[332]

Claparède, "Annélides Chétopodes du Golfe de Naples," Supplement, 1870; and Wistinghausen, Mt. Zool. Stat. Neapel, x. 1891, p. 41.

[333]

Claparède used the term "epigamous" for this phase; Ehlers employed the term "epitokous," whilst he called the "Nereid" phase "atokous," under the impression that the worm did not become mature in this condition.

[334]

Malaquin gives a detailed account of the asexual reproduction in Syllidae in Recherches sur les Syllidiens, Lille, 1893, and in Revue Biol. d. Nord de la France, iii. 1891. See also St. Joseph, "Les annelides polychétes des côtes de Dinard," Ann. Sci. Nat. Zool. (7th ser.) i. 1886, p. 134.

[335]

Alex. Agassiz, Boston J. Nat. Hist. vii. 1863, p. 384.

[336]

Huxley, Edinb. New Philosoph. Journ. 1855, i. p. 113.