254 



EXPEDITION TO POINT HATCHOW, ALASKA. 



Tl>1e thawing tfie moisture of the air at Uglaamic from October, 1881, to August, 1883 Continued. 



[ll.'i-h; el l lu- l:\sioimrteralmyc- tin- sull'.icu of tlic ground, 4 l'r< t. \\'jisliiu<;tiii ; etii'ii lecluenl l 1111:111 lm-;i] time, 5 hours 



17 minutes.] 



