EXPEDITION TO POINT BAREOVv', ALASKA. 387 



altitude of about 40, the extremities hidden in the haze which obscured the horizon. This had 

 wholly disappeared at about 10.20 a. in. 



October 27, 1882, 1 a. in. to 4 a. m. The clouds which hud covered the sky broke; away about 1 

 a. in., having a few patches of fleecy cirrus-stratus clouds hiding the stars in the SE. At the 1 a. 

 m. observation two ha/.y, narrow, sinuous bands crossed the zenith from this bank of clouds, ending 

 near Arcturus in the XNW., about 15" above the horizon, passing through Cassiopeia, Cepheus, 

 and Draco. At 1.17 the top of the arch had drifted west to Cygnus and Lyra, the ends remaining 

 fixed, while the arch itself showed a. tendency to split lengthwise (brightness 1); brightest in Bootes, 

 where it had a faint ruddy tinge. There was a slight magnetic disturbance. At 2 a. in. an arched 

 narrow band (brightness 2) stretched from a point in Serpeus about 10 above the NW. horizon to 

 the bank of clouds in the SSE., reaching an altitude of about 30 near a Aquilse. There was a 

 faint suggestion of green and rose color at the northern end. At 2.10 to 2.19 the baud faded 

 slightly, and at 2.17 the crown rose about 2, while at the same time there were also faint traces 

 of a band in the position of the one observed at 1 a. m. From 3 to 3.17 there was a broad aurora 

 running from a point in Bootes "W. of Arcturus just above the northern horizon up through Ursa 

 Major, Ursa Minor, and Perseus, ending in the clouds near Taurus (brightness 1 to 2). It con- 

 sisted of broad, hazy, waving bauds and twisted streaks fading and reappearing quickly, with 

 slight motion, shifting rather to the westward. At 2.10 there were whirls approaching the curtain 

 shape in Caues Yenatici, and a low ill-defined arch in theNE. in Leo Minor, and at 2.17 also a faint 

 band through Cygnus in the W. The magnetic disturbance increased in violence, all the elements 

 being much diminished. From 4 a. in. onwards the sky was obscured by thin clouds. During 

 the whole time the aurora was visible its brightness was much dimmed by the exceedingly bright 

 moonlight. 



October 27 and 28, 1882, 10.30 p. m. to 1.17 a. m. As soon as it was dark enough for the aurora 

 to show, a bright patch with bright streamers was observed in the SE., about 20 above the hori- 

 zon. At 11.13 the aurora was in the form of a hazy arch, with its crown passing through Cygnus 

 and Lyra, and its extremities hidden in the ha/e NW. and SE. At 12.13 the sky was so hazy and 

 the moonlight so brilliant that the position of the aurora among the stars could not be definitely 

 traced. It had the form of a faint arch of hazy light. The crown of the arch bore SW. at an 

 altitude of about 30. Extremities bore SE. and W. by X. At 1 a. m. only the brightest stars 

 were visible through the haze. One broad band made up of transverse streamers, moving rapidly 

 westward with quick undulations from X. to S., crossed the zenith from the N., ending in the 

 clouds in the SE. Several paler secondary bands W. of the main band. The whole aurora was 

 paler <nud much broken at 1.10. At 1.17 it had almost wholly faded, but quickly reappeared in the 

 IS", in the form of curled streaks, covering a large extent of sky. A large magnetic disturbance 

 commenced at 10 p. in., continuing all night. The horizontal force ranged through .517, the decli- 

 nation through 2 54', and the vertical force through .088. At 2 a. in. the sky was clouded, and 

 no more aurora was seen. 



October 29, 1882, 5 a. m. to 11.30 a. m. Up to 5 a. m. the sky was covered by thin, patchy, 

 stratus clouds, through which ho moon shone; after this the sky cleared oft". Soon after dusk 

 faint traces of aurora were seen through the clouds. At 2.13 a. in. a bright streak showed through 

 the clouds in the XXE., the base about 20 above the horizon and running up towards the zenith. 

 At 3 to 3.10 the sky was clear enough near the zenith to expose a band crossing from the N. when 

 it was visible through the clouds to the SE. It could be seen to pass through Lyra and Cassiopeia. 

 At 5 a. in. a band, partly covered with clouds, ran from Bootes through Draco, ending in Andro- 

 meda. It was pale and hazy (brightness to 1), and moved slowly to the "W. No more aurora 

 was visible till t) a. in., when a band passed from Ursa Major through Cauielopardalis, ending in 

 Cassiopeia (brightness Ij. At 10 a. in. a band ran from Leo Minor to Perseus, passing through 

 a Aurigas (brightness 2). At 11 a. in. a patch was visible in Gemini. A violent magnetic disturb- 

 ance commenced at 3 a. in., lasting all night. The horizontal force fell too low to bo read. 



November 2, 1882, 12.30 a. m. to -i a. m. From 12.30 to 12. -l~> a pale, glowing segment, resembling 

 the twilight curve, was discernible in the NE., extending from N. to SI-L, and ivaching an altitude 

 of about 30 3 in the NIL It was very pale, a little brighter in the X.. and continued indistinctly 

 visible until 3, when it developed into two or three definite*, but wavy, pale (0 to 1) bands crossing 



