452 BULLETIN 100, UNITED STATES NATIONAL MUSEUM. 
(maculatus, in reference to the large blackish spot which is located 
just above and behind the pectoral fin in the series of species led by 
C. maculatus.) 
25. COELORHYNCHUS VELIFER, new species. 
Ty pe-specimen.—Cat. No. 78216, U.S.N.M.; 251 mm. in total 
length (tail almost entire), 72 mm. to the anus. The type is an adult 
male, and was dredged at Albatross station 5294 (data below). 
List of stations. 
Depth | Bottom | Number 
parte TOSS Locality. in _| tempera-| of speci- 
SPablon: fathoms. | ture. men 
Pits 
Pies apee | Off southwestern Luzon, in the China Sea and adjacent waters. | 130) | Jee aoe 1 
5268 6 once lee eee (Go RRR ea ae ers et See Se Ses Re re ote 1 (US eee eye | 6 
Hy 1 eee ee eee GOs fads ssa woe ee eee oe ee a dees eee a tee seca eee eae 72 Vig EEN Oe 1 
5pgobewaea| ears GOs Side Fh see aaa a eee eee T72 Eee 52 
Vit) aoe ae ee Ons Soe cea sno ek oc Sees siamese scar sesc sae + Sachets te sae jose se 173 lee 13 
Gy) ) eee bn Oss et 2 ee ee tet Sea stew ts Ee ee tre ee 162 52.4 1 
PLR eee oon edocs Cp ae Se entries FRE te ea cubecann San S-oepek oopuos z 180 57.4 | 21 
D294 so. 2 Sa) eee (6 Ce ee Nee SR A eee = oe ae an ae oe Reem tM eS | 244 48.4 2 
Pee ew Raeee GOs Sete Neo eee ER CER Ee Ne ee ena en ae ear | 10) eee 2 
HDa7irss Lee Se ee GOs eae eee ch fea eS ee he Lee | 198 fe eae 3 
5523 Mindanao Sean: 3. so-cc Seon ce seas pein tia eee ae | cares ate ene 5 
Gna] De es SO = I I Ce i an eens te te aaa ee tee 107 
This species, so abundantly dredged off southwestern Luzon, was 
not collected so far south as were @. notatus and triocellatus, and 
but one or two of the specimens of maculatus were obtained within 
its known range. The species just named are obviously closely 
allied, and are mutually characterized by the presence and the form 
of the ventral fossa, a scaleless strip extending forward from the 
peritroct to between the ventrals. 
The evidence at hand points to the possible conclusion that the 
young of this species inhabit shallower water than the adults do, 
although their vertical ranges overlap; only the young were ob- 
tained at stations 5265 (1385 fathoms), 5268 (170 fathoms), and 
5292 (162 fathoms); both the young and adult specimens were 
dredged at stations 5289 (172 fathoms), 5291 (173) and 5293 (180) ; 
only adults were collected at the following stations: 5297 (198 
fathoms), 5296 (210), 5269 (220), and 5294 (244). 
This species, C. velifer, apparently attains a larger size than 
does C’. maculatus. 
Fin-rays—first dorsal, II, 9 (8 to 10); pectorals, 15 (15 to 17); 
ventrals, 7. 
The body is slender, but more robust than in @. maculatus, the 
greatest depth being contained 1.6 (1.6 to 1.7) times in the head in 
the adults (the young, as usual, are more slender) ; the width of the 
body across the pectoral bases is nearly equal to,the depth of the 
