720 CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGY - IV. 



on each iiiterorbital ridge; interorbital space as wide as eye; sides 

 with three or four pale, well-defined, naked areas behind pectorals, the 

 two anterior much the largest; behind these a long naked strip along 

 tin- lateral line, colored like the rest of the body; first four spines of 

 dorsal elevated, to length of head; the fifth much shortened; mem- 

 brane deeply notched between the fifth spine and the sixth, which is 

 longer than the one before it; ventrals as long as eye; pectorals reach- 

 ing much beyond front of anal; first rays of soft dorsal short; the 

 others gradually lengthened to near the last, the highest higher than 

 the dorsal spines; caudal longer than head. Head 3^; depth 3f. D. 

 V, 111-23; A. 20; P. 12; Lat. 1. 50. L. 6 inches. North Pacific, south 

 to San Francisco. 



( Traclihuix rirrluimiH Pallas, Zoogr Ross.-Asiat. iii,237, 1811 : Bhpslas trilolms C. & V. 

 iv, 375, 182'J; Gunthcr, ii, 153; Steindacliner, Ichtli. Beitriige, v, 128, 1876.) 



. Spinous dorsal not cuuirginatc ; uo naked areas. 



11O6. B. bilobus Cuv. & Val. 



Olivaceous, paler below; dorsal region with 4-5 black bars, reaching 

 one-third the distance to the lateral line, and somewhat continued on 

 the fins; caudal with a black bar at base, otherwise plain; pectorals 

 and anal blotched with black. Body shorter and deeper than in B. 

 r//rAr>mv, with thicker caudal peduncle and heavier head, the bones 

 less firm; snout short, obtuse; interorbital space very wide, concave, 

 hall' wider than the small eye; short occipital ridges present, besides 

 several bluntish tubercles. Mouth broad, oblique, the maxillary reach- 

 ing pupil; teeth small, distant; barbels as in cirrhofsus. Head and 

 body covered with prickles, larger and blunter than in cirr/Hisus; no 

 naked patches on body; fins less developed than in cirrfiosii*; first 

 five or six spines of dorsal subequal, the last three abruptly shorter; 

 pectorals longer and much broader than in t- />/// o\/?*, reaching seventh 

 anal ra\ ; caudal short, much shorter than head. I>. 1X-21; A. 18; P. 

 1(1. ('oasis of Alaska and Kamtschatka; the specimen here described 

 from Kodiak. 



LV. A Val. iv, :;:;i, L829: /'T. ./*,/ lilobun Unim-it. B.Trli.y.s V..Y. /.,,",1. Fish. 59; 

 (Jiintlirr, ii, I.V.5. ) 



379. NAUTICIITIIYS Giranl. 

 (Givard, I'. S. I'M.-. K'. K'. Surv. Kisli. 1-.>', 71: type' Illi-jixinx > nJnfn^-'nih^ Girard.) 



I'.ody rather elongate, coni])rcsscd, but not elevated, the skin evenly 

 covered with short, close >rt, villiibrm prickles. Head short, strongly 



