[54] Proceedings Nat. Hist. Soc. Glasgow, vol. i. pt. ii. n. s. pp. 130–132.
[55] British Sessile-eyed Crustacea, ii. 381.
[56] Book of Nature, i. 174.
[57] Mémoires, iv. 386.
[58] Proceedings Boston Society of Natural History, xxi. 223–228.
[59] Natural History of Aquatic Insects, p. 47.
[60] Mémoires du Museum, xviii. 442, 443.
[61] Mémoires, vi. 352–55.
[62] Diptera, iii. 281.
[63] Cambridge Natural History, v. 494.