[51] Lazaro Spallanzani (1729–1799), the great Italian naturalist.—Translator’s Note. [52] ‘This night, at least, with me forget your care; Chestnuts and curds and cream shall be your fare The carpet-ground shall be with leaves o’erspread And boughs shall weave a covering for your head.’— Pastorals, book i., Dryden’s translation. [53] Louis Racine (1692–1763), son of Jean Racine.—Translator’s Note. [54] ... and even in the mire, The insect, of its worth assured, once and again Ventures to challenge us to make good our disdain. [55] L. Couty, in the Revue scientifique, 6 August 1881.—Author’s Note. [56] ⅝ to ¾ inch.—Translator’s Note. [57] ¼ to ⅓ inch.—Translator’s Note. [58] ¾ to ⅞ inch.—Translator’s Note. [59] ·62 to ·86 inch.—Translator’s Note.