On the Origin and Metamorphoses of Insects

by Sir John Lubbock

[55] “Embryology of Echinoderms,” l. c. p. 15.

[56] Mr. and Mrs. Agassiz: “Seaside Studies,” p. 139.

[57] l. c. p. 138.

[58] Wien. Zool. Bot. Gesells, 1869.

[59] Linnean Transactions, 1863.

[60] Linnean Transactions, 1866, vol. xxv.

[61] Linnean Transactions, vol. xxiv. p. 65.

[62] Siebold und Kolliker’s Zeitschr. f. Wiss. Zool., 1864.

[63] Linnean Journal, vol. xi.

[64] Facts for Darwin, p. 120.