58 BULLETIN 100, UNITED STATES NATIONAL MUSEUM 
PARABELONICHTHYS KELLERSI, new species 
FIGURE 7 
Depth 15%, 714 to vent; head 334, 714 to caudal base, width 
314 in head length. Snout 214 in head from snout tip; eye 634, 2% 
in snout, subequal with interorbital; maxillary 4% of eye; interorbital 
724 in head from snout tip, low, depressed. Opercle with feeble, fine, 
longitudinal striae. 
Rings 19+ 26, trunk 13% in tail or caudal section of body. Upper 
trunk keel not continuous with upper caudal keel, median lateral 
trunk keel continuous with lower caudal keel; median ventral trunk 
keel feeble, though distinct to vent. Trunk with auxiliary keel in each 
3 intervals on side between fundamental keels. 
Ficure 7.—Parabelonichthys kellersi, new species: Type (U.S.N.M. No. 108466). 
D. 57, on 10 trunk and 5 caudal rings; A. small, about long as eye; 
caudal 15% in total head length ; pectoral 334, rays 15. 
Color in alcohol brownish, little contrasted. Dark brown longi- 
tudinal band, narrow, along side of snout, through eye and over post- 
ocular to gill opening. Fins largely uniform brownish. Caudal with 
two dark longitudinal bands, little divergent backward, and three 
dark spots marginally on fin above and below. 
Distinctive characters largely included in the generic account above. 
Type.—U.S.N.M. No. 108466. Jaro River, Panay Island. April 
3-21,1929. Lt. H.C. Kellers. Length 118 mm. 
Paratypes.—U.S.N.M. No. 119448. Iloilo, Panay Island. April 17, 
1929. Lt. H. C. Kellers. Length 92 mm. to end of broken tail. 
U.S.N.M. No. 108468. ITloflo, Panay Island. April 19, 1929. Lt. 
H. C. Kellers. Length 110 to 118 mm., two examples. 
(Named for Lt. Henry Clay Kellers.) 
