122 



during the three following days, with the wind on the 1st and 

 2nd north-west, veering afterwards to south-east. A little rain 

 fell also on the 12th, and there was a Scotch mist on the 13 th. 



The observations were also taken in Camp 4 (lat 27° lOV 

 long. 131° 48') from the morning of the 10th till 9h. a.m. of the 

 18th. Elevation of the hypsometer 1,850 feet. The aneroid 

 during this period ranged from 28'03 inches at 3h. p.m. of the 

 10th to 28-49 at 9h. a.m. on the 14th, and the minimum and 

 maximum temperatures were as under : — 



Clear. 



Cloudy. 



Cloudy, little rain. 



Cloudy. 



Clear. 



Clear. 



Clear. • 



Cleai'. 



Cloudy. 



The only other rests were at Camp 6 (1,575 ft.), on 20th and 

 21st ; Camp 9 (1,540 ft.), from evening of 23rd to 9h. a.m. of the 

 27th ; and at Camp 10, on 28th and 29th. 



With the exception of the first four days, and the 11th and 

 12th, the weather was fine ; the winds variable, south-east being 

 the most frequent, and on some days, especially during the last five 

 days, west (N.W. to S.W.). 



The nights throughout were very cold, the temperature falling 

 below freezing on 16 nights, the lowest being 22°, on the morning 

 of the 23rd, with clear sky and light north-east wind, the mean, 

 often minimum, reading was 30'5° or 1-5° below freezing. The 

 highest minimum was 40° on the 18th. The days were pleasantly 

 warm, the highest temperature (73°) curiously enough occurred 

 on the same day as the lowest (22°), viz., on the 23rd, or a range 

 of 51° during the day. 



The sky was clear, or mostly clear, on 13 days, and partially 

 clouded on 11 days. Faint zodiacal light on evening of 25th. 



Aneroid. 





Min. 



Max. 



10th 



32° 



69° 



11th 



35 



66 



12th 



30 



69 



13t]i 



29 



60 



14th 



29 



66 



15th 



26-5 



63 



16th 



29 



69 



17th 



28 



67 



18tb, 



40 



70 



Mean at 9h. a.m. 



28-32 





3h. p.m. 



28-23 





Temperature. 







Dry Bulb. 



Wet Bulb. 



Mean minimum 



30-5" 





" at 9h. a.m. 



52-6 



46-7° 



" maximun; 



64-2 





" at 3h. p.m. 



61-3 



49-1 



