiuged 

 with reddish, closely covered with round spots of a reddish-brown; these 

 spots usually quite small and uniform over the whole back and sides; 

 dorsal fin spotted on the scaly part, the fins otherwise plain reddish or 

 bluish, the ventrals usually dusky; pectorals light orange, ivitJiout marlc- 

 ings. Other females {'■hnaculoseriatus^^) have the ground color slaty- 

 blue, with rows of round orange spots considerably larger than usual, 

 and becoming vermiculations on the head; dorsal fin orange, clouded at 

 base with blue; soft dorsal edged with bluish; pectorals plain orange; 

 belly white. Body elevated at the shoulders, descending rather steeply 

 at the nape. Maxillary not reaching middle of eye; a very few teeth 

 on front of palatines; supraocular flap smaller than in other species, 

 shorter than pupil. Cheeks and opercles entirely scaled ; scales on the 

 body all strongly ctenoid. Uppermost lateral line forking on the nape, 

 the branches running to opposite the middle of the second dorsal; the 

 second lateral line to upper edge of tail; the third to middle of tail; 

 the fourth to a little beyond the middle of anal; the fifth to lower edge 

 of tail; the fourth beginning near the lower edge of the pectorals and 

 undulating opposite the ventrals, the lowermost on each side joining 

 just in front of the vent, and proceeding on the median line to the 

 middle of the breast. Dorsals high, scarcely connected; pectorals and 

 ventrals large; caudal slightly emarginate. Head 4i; depth 4. D. 

 XXI-24; A. I, 23; Lat. 1. 112. L. 18 inches. North Pacific; abundant 

 from Point Concepcion to Alaska. 



{Lahrax decafjrammus Pallas, M6m. Acad. Petersh. 1810, ii, 38G, 9, and iu Zoogr. 

 Rosso-Asiat. ill, 278: Chirus (Iccatjrammua G'dnthGr, i\, 92: Chirus ffuttatus Givard, Proc. 

 Acad. Nat. Sci. Phila. 1854, 132: Chiropsia yuttatus Grd. U. S. Pac. K. R. Surv. Fish. 



