806 CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGY - IV. 



than broad, with supraoccipital crest continued forwards on the bone, 

 and near the front expanded upwards, and with the expanded portion 

 behind dividing into narrow lateral icings; the lateral testiforin ridges 

 of the frontal are continued forwards and curved outwards towards the 

 antero-lateral angles; the anterior frontals are mostly covered in front 

 by the great frontal, and are nmch developed in the direction of the 

 antero-lateral angles, the inferior expanded axillary portion being very 

 narrow; the nasal has a rounded ridge in front, continued well below, 

 and its posterior crest is laminar and trenchant." 



(Gadii* proximus Grd. Proc. Acad. Nat. Sci. Phila. 1854, 141, and in U. S. Pac. R. R. 

 Surv. 142: Morrhua californica Ayres, Proc. Cal. Acad. Nat. Sci. 1854, 9: Gadus califor- 

 nicm Giinther, iv, 332: Mlcrogadiis proximus Gill.) 



1242. G. tomcod \Valb. Tom-cod; Frost-fish. 



Olive brown, distinctly blotched and spotted with darker, lighter on 

 the belly; more opaque than in G. proximus; back and sides profusely 

 punctulate; dorsals and .caudal blotched with darker; auals coarsely 

 punctulate anteriorly, colorless posteriorly; ventrals and pectorals 

 dusky. Snout rounded, less produced than in G. proximus; mouth 

 short; maxillary 2 in head, reaching pupil; eye large, of in head; 

 barbel small; pectorals reaching vent; veutrals filamentous, not reach- 

 ing vent. Vent under interval between first and second dorsals. 

 Head 3 ; depth 5. D. 13-17-18 ; A. 20-17. L. 11 feet. Virginia to 

 Labrador; common northward. 



(Gadit* torn-cod \Valliauin, Artedi, Pise. 1792, 133: Jforrlnta pntinoxa Storer, Fish. 

 Mass. 357: Gadus lomcodus Giiuther, iv, 331: Microyadus tomcodus Gill.) 



aa. Lower jaw projecting; barbel small, sometimes obsolete. 

 e. Upper jaw with its teetb subequal. (PoUuchiiw Nilss.*) 



. ft. virens L. Pollack; Coal-fidi : Green Cod. 

 Greenish brown above; sides and below somewhat silvery; lateral 

 line pale; fins mostly pale; sometimes a black spot in the axil. Body 

 nither elongate, compressed; snout sharp and conic; mouth rather 

 small. oblique; maxillary reaching beyond front of orbit ; lower jaw 

 slightly the longer; teeth in the upper jaw nearly equal, the outer 

 -eiies not being espeeially enlarged; barbel rudimentary or obsolete. 

 (Jill-membranes considerably united, free from isthmus. Vent under 

 first dorsal. Caudal tin lunate. Pectorals short, scarcely reaching 



'Nilsson; JJonapartr, Can. !<>;;., Mrtmliro, 1--4C, 45: type Gadus pollachius L. 

 (jtoA.A.2?/^, many-fashioned; an old name, \vith 110 obvious application; perhaps 

 merely a latini/.t-d Ibrni of tin- common name.) 



