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[73]. G. Smith, Fauna u. Flora d. Golfes v. Neapel, Monogr. xxix., 1906, pp. 60–64, 119–121.
[74]. Bull. Sc. Dép. Nord (2), 10 Ann. xviii., 1887, p. 1. Ibid. (3), i., 1888, p. 12; and other papers.
[75]. G. Smith, loc. cit. chap. v. I. scorpio should be I. mauritanicus throughout this Monograph.
[76]. F. A. Potts, Quart. J. Micr. Sci. l., 1906, p. 599.
[77]. Faxon, Ann. Mag. Nat. Hist. (5), xiii., 1884, p. 147.
[78]. G. Smith, Mitth. Zool. Stat. Neapel, xvii., 1905, p. 312.
[79]. C. L. Boulenger, Proc. Zool. Soc. 1908, p. 42.
[80]. Garnier, C. R. Soc. Biol. liii., 1901, p. 38.
[81]. Gruvel, Monographie des Cirrhipèdes, 1905, p. 152.