656 ViNNIE ReAM StOUT, 



Telson small, triangulär, entire, with a Single seta on either side. 



Color, sordid medium and ligiit brown. 



L. 3—4 mm. 



Ratlier frequent in kelp holdfast from deep water. Laguna 

 Beach, Calif. 



Gruhia indentata n, sp, 



Body rather slender, curved. Eyes of medium size, placed later- 

 ally between tlie antennae. Side-plates of moderate depth; the 

 fifth as deep as the fourth; the fourth not excavate behind; the first 

 broad; the sixth and seventh shallow. Pleon segments not coaelsced. 

 Antenna 1, the first Joint of the peduncle broadest and longest, the 

 third Short; peduncle shorter than the flagellum; flagellum 20 — 22- 

 jointed; accessory flagellum very small, 1-jointed, and triangulär in 

 shape. Antenna 2, peduncle elongate, the ultimate and penultiraate 

 joints subequal, the latter slightly longer; flagellum 17— 22-jointed. 

 Upper lip, distally rounded, median line evident. Lower lip with 

 inner plates well developed, mandibular processes prominent. Man- 

 dible cutting plates dentate; four spines in spine-row; molar large; 

 palp 3-jointed, slender, the second Joint with one seta, the third 

 Joint with six long setae on apex. Inner plate small and but 

 slightly armed: outer plate with toothed spines at apex; palp longer 

 than the outer plate, the second Joint broad, elongate, with apical 

 spines. Maxilla 2, both plates fringed apically, the inner thickly 

 and the outer somewhat fringed on the inner margin. Maxillipeds, 

 inner plates very small, with plumose setae on apex and inner margin ; 

 outer plates rather large, armed with spines; palp short, stout, the 

 fourth Joint small. 



Gnathopod 1 of the malesmall, long; the second Joint somewhat 

 produced, curved, distal process in front; the fifth Joint as wide and 

 nearly as long as the sixth ; palm oblique, setose, with defining spine ; 

 finger large. Gnathopod 1 of the female similar to the male, though 

 with the sixth Joint longer. Gnathopod 2 of the male much larger 

 than 1; second Joint long, not produced; the fifth Joint much shorter 

 and not so wide as sixth; sixth broad, thick, palm somewhat setose, 

 with longitudinal slit varying from less than to more than one-half 

 the length of the band; finger strong. Gnathopod 2 of the female 

 but slightly larger than 1; the second Joint produced somewhat 

 more, in proportion, than the male; fifth Joint as wide but not as long 

 as the sixth with a triangulär setose process behind; sixth Joint 



