EXTERNAL CHARACTERS. 



745 



Breadth of tail at root 

 Length of posterior flippers 

 Expansion of posterior 

 Length of fore flippers 

 Width of fore flippers 



FIG. 58. Macrorhiuus augustirostris. No. 4704, Nat. Mus. ; J nat. size. 



From tip of nose to corner of mouth 7 



Opening of month ' 



From tip of nose to eye 



From tip of nose to fore flippers 



Length of fissure between the eyelids If 



No. 1. No. 2. 



8 

 4* 

 9 

 3 







2 7 



