2560 Bulletin ^7, United States National Museum. 



extending far lieyond eye, its length nearly equal to that of postorhital 

 part of head; teeth rather small, unequal; outer teeth of upper jaw and 

 some of the inner teeth of lower enlarged; first ray of first dorsal short, 

 about as long as snout; vent midway between tip of snout and last anal 

 ray; lateral line with about 20 large pores. Grayish brown, paler beloAv ; 

 cavity of mouth white. Coast of Norway; 1 specimen known from 

 Greenland. (Collett.) (Eu.) {sejytcntrionaUs, northern.) 



Motella septentrionalig, Collett, Ann. Mag. Nat. Hist. 1874, 15, 82, Lofoten, Norway. 

 Onos septentrionalig, Collett, Nor.ske Nord-Havs Exped., 139, 1880; Jordan, Cat. Fish. 

 N. A., 128, 1885. 



993. ENCHELYOPUS, IJloch & Schneider. 

 (FoUIi-BE.VRDEI) KOCKLINGS ) 



Enchelyopus, Bloch «fc Schneider, Syst. Ichth., 50, 1801 (drnbrius; the tir.st .species 

 mentioned and the one left a.s type after elimination of the genera, defined prior to 

 lihinonemus). 



Rhinonermis, Gill. Proc. Ac. Nat. Sci. Pbila. 1883, 241 {cimbrius). 



Barbels 4, 1 at each nostril, 1 at tip of snout, and 1 at the chin; head 

 high and compressed anteriorly; teeth in narrow bands, some of them 

 enlarged; otherwise essentially as in (iaifh'opsanis. North Atlantic. 

 (iT'^cAuGJjrds, re.sembling an eel; "facie angnillaris.") 



2936. EXCHELYOPUS CIMBRIUS (Linnajua). 



(FOUR-nEARDED EoCKLTNG.) 



Head 5i; depth 9. D. 4.5 to 50; A. 41 or 42; V. 5. Body slender, taper- 

 ing from the shoulders back ; caudal peduncle narrow, 4 in head ; snout 

 moderate, blunt, rounded, not depressed, a little shorter than the eye; 

 eye large, subcircular, 4 in head; interorbital space narrow, equal to ver- 

 tical diameter of eye, 6 in head; teeth villiform, those in the upper jaw 

 tmequal, small, with about 8 enlarged in front, those of the lower jaw 

 long and slender, of equal length, a few somewhat enlarged in front; 

 maxillary reaching beyond posterior border of eye, a barbel at each nos- 

 tril, 1 on tij) of snout and 1 on chin, stitch-like; lateral line with about 35 

 enlarged pores along its entire length ; first ( free) ray of dorsal nearly as long 

 ashead; ventral^ head; caudalacutc. Light olivaceous (salmon-red) ; first 

 dorsal ray and posterior end of dorsal and anal abruptly black, as is lower 

 half of caudal ; pectorals and ventrals pale ; sides of head somewhat silvery ; 

 cavity of month dark bluish. North Atlantic, on both coasts, south in 

 deep water to the Gulf Stream ; common in Massachusetts Bay ; our speci- 

 mens from Woods Hole; the young ("mackerel midges") silvery, unlike 

 the adult in appearance. (Eu.) (cimbrius, welsh.) 



Gadus cimbri'us, Linnaeus, Syst. Nat., Ed. 12, l, 440, 1766, Atlantic Ocean; Scania (Coll. Dr. 

 Strussenfelt). 



Motella caudacuta, Storer, Proc. Bost. Soc. Nat. Hi.st., iii, 1848, 5, Cape Cod, Province- 

 town, Mass. (Coll. Herman M. Smith); Storer, Amer. Ac. Sci., 411, 1867; Storer, 

 Hist. Fish. Mass., 183, 1867. 



lihinonemvs caudaeitta, Gill, Proc. Ac. Nat. Sci. Phila. 1863, 241: Goode & Bean, Amer. 

 Joiirn. Sci. and Arts 1877, 470 ; .Jordan, Cat. Fish. N. A , 128, 1885, 



Motella cimhria, Nilsson, Prod. Ich. Scand., 48, 1832 ; Bell, Can. Nat. and Geol., iv, 209, 1859. 



