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Male
(Kenepuru specimen, 4 mm. long.)
Gnathopods. First: Sideplates deeper than wide. Basos margins with a few setae, posterior ones the stouter or longer. Ischium as long as merus, less than ⅓ basos; posterodistal angles of both have long setae; merus width ¾ length, anterior ½ of distal margin has long setae. Carpus subtriangular, as wide as long, nearly ½ basos length, strong tuft of setae at posterodistal angle; plumose setae on middle of end margin. Propod ovate, width distally ⅔ length, almost as long as basos; short setae at anterodistal angle; a few short setae on posterior surface; posterior margin has a few long setae distally; slightly oblique convex palm has row of about 12 short seta-tipped spines on each side of margin, several long setae also, posterodistal angle defined by the end of these spine rows; pos-
![Thumbnail: [Volume 81, 1953 page 617]](/journals/rsnz/images/rsnz_81/thumbnails/rsnz_81_04_0742_0617_ac_02.gif)
terior free margin more than ½ length anterior. Stout dactylos as long as palm, very oblique teeth on inner margin, seta on outer near base, dactylos about ⅘ length. Second. Sideplate ventrally convex, with setae (and inversely crenulate). Basos width ¼ length, a few marginal spines and setae. Ischium ⅕ basos length, pair of setae posterodistally Merus trapezoid, posterior margin nearly ¼ basos length; posterodistal angle has tuft of 2 or 3 setae. Carpus subtriangular, distally almost as wide as long, length ⅔ basos, a pair of setae anterodistally, series of setae on end margin posteriorly. Propod ovate, greatly expanded, narrowing distally to dactylos, as long as basos; straight anterior margin has 1 or 2 setae. tuft at distal angle; posterior margin regularly convex, palm occupying distal ¾, defined only by short, stout seta-tipped palmar spines of which there are 2 rows of about 20 each, a few long setae; a few short setae on surface Long curved dactylos ⅘ length anterior margin, seta on outer margin proximally, inner obliquely toothed, a few small surface setae.
Peraeopods. First: Stout dactylos ⅔ propod length, a strong tooth along inner margin so dactylos almost bidactylar, 1 or 2 setae between tooth and tip.
Localities. Kenepuru Sound, coll C. Chilton: Waikawa and Torea Bays. Queen Charlotte Sound; Rona Bay, Wellington Harbour; Greymouth, coll. R. Helms; Akaroa coll C. Chilton “At mouths of fresh-water streams near high-water mark.”
Hypotypes. Slides C.38 (Queen Charlotte Sound) and C 41 (Kenepuru) female, Slides C 40 (Kenepuru), male.