JOURNAi OF ENTOMOLOGY AND ZOOLOGY 183 



second subequal iu length ; second slightly shorter and has sharp 

 projection on proximal inner angle. Fourth and fifth long and 

 narrower; fifth, one and a third times longer than fourth. 

 Flagellum composed of two short articles, a third equal to one 

 and two, and a fourth short and conical. Antennae profusely 

 covered with spines. Extend scarcely to end of first thoracic 

 segment. 



Thoracic segments subequal : first slightly longer than those 

 succeeding. Sutures of epimera distinct on all but first segment 

 where epimera are indicated by a thickened margin. Epimera 

 produced posteriorly and rounded. Legs ambulatory, all similar, 

 very thickly spined. First leg has segments broader than those 

 of following legs; first segment has a triang-ular process on 

 exterior distal margin. 



Abdomen composed of six segments. First two have lateral 

 margins covered by seventh thoracic segment. Third broad, 

 articulating with epimera of seventh thoracic segment on lateral 

 margin, fourth rounded on lateral margin, slightly produced 

 posteriorly as also the fifth which, however, is shorter and nar- 

 rower. Sixth is truncate, short and broad. XJropoda have 

 become opercular valves and have a short setose terminal joint. 



Janira occidentalis Walker 



(Fig. 7) 



Locality— Large kelp holdfast from deep water, at Laguna 

 Beach, Cal. 



Color— \Yhite tinged with green and orange, finely spotted 



with brown ; legs wliite. 



Body about three times longer than wide, 6 mm. by 2 mm. 

 Oblong, depressed along lateral margins. Slightly convexed on 

 median line. 



Head twice as wide as long, anterior margin not straight but 

 produced into a slight median lobe ; antero-lateral angles marked. 

 Eyes large, round, composite and subdorsal in position. First 

 antenna has first article of peduncle large, broad and long. 

 Second and third subequal and much narrower than first. Fla- 



