Vt i8S9."] PROCEEDINGS OF THE NATIONAL MUSEUM. 173 



siderably stouter than in L. profundorum. Mouth large; maxillary 

 reaching about half pupil's length beyond posterior border of eye, 2\ 

 iu head. Outer teeth slightly enlarged, a little movable, those of upper 

 jaw largest. Snout shorter than eye, 5 in head. Eye large, 4£ in head. 

 Interorbital space 1| in eye. Gill-rakers rather long and slender, one- 

 fourth length of eye; four developed. Tip of snout with a strong 

 spine directed forwards and slightly downwards. Opercle without 

 spine, ending in a flat projection covered by skin. Dorsal beginning 

 over middle of pectorals, longest ray 4 in head. Pectorals 2| in head. 

 Inner ventral filament shortest, the longer 2| iu head. 



Scales regularly imbricated but very small, about 225 in a longitudi- 

 nal series; scales on top of head extending forward to base of ethmoid 

 spine; sides of head covered with small scales. Lateral line not 

 reaching end of tail. 



Color, olivaceous, paler below ; scales rather profusely dotted with 

 black. A pale shade across opercles. Lower jaw, gular region, and 

 anterior branchiostegals dusted. Dorsal and anal margined with black, 

 the band on anal the broader ; pectorals pale. 



Air bladder oblong-lanceolate. 



Specimens of this species were obtained at Panama and at Station 

 2801, south of Panama. 



27. Bregmaceros bathymaster sp. nov. 



Diagnosis. — Closely allied to Bregmaceros macclellandi, but appar- 

 ently differing in the larger size of its scales and in the shorter ventrals. 



Type: No. 41,137, U. S. National Museum. 



Hab. — Pacific coast of South America, taken at Station 2804, 8° 1G' 

 30" N., 79o 37' 45" W. 



Description. — Head 5f; depth 6§. D. about I, 18, 22, the small rays 

 so broken that the count is uncertain. A. about 18, 22 + V. 4 or 5. 

 Scales about 50, the count very uncertain. Length 2 inches. 



Body moderately elongate, compressed, the form somewhat as in 

 Ophidion, the back not elevated. Head short and small, moderately 

 compressed; bones of head thin, without serrature or spine ; eye mod- 

 erate, 3 in head ; iuteroi bital space ridged, about as broad as eye ; 

 snout blunt, rather shorter than eye; mouth very oblique, the jaws 

 subequal; maxillary reaching to beyond middle of eye, 2| in head; 

 lower jaw flattish, curved upward; teeth in both jaws moderate, slen- 

 der, close set, recurved, apparently in a single series. Tongue conspic- 

 uous; no teeth evident on vomer or palatines; branchiostegals 7 or 8; 

 gill membranes separate, free from the isthmus; no evident pseudo- 

 branchiae; gill- rakers obsolete ; no barbels about jaws. 



Body with rather large, thin, caducous, scales (nearly all of them 

 fallen in the typical specimens so that they can not be counted). 



Dorsal fin beginning with a single long and very slender spine on oc- 

 ciput, this nearly one-third longer than head. Behind this, for a dig- 



