m 
Vegetable' Productions of the Hudso^Vs Bay Countries, 
Table X. 
Tabular view of the Progress (f Sprmg in the year 1821 at Fort En- 
terprise, Lat. 64° 28' N. Long. 116° 6' W. 
Mean Temperatures. 
1 
1=^ S 
Date, 
Of preced- 
ing Month. 
Of 10 pre- 1 
ceding 
Days. 
Of maxi- 
mum for 
10 Darys. 
1 
1 Of mini- 
mum for 
10 Days. 
Highest tern 
rature with: 
1 10 Days. 
Phenomena. 
1821. 
Coloured spirit thermometer in the 
Mar. 7. 
o 
d 
0 
sun + 39°. In the shade + 6° 
10. 
20. 
26. 
—8.10 
—23.55 
+ 2,10 
—13.80 
—18 30 
—33.30 
+ 15 
— 1 
+ 2 — 2 
+ 46 +5 
31. 
—11.73 
—3.54 
+ 8.73 
—15.82 
+ 24 
+ 32 +24 
April 1. 
+ 63 +40 
Smart thaw all day. The snow at 
this time was nearly 3 feet deep 
on the lakes, and the ravines were 
nearly filled. 
10. 
+ 8.20 
+ 18.70 
—2.30 
+ 40 
Eagles seen. Rein-deer making a 
northerly movement. The fine- 
ness of the weather at this time 
induced the Indians to think that 
the spring, and consequent mi- 
gration of the deer towards the 
coast, had commenced, but their 
hopes were deferred by the sub- 
sequent cold weather. 
20. 
—7.90 
+ 3.20 
—19.00 
+ 21 
Arctic hares copulating, and begin- 
ning to change their fur. 
30. 
+ 4.70 
+13.80 
+ 27.20 
—0.10 
+ 45 
May 3. 
Temperature in the shade + 42. 
Hawks first seen. Young in the 
nests of the cinereous crow {Cor- 
vus canadensis). Down of the 
American hare becoming grey. 
Trees thawed. Sap beginning to 
flow. 
5. 
Twilight all night. Snow melted 
from the summits of the hills. 
Ptarmigan pairing. Tempera- 
ture in the shade + 46. 
. 7. 
Large patches of ground on the sides 
of the hills visible, 7 weeks later 
than the same occurrence atCum- 
berland House, 10| degrees more 
to the southward. Snow every 
where moist. Temperature in 
the shade +41°. 
8. 
A house-fly seen. 
9. 
A merganser seen. Rein-deer mi- 
grating northwards, exactly a 
month later than the Indians had 
predicted, from the fine weather 
in April. 
