1911] Swarth: Alaska Expedition of 1909. 117 



o 



Number 



CO 



l>3 to I>0 m '^ 



00 00 -<t Total Length c! 



I~* !0 DO p 



bo bo to ^ 



I*!.. en 1^. Basal Length td 



>^- 00 O [^ 



oo 

 c:| 

 W 



o 



>^ 



o 

 b 

 o 



o 



CI 

 So 



IS 



Is 



o 



o 

 M 

 a 



> 

 o 

 o 



CO 



t-l 

 > 



*; " Length of \ " 



o Main Beam I ^> 



Distance ) ^ 



^ bo between Points 



CO 



w 



°^ of Main Beam I I ?* 



Across Point 

 of Greatest 

 Convexity 



