42. Inglisia patella, Maskell.

N.Z. Trans., Vol. XI., 1878, p. 213; Vol. XIV., 1881, p. 219.

([Plate X.], Fig. 2.)

Test of adult female conical or limpet-shaped, white, glassy, slightly elongated, striated with rows of air-cells radiating from the apex, and increasing in size to the edge. Length of test, about 1/14in.; height, about 1/40in. The edge is usually very wavy.

Test of male similar, but a little smaller and more elongated.

Adult female filling the test, shrivelling at gestation. Colour greenish-yellow. Edge wavy, corresponding to the curves of the test. Antennæ very short, six-jointed; on the last three joints some hairs. Feet normal; upper digitules very long, lower pair narrow. On the edge of the body is a row of spines, of which each alternate one is conical, the remainder club-shaped; the edge seems double or ribbon-like, and inside it is a row of spinnerets, beyond which is a narrow line of short regular curves. Abdominal cleft wide and circular above, the extremities almost meeting. Anal ring with eight long hairs.

Female of second stage flattish, elongated, wavy-edged; not exhibiting alternate conical and clavate spines.

Young larva naked, flat, active; round the edge a row of clavate spines, but no conical spines. Length, about 1/50in.

Adult male greenish-yellow; length, 1/24in. Antennæ of ten joints, all except the first bearing hairs. Foot normal; digitules fine hairs. Abdominal spike about half the length of the abdomen, with two long white setæ springing from the basal tubercle.