Views of nature: or Contemplations on the sublime phenomena of creation / with scientific illustrations

by Alexander von Humboldt

[RB]. Aristot. De Generat. Animal. v. i. p. 778, and De Somno et Vigil. cap. i. p. 455, Bekker.

[RC]. Kunth, Lehrbuch der Botanik, 1847. Th. i. s. 511; Schleiden, Die Pflanze und ihr Leben, 1848, s. 100.

[RD]. Probl. 20, 7.

[RE]. Theoria Generationis, § 5–9.

[RF]. See Kunth, Synopsis Plantarum quas in itinere collegerunt, Al. de Humboldt et Am. Bonpland, t. iii. pp. 87, 360.

[RG]. Geognostical Essay on the superposition of Rocks in both Hemispheres. 8vo. Lond. 1803.

[RH]. See Abhandl. der Königl. Akademie der Wissenschaften zu Berlin. Jahr 1822 und 1823, s. 3–20.

[RI]. Acta S. Patricii, p. 555, ed. Ruinart; Cosmos, vol. i. p. 220, (Bohn’s edition).

[RJ]. A Portico in Athens containing a picture gallery painted chiefly by Polygnotus, with the assistance of Micon and Panænus. Zeno taught his doctrines there, and was in consequence called the Stoic, from stoa, a portico, and his school the Stoic-school—Ed.

[RK]. The very same idea is expressed in Schiller’s Walk under the Linden Trees.—Ed.