268 REPORT OF NEW JERSEY STATE MUSEUM. 
Spinous dorsal low, its origin nearer that of rayed fin than tip 
of snout, and spines equal. Insertion of rayed dorsal falling 
nearly midway between tip of snout and base of last dorsal ray, 
and radi graduated from first branched one. Anal inserted 
more posterior or nearly midway between posterior margin of 
opercle and base of last anal ray. Caudal large, expanded, and 
its margin rounded. Pectoral large, inserted a little before origin 
of spinous dorsal, and reaching a little less than 24 of space to 
anal. Ventral inserted opposite origin of pectoral, long, and 
inner ray about 3% length of fin. Color nearly black. A white 
stripe about as wide as pupil from upper angle of gill-opening 
to caudal. Another narrower one begins at lower extremity of 
pectoral base, curves very slightly upward as it fades out near 
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IN 

Crab Eater. Rachycentron canadus (Linneus). 
tail. Upper caudal lobe with a narrow whitish margin along its 
upper surface, relieved by a trace of orange-red at its base. 
Lower caudal lobe with a narrow orange-red margin. Pectoral, 
ventral and caudal black. Back fades to a dark green. Belly 
grayish-white. Iris golden-bronze. From young examples reach- 
ing 4 inches. Somer’s Point. (From Bean. ) 
Known from our coast chiefly from Dr. Bean’s record. It is 
a large fish reaching a length of 5 feet and is common in tropical 
seas. 
Elacate canada Bean, Bull. U. S. F. Com., VII, 1887, p. 144, 
Ply otros, 1 3. 
Elacates niger Abbott, Geol. N. J., 1868, p. 814. 
