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FIELD COLUMBIAN MUSEUM ZOOLOGY, VOL. i. 



Pristopoma punctulatum Ruppel. 



Two specimens. 



Pectoral fin slender, its tip reaching anal fin. The deepest 

 portion of the body is at the origin of the first three dorsal spines. 

 Profile from the first dorsal spine to the tip of the snout nearly 

 straight. 



Longitudinal narrow stripes on the sides of the body. 



Pristopoma argenteum (Forskal). 

 One specimen. 



Pristopoma maculatum (Bloch). 

 Six specimens. 



Sides of the body with four black blotches. The first one 

 between the nape and the dorsal fin. 



Lower half of the body silvery. Middle of each scale with a 

 brownish spot forming faint longitudinal lines on the sides. 



Diagramma griseum (Cuv. & Val.). 

 Five specimens. 



' Color uniform black. Small oblique lines on the sides. 

 Branchiostegal membrane dark. 



The scales are smaller in the specimens before me than the 

 number given by Dr. Day. They, however, extend on the 

 caudal fin and are difficult to count accurately. 



