Fig.
[1.] [Anelasma squalicola], (copied from Lovèn.) The ovigerous lamellæ are seen within the edges of the aperture of the capitulum. Enlarged about one and a half times.
[2.] [Anelasma squalicola], (from Lovèn), with the membranes removed from one side of the capitulum and of the peduncle, exhibiting the body.
(a.) External membrane of the capitulum.
(a, a.) Inner membrane of ditto, lining the sack, and separated from the external membrane by a double fold of corium.
(b.) The ovigerous lamellæ, the edge projecting beyond the orifice of the capitulum.
(c.) Penis, succeeded by six pairs of rudimentary cirri.
(d.) Probosciformed mouth.
(e.) Orifice of the acoustic (?) sack.