Adult male unknown.
Habitat—On Brachyglottis repanda, Panax arboreum; Port Hills, Canterbury (Dry Bush).
Distinguished by its large size, great convexity, and black colour, which is not due to fungoid growths, although these, as usual, accompany it.
36. Ctenochiton hymenantheræ, Maskell.
N.Z. Trans., Vol. XVII., 1884, p. 25.
([Plate VIII.], Fig. 1.)
Test of adult female waxy, circular, convex, dirty-white, yellow, or brownish, formed of a number of hexagonal or octagonal segments, which are also convex, giving it a rough appearance. Fringe not very conspicuous. Diameter of test, about 1/12in.
Test of male glassy, dirty-white, oval, segmented, slightly convex, segments of fringe small. Length, about 1/16in.
Adult female yellowish-brown, filling the test. Antennæ of six joints, of which both the second and third seem sometimes double. Foot normal; upper digitules long fine hairs, lower pair broad. The spiracular spines are strong and conspicuous. The skin is divided into segments corresponding with those of the test, the divisions being marked by lines of spinneret orifices which are small and simple.
In the second stage the usual wavy edge of the genus is not generally apparent.