2528 Bulletin ^7, United States National Museum. 



lary teeth biserial, the inner teeth enlarged. Cephalic appendage reaching 

 nearly to base of first dorsal, its length 4 in total. Distance of dorsal 

 from snout 2 in total, that of the anal the same; the dorsal and anal 

 fins received in a groove formed by the scales along their bases; ante- 

 rior portion of second dorsal and second anal less elevated than in B. 

 macclellandii. The differentiations between the developed and undevel- 

 oped rays of the anal are so slight that the limits of the so-called anterior 

 and posterior sections of the fin can not be determined. Length of the 

 longest anal ray about 2 in body length. Specimens were obtained by the 

 Blake at the following stations: XCIX, off Granada, 90 fathoms; CXIII, 

 off Neris, 305 fathoms; CLXXXV, Lat. 25 33' N., Long. 84 21' W., 101 

 fathoms. (Goode & Bean.) This species seems doubtfully distinct from 

 B. macclellandii. (atlanticus, of the Atlantic.) 



Bregmaceros atlanticus, GOODE & BEAN, Bull. Mus. Comp. Zool., xn, No. 5, 165, 1886, West 

 Indies, off Granada and Neris (Coll. Blake); GOODE & BEAN, Oceanic Ichthyology, 

 388, fig. 331, 1896. 



Suborder ANACANTHDtt. 

 {THE JUGULAR FISHES.) 



Vertical fins very long, destitute of true spines ; tail isocercal, the pos- 

 terior vertebrae progressively smaller; ventrals jugular, without spines; 

 hypercoracoid without perforation or foramen; no pseudobranchiae. The 

 osteological characters of this group, called by him Gadoidea, are thus 

 given by Dr. Gill : 



" Jugulares with the orbito-rostral portion of the cranium longer than 

 the posterior portion, the cranial cavity widely open in front ; the supra- 

 occipital well developed, 'horizontal and cariniform behind, with the 

 exoccipitals contracted forward and overhung by the supraoccipital, 

 the exoccipital condyles distant and feebly developed, with the hyper- 

 coracoid entire, the hypocoracoid with its inferior process convergent 

 toward the proscapula, and the fenestra between the hypercoracoid and 

 hypocoracoid." (Gill, Proc. Ac. Nat. Sci. Phila. 1884, 170.) 



A large and important group, chiefly confined to the cold depths of the 

 ocean and the northern seas. From all other typical fishes they are sep- 

 arated by the entire hypercoracoid. (av- privative, without; anavQa, 

 spine. ) 



a. Caudal fin present; tail not greatly elongate; body tapering or coniform behind, 



with many procurrent caudal rays above and below; suborbitals moderate. 

 b. Frontal bones paired, with a triangular excavated area above, the divergent 

 frontal crests continuous from the forked occipital crest ; ribs wide, approxi- 

 mated, channeled below or with inflected sides ; no barbels. 



MERLUCCIIDJE, ccxin. 



bb. Frontal bones normal, not forming a triangular excavated area above; ribs 

 normal ; chin with a barbel (rarely obsolete). GADID-, ccxiv. 



aa. Caudal fin wanting; tail very long, tapering behind; suborbitals very broad. 



MACROUEID^:, ccxv. 



