. The earthworms (lumbricidae and sparganophilidae) of Ontario . Fig. 28 External longitudinal views of Lumbricus castaneus showing taxonomic characters, a. Lat- eral view. (NS: Queens Co., cat. no. 8880) B. Ventrolateral view. (NS: Digby cat. no. 8889) bank (Reynolds, 1972a) and Judd (1964) obtained his specimens from the By- ron Bog near London. In unfavourable seasons individuals may be found 1 to V/i metres down in the soil, but little is known of the annual cycle. Copulation, which may not involve secretion of a slime tube (cf. pp. 3-4), is subterranean. This species is obligatorily
. The earthworms (lumbricidae and sparganophilidae) of Ontario . Fig. 28 External longitudinal views of Lumbricus castaneus showing taxonomic characters, a. Lat- eral view. (NS: Queens Co., cat. no. 8880) B. Ventrolateral view. (NS: Digby cat. no. 8889) bank (Reynolds, 1972a) and Judd (1964) obtained his specimens from the By- ron Bog near London. In unfavourable seasons individuals may be found 1 to V/i metres down in the soil, but little is known of the annual cycle. Copulation, which may not involve secretion of a slime tube (cf. pp. 3-4), is subterranean. This species is obligatorily amphimictic (Reynolds, 1974c). Janda and Gavrilov (1939) did not find that iso- lated individuals laid cocoons. 90
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