[16] Philosophical Transactions, 1820, vol. ii., p. 165.
[17] It is but fair to add, however, that Vogt and others contend for the animal origin of this substance, and regard the Protococcus nivalis as simply a development of the infusoria, Disceræa nivalis.
[18] Macmillan, "Footnotes from the Page of Nature," pp. 141-143.
[19] The two temperate zones together represent perceptibly the half, or 0.520, and the torrid zone, two-fifths, or, more exactly, 0.398, of the terrestrial surface.
[20] That is, muttering, marmot-wise, one's prayers.
[21] Byron.
[22] Also called the Golden-crested Wren.
[23] C. Vogt, Agassiz, und seiner Freunde geologische Alpenreisen, p. 181. Frankfort, 1847.
[24] A flower with a stalk is called pedunculate or pedicellate; without a stalk, it is sessile.
[25] Pliny, "Historia Naturalis," xxv. 18.