FOOTNOTES:
[21] The needful term Biology (from Bios, life, and logos, discourse) is now becoming generally adopted in England, as in Germany. It embraces all the separate sciences of Botany, Zoology, Comparative Anatomy, and Physiology.
[22] See Ehrenberg: Microgeologie: das Erden und Felsen schaffende Wirken des unsichtbar kleinen selbstständigen Lebens auf der Erde. 1854.
[23] Charles Robin: Histoire Naturelle des Végétaux Parasites qui croissent sur l’Homme et sur les Animaux Vivants. 1853.
[24] From cilium, a hair.
[25] Quain’s Anatomy. By Sharpey and Ellis. Sixth edition. I., p. lxxiii. See also Sharpey’s article, Cilia, in the Cyclopædia of Anatomy and Physiology.
[26] Goethe: Zur Morphologie, 1807. Von Baer: Zur Entwickelungsgeschichte, 1828. Part I., p. 158.
[27] Swammerdamm. Bibel der Natur, pp. 75-77.
[28] By Von Siebold. See his interesting work, Ueber die Band-und-Blasenwürmer. It has been translated by Huxley, and appended to the translation of Kuechenmeister on Parasites, published by the Sydenham Society.
[29] Seaside Studies, pp. 308, sq.
[30] Von Siebold: Ueber Band-und-Blasenwürmer. Translated by Huxley.