226 REPORT OF NEW JERSEY STATE MUSEUAl. 



first anal ray 2}4 ; caudal i J^ ; length of caudal peduncle 2 ; pec- 

 toral 1%; ventral 2; snout 3,^ in hea.d; eye 3; maxillary 3^ ; 

 interorbital space 3^4- 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 Yz 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 ^ 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 hiaculeatiis Abbott, Geol. N. J., 1868, p. 815. 



Gasterosteus novchoracensis Abbott, 1. c. 



