This sac has been already referred to as a coelomoduct.
Levites, Prophet, Sac Rifice).
Sp', Spermathecal sac involving the last.
In the majority of the Megascolicidae each sac is provided with one or more diverticula, tubular or oval in form, of a slightly different histological character in the lining epithelium, and in them is invariably lodged the sperm.
Thus, in Philaemon pungens (Lambert) it has the form of a large sac, into which open by a single orifice the conjoined oviducts.