﻿REVISION OF GENUS HARENGULA — RIVAS 281 



3b. Gill rakers more numerous, 34 to 40, usually 35 to 39, on lower limb of first 

 arch; ventral scutes 28 to 31, usually 29 or 30, most frequently 30; east 

 coast of United States from North Carolina southward to Florida Keys 

 and along Gulf coast to Yucatdn, also Bahamas, western Cuba, and 

 Isle of Pines. 

 8a. Head shorter and deeper, its length 3.4 to 3.9, usually 3.5 to 3.8, in length, 

 its depth at occiput 3.1 to 3.5, usually 3.2 to 3.4, in length; body deeper, 

 its greatest depth 2.3 to 3.0, usually 2.5 to 2.8, in length; origin of dorsal 

 fin usually nearer tip of snout than to origin of anal; caudal peduncle 

 deeper, its least depth 1.7 to 2.1, usually 1.8 to 2.0, in distance between 

 occiput and tip of snout; eye smaller, 3.6 to 4.5, usually 3.7 to 4.4, in 

 greatest depth of body; east coast of United States from North Caro- 

 lina southward to Florida Keys and along Gulf coast to Yucatdn; 



Bahamas 8. Harengula pensacolae pensacolae 



86. Head longer and less deep, its length 3.1 to 3.4, usually 3.2 or 3.3, in 



length, its depth at occiput 3.4 to 4.1, usually 3.5 to 3.9, in length; 



body less deep, its greatest depth 2.8 to 3.3, usually 2.9 to 3.1, in length; 



origin of dorsal fin usually nearer origin of anal than to tip of snout; 



caudal peduncle more slender, its least depth, 1.9 to 2.6, usually 2.0 



to 2.5, in distance between occiput and tip of snout; eye larger, 2.6 to 



3.7, usually 2.8 to 3.6, in greatest depth of body; Florida Keys, western 



Cuba, and Isle of Pines. 



9a. Predorsal contour more convex and less steep, the back less elevated; 



distance between origin of dorsal fin and axis of body 2.2 to 2.7, 



usually 2.3 to 2.6, in head; head less compressed, its greatest width 



2.1 to 2.4, usually 2.2 or 2.3, in greatest depth of body; body less 



deep, its greatest depth 2.9 to 3.3, usually 3.0 or 3.1, in length, 1.3 



to 1.6, usually 1.4 or 1.5, in predonsal length; caudal peduncle more 



slender, its least depth 2.6 to 3.0, usually 2.7 to 2.9, in head; 2.1 to 



2.6, usually 2.2 to 2.5, in distance between occiput and tip of snout; 



eye larger, 2.5 to 2.9, usualh'- 2.6 to 2.8, in head; 2.6 to 3.6, usually 



2.8 to 3.4, in greatest depth of body, its diameter equal to or greater 



than least depth of caudal peduncle and exceeding its vertical 



distance above ventral contour of head; interorbital 1.7 to 2.1, 



usually 1.8 to 2.0, in eye; Florida Keys and western Cuba. 



10a. Head less deep, its depth at occiput 3.5 to 4.1, usually 3.6 to 4.0, 



in length (see table 3) ; north coast of western Cuba, from Ense- 



nada de Matahambre to Cape Caj6n. 



9. Harengula pensacolae cubana 



10&. Head deeper, its depth at occiput 3.4 to 3.8, usually 3.5 to 3.7, in 



length (see table 3) ; Florida Keys, from Old Rhodes Key to 



Key West 10. Harengula pensacolae floridana 



96. Predorsal contour less convex and steeper, the back more elevated; 

 distance between origin of dorsal fin and axis of body 2.1 or 2.2 in 

 head; head more compressed, its greatest width 2.4 to 2.6, usually 

 2.5, in greatest depth of body; body deeper, its gretaest depth 2.8 

 to 3.0, usually 2.9, in length; 1.2 or 1.3 in predorsal length; caudal 

 peduncle deeper, its least depth 2.3 to 2.6, usually 2.4 or 2.5, in 

 head, 1.9 to 2.1, usually 2.0, in distace between occiput and tip of 

 snout; eye smaller, 2.8 to 3.0, usually 2.9, in head, 3.4 to 3.7 in 

 greatest depth of body, its diameter less than least depth of caudal 

 peduncle and not exceeding its vertical distance above ventral 

 contour of head; interorbital 1.5 to 1.7 in eye; Isle of Pines. 



11. Harengula pensacolae pinensis 



