404 PROCEEDINGS OF THE ACADEMY OF [June, 



sheath along anal base. Soft dorsal and anal mostly covered with 

 inconspicuous small scales. Lateral line complete, nearly concurrent 

 with dorsal profile. Tubes double on each scale, rather large. 



Spinous dorsal inserted little nearer origin of soft dorsal than 

 hind eye edge, third spine longest, second and fourth subequal, and 

 depressed fin extends § to soft dorsal. Latter inserted midway 

 between hind preopercle edge and caudal base, first branched ray 

 highest, and fin extends f to caudal base. Anal inserted close behind 

 soft dorsal origin, little larger, similar. Caudal double truncate, 

 median rays longest and form point. Pectoral long, pointed upper 

 median rays longest, reach § to anal. Ventral inserted little behind 

 pectoral origin, and fin half way to anal origin. 



Color in alcohol brownish-olive above, sides and lower surface 

 silvery-white. Head olivaceous above, whitish below. Large dusky 

 nebulous blotch on opercle. Dorsals and caudal dull olive, pectoral 

 paler. Ventrals yellowish, tinged with orange basally. Anal pale 

 yellowish, lower edge narrowly dusky. 



Length 174 mm. 



Type, No. 45,236, A. N. S. P. Colon, Canal Zone. D. E. Harrower. 



Related to Isopisthus parvipinnis (Valenciennes), which would 

 differ in having more dorsal rays (21 instead of 16) and fewer anal 

 rays (16 or 17 instead of 18), fewer pores in the lateral line (52 to 54 

 instead of 60), and in having an indistinct elongate dark blotch from 

 behind the eye to the middle of the opercle. 



(Named for Mr. D. E. Harrower, who collected the type.) 



Cynoscion jamaicensis (Vaillant and Bocourt). 



One, 145 mm. 



Larimus breviceps Cuvier. 



Two examples, 114 and 158 mm. 



Conodon nobilis (LinD§). 

 One, 140 mm. 



Umbrina coroides Valenciennes. 



Two, 164 and 182 mm. 



Eucinostomus barengulus Goode and Bean. 



Two, 65 and 117 mm. 



Gerres rhombeus Cuvier. 

 One, 115 mm. 



Polydactylus virginicus (Linn*) 

 One, 196 mm. 



