Vegetable Mould and Earthworms, London, 1881.

[413]

Zool. Anz. xi. 1888, p. 72.

[414]

See Fletcher, P. Linn. Soc. N.S.W. (2) iii. 1889, p. 1542.

[415]

In Sitzungs-Ber. Böhm. Ges. 1889, p. 183.

[416]

See Dr. Rosa in Ann. Hofmus. Wien, vi. 1891, p. 379.

[417]