226 REPORT OF NEW. JERSEY STATE MUSEUM. 
first anal ray 214; caudal 17¢; length of caudal peduncle 2; pec- 
toral 17%; ventral 2; snout 31% in head; eye 3; maxillary 3%; 
interorbital space 314. Body fusiform, well compressed. Caudal 
peduncle slender, covered with plates similar to those on body, 
and furnished with a well-developed keel laterally. Head rather 
long. Snout long, convex. Eye circular, anterior. Mouth 
oblique, and mandible well protruding. Maxillary extending 
barely beyond nostril, not to orbit. Bands of minute teeth in 
jaws. Interorbital space broadly convex. Opercle finely striate. 
Gill-rakers 3-++12, shorter than filaments and lanceolate.  Gill- 
membranes united to isthmus. Large rugose bony plates on each 
side of base of dorsal spines. Naked area in front of pectoral 
large. Pelvic bone lanceolate. Processes from shoulder-girdle 
- below covering most of breast and leaving a narrow naked area 
between. First two dorsal spines well separated, first longer, and 
inserted just before origin of pectoral. First interdorsal spinous 
region 74 of second. Origin of rayed dorsal nearer base of 
caudal than eye, and fin anteriorly elevated. Rayed anal begins 
about first third of base of rayed dorsal, or nearer base of caudal 
than origin of pectoral, and elevated anteriorly. Anal spine de- 
tached. Caudal lunate. Pectoral 35 of space to anal. Ventral 
inserted just before second dorsal spine. Spines all serrate, those 
of anal and soft dorsal small. First dorsal spines joined at base 
by hinge with basal bony plates, to which they are capable of 
being firmly set like spines of a cat fish. Color olivaceous, sides 
silvered or yellow. Length 2°/;, inches. Beesley’s Point. 
I have 2 examples collected many years ago at Beeseley’s 
Point by Samuel Ashmead. Dr. Abbott says it is common in 
Toms River and has been taken in the Delaware as far as Phila- 
delphia. 
Gasterosteus biaculeatus Abbott, Geol. N. J., 1868, p. 815. 
Gasterosteus noveboracensis Abbott, 1. ¢. 
