wide as 1st. In female, fewer sensory setae; flagellar 1st segment has shorter non-setose portion; length, 1 mm. Second: Inserted inferiorly to eyes; of 7 segments; 2nd to 7th with scattered short bristles marginally, occasionally on surface. Length, 3½ mm. in male, ½ mm. in female. Proportions of segments in male 13:12:40:63:23:18, and in female 14:16:22:38:16:18.

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Mouthparts. Upper Lip: Margin medially cleft, cleft margins strongly bristled. Lower Lip: Inner lobes small; both outer and inner lobes strongly bristled on end and inner margins. First Maxillae: Inner plate slightly shorter than outer, tending to conical, several short stout end teeth, most of plate strongly setose. Outer plate strongly setose marginally. Second Maxillae: Small, terminally cleft to 2 small boss-like plates, the outer marked off by a suture; both strongly setose; surface below them setose. Mandibles: Cutting edge of 2 sections; a strongly setose and spinose margin extending to base of molar process which has many long, fine teeth. Palp reaches base of 1st antennae; of 3 segments, 1st 2/7 length 2nd and ⅖ 3rd; segments cylindrical, 3rd tapering to bristled tip, many small combs of usually 3 bristles each on surface. Maxilliped: Basos and ischium with several scattered spines. Broad median inner lobe semicircular, reaching about ⅓ length of outer lobes; distal margin complexly involuted. Outer lobes, inner margin more or less straight, complexly serrate in combs of 3 or more incised teeth, combs with a single spine distally, margin terminally rounded; outer margin convex, numerous fine setae and bristles on margin and outer surface medially. Inner surface of lobe has row of 6 or so spines parallel to inner margin.

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Gnathopods. First: Basos margins somewhat convex, length 3 times median width, single short spine posterodistally. Ischium about 1/7 basos length, slightly wider than long, short spine posterodistally. Merus posterior margin twice length anterior and about ¼ basos length; 2 spines posterodistally. Carpus margins convex, widening distally, anterior margin ⅖ basos length, slightly less than twice width, almost as wide as posterior margin is long; a minute spine on each distal angle; both margins slightly serrate distally; end margin finely toothed. Propod narrower, as long as carpus, anterior margin has 3 short spines, margins especially anterior and end strongly serrate and irregularly toothed. Dactylos ½ propod length, proximal ⅔ of inner margin serrate and irregularly toothed; surface strongly scabrous. Second: Gill ovate, much longer than basos, greatest width ⅔ length. Basos length about 4 times median width, small spine posterodistally. Ischium narrower, slightly wider than long, 2 spines on posterior margin. Merus proper slightly larger than ischium, inferiorly produced in an equally long spoon-like process ½ along carpus so merus total length nearly ⅓ basos; process has about 7 stout marginal spines, 2 more on distal surface, 4 on posterior margin of merus proper. Carpus as long as complete merus, posteriorly produced a little in sharp projection; projection, end margin and posterodistal surface toothed and serrate. Propod narrower, posterior and end margins serrate and irregularly toothed; dactylos posterior margin similar. Proportions of dactylos to propod and carpus in male are 1:2:2 and in female 2:3:4.

Peraeopods. First: Like Pr. 2. Second: Basos width ⅓ length, 3 or so small spines posterodistally. Ischium ⅕ basos length, wider than long. Merus piriform, a few minute setae on margins; length twice width and nearly ⅔ basos. Carpus narrower, 1 or 2 minute setae on margins; as long as merus and slightly narrower, end margin finely toothed. Propod as long as carpus, 5 times width, posterior margin and surface with strong irregular teeth, especially distally. Dactylos