EXTERNAL CHARACTERS. 



745 



Breadth of tail at root 



Length of posterior flippers 



Expansion of posterior flippers 



Length of fore flixij)ers 



Width of fore flippers 



Round extremity of body at root oi tail 



EiG. 58. Macrorhinus angustirostris. No. 4704, Nat. Miis. ; } nat. size. 



Xo. 1. No. 2. 



From tij) of nose to corner of ruouth 7 8 



Opening of month 4^ 4^ 



From tip of nose to eye 8 9 



From tip of nose to fore flippers 2 7 3 



Length of Assure bet%Yeen the eyelids If" 



