-f* I 



Figure 151. — A rough-toothed dolphin stranded near New Smyrna Beach, Fla. 1 his species has from <20 to 27 fairly large teeth in each side of both the upper 

 and lower jaws. Those teeth are sometimes marked by many fine vertical wrinkles along the crown, a characteristic from which the species derives its 

 common name. {Photos by D. K. CaldweU.) 



137 



