228 



ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 1 1 



PI. ATI', sr, 



Fifr 171. Cramrlla arh (dc- l.nulniilils) , loiiKitudiiKil section through 

 llu' osculc slu.win.ii; llic r;i(li:il stnictuic and dtMiser central 

 portion. 



Fin. 172. Cniiiirllu arh (de l.aubenleis), anatriaenes and protriaenes. 

 X 100. 



