(British), the Compania Sud-America (Chilean), the Kosmos and Roland lines (German), the Merchants line (New York), and a Japanese line from the ports of Japan and China.
that at every tenth year the number of spots reached a maximum), but it met with scant approval, and he continued his observations, which were afterwards utilized in 1851 by Humboldt in the third volume of his Kosmos.
Muller, Kosmos (May 1879), p. loo; (trans.) Proc. Ent.