652 ViNNiE Ream Stout, 



tlie 20 — 32-jointed flagellum longer tlian the peduiicle; accessory 

 flagellum of 10 joints. Antenna 2, peduncle elongate, ultimate and 

 penultimate joints subequal, longer than the antepenultimate; pe- 

 duncle longer than the 10-jointed flagellum. Upper lip broad, api- 

 cally rounded. Lower lip with both inner and outer plates well 

 developed, mandibular processes prominent. Mandible, molar pro- 

 minent, with usual seta; cutting plates dentate; nine spines in 

 spine-row; palp very large, the second and third joints elongate, 

 third longest and armed with numerous Compound setae. Maxiila 1, 

 inner plate short, broad, triangulär, tipped with one long plumose 

 seta reaching to the apex of the outer plate, outer plate with ten 

 spines ; palp large, two-jointed, longer than outer plate, tipped with 

 setae and eight spines. Maxilla 2, outer plate the longer, apically 

 fringed; inner plate fringed apically and along inner margin. Maxilli- 

 peds with inner plates fringed apically and on inner edge with 

 plumose setae; outer plate not quite reaching distal end of second 

 Joint of palp, and armed with numerous short spines; palp not elongate, 

 the fourth Joint small. 



Gnathopod 1 of the female, fifth Joint large; sixth with palm 

 setose, oblique, with spine at apex; finger strong, curved, serrate. 

 Gnathopod 1 large, strong, the second Joint thick; the fourth produced 

 to a point; the fifth large, broad, cup-shaped; the sixth longer and 

 broader, palm transverse with setae and small spines, abrupt, deep 

 notch between middle and hinder margin of palm, bounded by a 

 tooth not as long as the rest of the palm; finger long. Gnathopod 2 

 of the female smaller than 1, but in proportion longer and more 

 slender, more setose. Gnathopod 2 of the male small, slender, very 

 setose; fourth Joint produced to a point in front; fifth Joint as wide 

 but not as long as sixth, palm slightly convex, slightly oblique; 

 finger serrate. Pereiopods slender, no joints expanded, finger long. 

 Pereiopods 1 and 2 with the fourth Joint strongly setose in the 

 male. Pereiopod 5 greatly elongate. Ui'opods 1 — 3 extended about 

 equally far back. Uropod 1 with nearly equal rami. Uropod 2 with 

 the inner ramus the longer and thicker. Uropod 3 biramous, rami 

 subequal, slender, longer than the peduncle. Telson simple, short, 

 the broad apex slightly concave with a tiny tooth and setae on 

 either side. 



Body ringed with dark brown and white ; antennae ringed with 

 reddish violet and white; the females carrying bright blue eggs. 



L. 5—7 mm. 



