L] 
THE LIMIT OF TREES. 
43 
Finmark, for instance, upon Keiioe. In Siberia the limit of 
trees runs to the beginning of the estuary delta, i.e., to about 
72° N. Ld As the latitude of North Cape is 71° 10', the wood 
ill Siberia at several places, viz., along the great rivers, goes 
considerably farther north than in Europe. This depends partly 
on ■ the large quantity of warm water which these rivers, in 
summer, carry down from the south, partly on the transport of 
seeds with the river water, and on the more favourable soil, 
LIMIT OF TREES IN SIBERIA. 
At Boganida, after Middendorf. 
which consists of a rich mould, yearly renewed by inundations, 
but in Norway again for the most part of rocks of granite and 
gneiss or of barren beds of sand. Besides, the limit of trees 
has a quite dissimilar appearance in Siberia and Scandinavia : 
1 According to Latkin, Die Lena mid %hr Flussgehiet (Fetei'inann’s 
Mittheilungen, 1879, p. 91). On the map which accompanies Engehardt’s 
reproduction of WrangeFs Journey (Berlin, 1839), the limit of trees at the 
Lena is placed at 71° N. L. 
