Eisen, "Anat. Studies on Ocnerodrilus," Proc. Calif. Acad. (2) iii. 1892, p. 228.

[443]

Beddard, Ann. Mag. Nat. Hist. (6) x. 1892, p. 74.

[444]

Beddard, P. Z. S. 1885 and 1895, for Antarctic Acanthodrilids; Michaelsen, in Jahrb. Hamburg. Anst. 1888-95, for Benhamia.

[445]

For a general account of the Eudrilidae, see my Monograph of the Order Oligochaeta, Oxford, 1895.

[446]

Nouv. Arch. Mus. Paris, viii. 1872, p. 5.

[447]