ISOPODS OF NORTH AMERICA. 



93 



The legs are slender, with the second article somewhat elongate; 

 the first pair of legs arc manifestly stouter than the second pair of 

 legs; the second and third pairs of legs have tlie fourth article pro- 

 duced on the exterior side to the middle of the tifth article; the tifth 

 and seventh pairs of legs are subequal; the second pair are somewhat 

 longer and the sixth pair a little shorter. 



The anterior segments of the abdomen and tlie plcopoda are almost 

 as in C. parva. The last segment of the abdomen is somewhat wider 



Fig. 74.— Cirolana minuta (After Hansen), n, Posterior part of abdomen. 6, Anterior part 



OF HEAD (from BELOW). C, LEFT PLEOPOD OF SECOND PAIR, d, ADULT MALE, f, LATERAL VIEW OF 



SAME. /, Second leg. g. Fifth leg. h. Seventh leg. i, Maxilliped. J, Mandible, k, First 

 MAXILLA. I, Second maxilla. (Enlarged.) 



than long, extends a very little beyond the uropoda, is a little linguate 

 and evenly convex, with the posterior margin widely rounded and 

 furnished with about eight spines. 



The uropoda are short and wide. The inner branch is more than 

 one-half longer than wide; the posterior part of the inner margin is 

 strongly curved, and furnished with plumose cilia and a few^ spines; 

 the apex forms a right angle, is bitid, and furnished with a few 

 long simple hairs; the exterior margin is somewhat curved. The 



