150 ACANTHOPTERYGII. — TEUTHIDID^. 
Cuv.) ; which we here figure and describe from 
our own observations on specimens newly caught. 
It attains a total length of about six inches : the 
body is of a purple hue more or less brilliant ; 
the dorsal, anal, and ventrals are of a rich azure I 
DOCTOR-FISH. 
blue, the two former marked with longitudinal 
lines of dark brown. The caudal lancets are 
short, hard, and glassy ; and are enclosed in a 
yellow membranous sheath. This species is com- 
mon on the coasts of Jamaica and the other 
Antilles, where it is eaten, but is not much es- 
teemed. 
