[{19}] .39 inch.—Translator’s Note.

[{20}] These experiments are described in the author’s essay on the Mason Bees entitled Fragments on Insect Psychology.—Translator’s Note.

[{21}] A species of Wasp.—Translator’s Note.

[{22}] In Chap. VIII. of the present volume.—Translator’s Note.

[{23}] Jules Michelet (1798-1874), author of L’Oiseau and L’Insecte, in addition to the historical works for which he is chiefly known. As a lad, he helped his father, a printer by trade, in setting type.—Translator’s Note.

[{24}] Chapter III. of the present volume.—Translator’s Note.

[{25}] A species of Dung-beetle. Cf. The Life and Love of the Insect, by J. Henri Fabre, translated by Alexander Teixeira de Mattos: chap. v.—Translator’s Note.

[{26}] A species of Beetle.—Translator’s Note.

[{27}] Cf. Insect Life, by J. H. Fabre, translated by the author of Mademoiselle Mori: chaps. i. and ii.; The Life and Love of the Insect, by J. Henri Fabre, translated by Alexander Teixeira de Mattos: chaps. i. to iv.—Translator’s Note.

[{28}] Chapter II.—Translator’s Note.