56 JOURNAL OF ENTOMOLOGY AND ZOOLOGY 



shape and structure, being stout and covered with many short blunt 

 tubercles and a few scattered hairs; palm narrow, concave and 

 armed with two serrate teeth at the base; finger short and stout. 

 Length of specimen, 12 mm. Color a light brown to flesh color. 

 One male specimen collected from among the seaweed of the 

 inner tide pools at Laguna Beach in July, 1914. 



Caprella uu'ifonna n. sp. 



The peraeon of the female (Plate I, Fig. 3) is smooth; cephalon 

 furnished with a slight prominence in front ciirected horizontally. 

 First segment short, about half as long as the second, third, fourth 

 and fifth, which are of nearly equal length; sixth and seventh much 

 shorter, about a third as long as the fifth, the seventh being the 

 shorter of the two. Superior antennae about half as long as the first 

 two body segments ; first joint as long as cephalon and twice as broad 

 as the second joint, which is nearly twice as long as the first; third 

 joint not as thick as the second and one-third as long. Flagellum 

 equal in length to the peduncle and composed of eleven segments. 

 Inferior antennae but slightly shorter than the superior, furnished 

 with many plumose hairs. Eyes large and round. First gnathopod 

 (Fig. 4) attached anterior to the base of the maxillipeds, large but 

 slightly smaller than the second gnathopod; palm narrow, inner 

 margin finely denticulate, armed with many scattered hairs and four 

 blunt teeth at the base; claw broad and armed with many fine teeth 

 along the inner margin. Second gnathopod (Fig. 5) but slightly 

 larger than the first; basal joint long, longer than the palm; palm 

 narrow, armeci with a few hairs and two blunt teeth near the margin, 

 the longer on the margin, anci the shorter posterior to it; finger nar- 

 row and short. Branchia ovate. Third, fourth and fifth peraepods 

 (Fig. 3), similar in structure anci increasing in size respectively, the 

 fifth being nearly a third longer than the third; hand narrow, armed 

 with two serrate teeth at the base and a few hairs; claw short and 

 sharp. 



Length 14 mm. 



Color, a .light brownish green. The male specimens taken were 

 quite similar to the female, including the shape of body segments 

 and gnathopods. 



