EXPEDITION TO POINT BARROW, ALASKA. 237 



Table xlioiclnfi the temperature of the air at Uglaamie from October, 18.S1, to Auguxt, ISs;; Continued. 



{llrijjlitof tin' tliiTiHi.mn'iiTiil>o\i' t In . ..in fare ol the eartli, 4 feet. Washington mean time. Corn', lion toi-cdnce to mi-mi IOIM! Hmc, 3 hours 



17 minutes.) 



