90* 



30' 



20* 



50* 



Chtsaptakt 8 



ATLANTIC 



Rio 

 Grand* ' 



G U L 



MEXICO 



OCEAN 



CARIBBEAN SEA 



e 



« 



t St L.d. 



' f So. H 



33™ 



PACIFIC OCEAN 



A mat on R. . 



A o- 



100* 90' 80° 70* 60° 50° 



Fiquhe 1. — Area of western North Atlantic Ocean, including portions of eastern North America, Middle America, and 

 northern South America, covering centers of distribution for most species treated in this handbook. 



FISH AND WILDLIFE SERVICE 



