March 22, 1883 | 
NATURE 
489 
ings were taken at Achintore whenever this was the case), 
and 2.30 p.m. From August I also at 9, 9.30, 10, 10.30, 
and II a.m. 
Elements.—Temperature of air and evaporation (dry 
and wet bulbs), wind and force; kind of cloud, amount 
and velocity ; hydrometeors and remarks in full detail as 
before at all the above times. Pressure by aneroid, 5.30 
to6a.m., and at 2.30 p.m. Rainfall at 9 am. Ozone 
for 15 hours, ending about 5.30 a.m., and for about 9 
hours, ending 2.30 p.m.; also for periods of 4 hour, 
1 hour, 14 hour, and 2 hours between g and 11 a.m. 
(simultaneously with the summit and base stations). 
Temperature of adjacent water-hole subsequently about 
5.30 a.m. and 2.30 p.m. 
PEAT Moss CROSSING.—A minor station about 70 feet 
above sea, 3m. of., situated at the burn AV//t Cotre an 
Lochain. 
Hours and Elements.—About 5.50 a.m. and 2.17 p.m. : 
pressure by aneroid, and temperature of burn. 
LIVINGSTON'’S BOULDER.!—Positiou : 840 feet above 
sea; 3m. 1f.; close to the burn A//t Cotre an Lochain, on 
a level swampy patch; ground around undulating, with 
large boulders of coarse-grained granite lying adjacent. 
Hours.—6.15 a.m. and 1.45 p.m. 
Elements—Pressure by aneroid, temperature of air 
and evaporation (dry and wet bulbs), temperature of 
burn ; wind and force; kind of cloud, amount and 
velocity ; hydrometeors and remarks in full detail as 
before each time. 
THE LaKE.—Position: A plateau-valley 1840 feet above 
the sea, 3 miles, on swampy ground, fairly level, by the 
CF GREAT PRECIPICE 
BRINK 
co 
“9 
Bo H L 
E “ye 
i Au | < 
p K 
Pp L . 
SCALE 
0 1020 40 60 FEET 
Fic. 3.—A, B, C, D, raingauges; E, notice board; F, Ordnance Survey 
cairn; G, solar and terrestrial radiation thermometers; H, Stevenson’s 
thermometer cage and ozone tests; 1, self-registering hygrometer; J, 
barometer cairn; K, earth thermometers; 1, hut. The apparatus for 
measuring the actinism of light is near the edge of the precipice N.E. 
from the hut. 
north-east shore of the tarn, Lochan Meall an t-Suidhe : 
Barometer Cairn. 
Solar Radiation Thermometer. 
Hut. 
Standard Rain-gauge. 
Thermometer Cage. 
Fic. 4. 
granite blocks and hummocks of bog, moss, and dwarf- 
* The altitude of this station and those of the following intermediate 
stations, except the Lake, were determined by mean results of aneroid read- 
ings, and must be accepted accordingly. 
heather to eastward. Main slopes of Ben Nevis on east- 
south-east side, and AZeal/ an ¢-Suzdhe on west side. 
Hours.—7 a.m, and I p.m. 
Elements—Pressure by mercurial barometer, com- 
