450 



Scottish Expedition, At Laurie Island, South Orkneys, during the four months November to February, barometer observations 

 NovomWr lo Fob' *'"> we( l il nlcan pressure of 29-150 inches. The highest pressure, 29-902 inches, was recorded on the 

 riiary. 1903-4. ir,tli February ; the lowest, 28-338 inches, on 14th November a range of 1 -564 inches. 



The station on Laurie Island during this time had a mean temperature (if 31 -4 F., the maximum 

 temperature, 47" -5 F., occurring on the 11th February; the minimum, 14" '9 F., on the 2nd November 

 a range of 32" 6. 



The prevailing winds appear to have been those from north-westward, but south-easterly winds were 

 frequent, and there was a large percentage of calms. The average force of the wind, as estimated, may 1x3 

 gi ven as 1'5, and there were 5 entries of gale force during the time. The weather was overcast or cloudy 

 during the greater part of the period, the average amount of cloud being estimated at 9. 



Under the hourly observations of weather, snow is noted on 572 hours, sleet on 50, rain on 241, hail on 

 1C, fog or mist on 115. 



Commenting on the wind observations during this period, Mr. MOSSMAN states that the position of the 

 station was not a good one for such observations. The station was moved from the ship to the shore on 

 the 1st November, 1903. The shore station was situated under the lee of a high cliff, and in this 

 position the south-west wind of the island was deflected to south and south-east; north-west winds 

 were not materially affected, but there was a tendency for west-north-west winds to be deflected to 

 north-west. 



"Scotia," February, From the 21st to the 29th February the "Scotia" was cruising in the Weddcll Sea, during which time 

 her average geographical position is represented by the parallel of 64" S. and the meridian of 36] W. 

 The mean of the barometer observations taken during this cruise, 29-030 inches, is 0-043 inch lower than 

 the mean of similar observations taken at Laurie Island during the same time. The observations for 

 temperature taken on board the "Scotia" give a menu of 29 F., which is l-3 lower than the mean 

 temperature at Laurie Island attained in the same period. The " Scotia's " maximum reading was 31" 8 F., 

 her minimum 25 9 F. 



Out of 216 observations of wind direction, 70 were of winds from south-westward, 53 from southward, 

 and 38 from south-eastward. The average force of the wind was 1 -7. 



"Discovery" Home- ^ nc "Discovery" left McMurdo Sound, on her homeward voyage, on the 19th February, 1904, aecom- 



ward, 19tU Ffb. paiiicd by the Relief Ships " Morning " and "Terra Nova." From that date to the 25th, when she was in 



Mardi, 1904. latitude 71" 2' S., longitude 169 32' E., at noon, the four-hourly barometer observations taken on board 



show a mean pressure of 29-36 inches. The highest barometer reading recorded on these 7 days. 



29-57 inches, relates to the 24th, and at the time of observation there was no wind; the lowest reading, 



29-20 inches, noted on the 20th, was associated with a moderate breeze from west by north. 



The mean of the temperature observations, taken at this period of the voyage, is 27 F. ; the maximum 

 temperature, 33" F., was noted on the 21st, a light air stirring at the time; the minimum, 22 F., on the 

 19th, with a fresh breeze from south-east by south, and again on the following day, with a gentle breeze 

 from west by north. 



The average direction and force of the wind is found to have been south-west by south, 1-6. The 

 weather was noted as oven-ast mi 1 day, and snow fell on 2 days. 



During the next 7 days, while the "Discovery" was proceeding northward to a position in latitude 

 67 35' S., longitude 159 54' K, which she reached at noon on the 3rd March, observations lor pressure 

 wore made which show a mean of 28-83 inches. The highest barometer reading recorded during these 

 days, _'!> 17 inches, relates to the 2Gth February, and a light air from west-north-weal was noted at the 

 time; the lowest reading, 28-29 inches, to the 28th, and at the time of observation the wind blew strongly 

 from south-cast by south (force 7). 



(>t the observations for temperature, the mean is found to be 29 F. for the period: the maximum 

 tvnip.Taiiire, .'!:.' F., was recorded on the :iril .March, with a light breeze from east by north, in latitude 

 67| S. ; the minimum, 26 F., on the 26th February, with a moderate breeze from north by west, in 

 latitude 70.1 S. 



The ;i\crage direction of the wind, on these days, was from between southeast and north-west, round by 

 BOUth, except on the ,'Jrd March, when the .v.crage direction was north -north-east. The mean force is 



