Page:Transactions NZ Institute Volume 15.djvu/113

triangular; propodos irregularly ovoid, palm oblique, excavate, defined by a triangular tooth, and armed with another of similar form near the distal end. Two anterior pairs of pereiopoda subequal; three posterior pairs with the basa oblong twice as long as broad, the other joints very broad, the dactylos very stout; fourth pair smaller than the fifth and sixth. Rami of fourth pair of pleopoda as long as the protopodite; those of the fifth pair shorter; those of sixth pair very short, conical, armed with a few straight setæ. Telson simple, conical, compressed. Colour brown. Length, ³⁄₂₀ inch."

Hab. Lyttelton Harbour; Timaru.

This species is moderately common at Lyttelton Harbour; Mr. Haswell's specimens are from Port Jackson. The female differs from the male in the form of the second gnathopoda. The first gnathopoda are like those of male, and are shown in pl. II., fig. 5a. They are very hairy, and at the inferior edge of the palm are two stout setæ. The second gnathopoda of female are much smaller than those of the male, the carpus is subtriangular and larger than the carpus in the second gnathopoda of male, it has its distal and inferior borders setose; propodos only slightly broader than the carpus, long ovate, with small tufts of setæ on the two sides and on the middle, palm oblique imperfectly defined by a stout seta on each side at the end of the dactylos.

Moera incerta, sp. nov. Pl. III., fig. 3.

None of the segments of pleon or pereion produced into teeth. Coxæ shallower than their respective segments. Basal joint of upper antenna stout, narrowing distally, second joint only slightly longer than the first, third joint short; flagellum shorter than peduncle, about as long as the basal joint and half the second; secondary appendage rather more than half as long as the flagellum; setæ on the antenna short and very fine. Lower antenna shorter than the upper, slender; peduncle as long as that of upper antenna, last joint of peduncle slightly shorter than the preceding joint, flagellum short, not quite so long as the last joint of the peduncle, setæ short and delicate. First pair of gnathopoda having the carpus about as large as the propodos; its outer edge with a shallow notch towards the distal end, inner edge densely fringed with setæ, small tufts of setæ scattered over the joint; propodos ovate, not very hairy, palm slightly convex, fringed with short setæ, imperfectly defined by one or two stout short setæ; dactylos slender acute, with one or two long setæ at its base. Second pair of gnathopoda very large, carpus rather small subtriangular, propodos very large, subrectangular, slightly narrowed at the base, inner margin slightly sinuous, with a few small tufts of setæ