r 



Figure 165. — Dwarf sperm whales have several 

 short creases on the throat, similar to those 

 found on the sperm whale (see Fig. 60); pygmy 

 sperm whales lack these creases. To compare 

 other features of the two species, refer back to 

 Figure 160. (Photo by D. K. Caldwell) 



Figure 166. — Closeup of the tail flukes of a 

 dwarf sperm whale from the Florida east coast. 

 Note that the dorsal ridge extends ahnost to 

 the notch in the flukes. (Photo by W. A. Buck, 

 courtesy of MarmeUmd of Florida. ) 



149 



