374 Andr. Lundager 



In 1908 observations were made for the first time on March 12, 

 and even then the black-bulb thermometer stood 30° higher than 

 the station-thermometer; 3 days earlier, therefore, than in the 

 previous year, when this result was not attained till March 15. But 

 the greatest difference is a little lower than in 1907, and occurs a 

 little later — April 2nd. 



For some of my measurements of temperature in the field, I 

 also employed the black-bulb thermometer and, at the same time, 

 thermometers with a blank bulb and with a coloured, brown bulb. 

 For the measurement of the temperature of the air the swinging 

 thermometer was then employed. 



May 17, 1907, at 3 p. m. 

 Air — 7.0° 



Black bulb + 13.0° ) 



Di 1 u lu I с o° i Wing on a level gravel-field. 

 Blank bulb + 6.8 J ' * ^ 



May 20. Air — 2.0° 



At 1.35 p. m. Black bulb upon the mountain, in 



a tuft of Luzula -(- 29.6° 



At 1.45 p.m. Black bulb in wet clayey soil +26.6° 



At 1.55 p. m. Black bulb upon the snow -|- 34.0° 



On July 3, at 5 p. m. Air + 8.6°, the black-bulb 

 thermometer registered on an irrigated gravel- 

 field facing the south -|- 24.7° 



(with running water upon the ground -j- 14.8°) 



on a tuft of Draba + 29.7° 



on light-coloured clayey soil +31.2° 



July 4, at 11 a.m. Air +8.3 

 Black bulb in a tuft of Potentilla on the mountain + 35.8 



(The earth at a depth of 4 cm. showed + 13.8° 



and the water in a small tarn with a snowdrift 



on its bank showed + 13.0) 



July 21, at 7.45 p. m. Air + 1.5° 



Black bulb +17-0 1 all three thermometers lying 

 Brown bulb + 10.6 insolated on flowering 

 Blank bulb + 10.0 ) Cassiope. 



The day had begun with fog, but this lifted about 2 o'clock, 

 when the sun shone slightly. 



