Note 50 — Chapter II · ON MAGNITUDE
Reading edition
Recherches sur la force absolue des muscles des Invertébrés, Bull. Acad. E. de Belgique (3), VI, VII, 1883–84; see also ibid. (2), XX, 1865, XXII, 1866; Ann. Mag. N. H. XVII, p. 139, 1866, XIX, p. 95, 1867. The subject was also well treated by Straus-Dürckheim, in his Considérations générales sur l’anatomie comparée des animaux articulés, 1828.