[112]

Ed. van Beneden, Bull. Acad. Roy. Belgique, 1876, p. 35.

[113]

Whitman, Mittheil. Zool. Stat. Neapel, Bd. iv.; see also Braun, in Bronn's Thierreich, Bd. iv. p. 253.

[114]

Braun, loc. cit. p. 281 (with literature).

[115]

Giard, "La Castration parasitaire," Bull. Sci. d. France et de Belgique, 3 sér. i. 1888, p. 12.

[116]

Schulze, Abh. Akad. Berlin, 1891, p. 1.