120 PROCEEDINGS : BOSTON SOCIETY NATURAL HISTORY. 
last third in space between hind eye edge and caudal base, front 
branched rays highest. Anal inserted little behind dorsal origin, 
fin similar. Caudal with lower lobe much longer, also longer than 
head. Pectoral not quite reaching caudal base, first and second rays 
simple, third divided. Ventral inserted about midway between hind 
pupil edge and caudal base, extends back f space to latter. 
Color in alcohol dull brownish, much paler on lower or under sur- 
face. Iris brassy. Rows of scales on back each with narrow median 
lengthwise streak. Fins brownish. Pectoral dusky medially, edges 
^^ 
Fig. 3.- — Cypselurus gibbifrons (Valenciennes). 
pale, and outer surface largely silvered. Ventral dusky, becoming 
blackish medially and darker behind. 
Length 8 inches (tip of lower caudal lobe slightly damaged). 
Newport (Powell). From the mouth of this example I extracted 
a large isopod crustacean. 
Hemirhamphidae. 
Hyporhamphus unifasciatus (Ranzani).— At present four ex- 
amples from Newport, received from Pov/ell, are in the collection. 
Head 2% to 3; depth 8 to 12; D. ii, 12 to ii, 14; A. ii, 14 or ii, 15; 
scales about 53 in lateral line to caudal base; 7 scales above lateral 
line to dorsal fin, 2 below to anal fin; 46 predorsal scales; snout 2f 
to 4 in head measured from snout tip to hind opercle edge; eye 3f 
to 5; maxillary 3? to 3|; interorbital 3f to 3f. Length of mandible 
from upper jaw tip slightly less than rest of head length, an eye- 
