compiled principally from the plants collected by Dr. Richardson & Mr. Drummond on the late northern expeditions, under command of Captain Sir John Franklin, R.N. To which are added (by permission of the Horticultural society of London,) those of Mr. Douglas, from north-west America, and of other naturalists

including the reports of Capt. J.C. Ross and the discovery of the northern magnetic pole

treating of the principles of the science

Vortrag gehalten den 6. Dezember 1866 auf dem Rathhaus in Zürich

with an outline of glacial and post-tertiary geology and remarks on the origin of species : with special reference to man's first appearance on the earth

prepared for the use of the arctic expedition of 1875, under the direction of the Arctic Committee of the Royal Society

with lists of plants and animals collected, and notes on the fossils

including a revision and attempted solution of the problem of geological climates