208 CONNEtTICUT GEOL. AND NAT. HIST. SURVEY. [BuU. 



segments of the flagellum which decrease in size distally. Second 

 anlcnn.'c comijosed of about ten joints, more slender than the first 

 pair which they surpass, in length; first two segments broader 

 than the succeeding three, which are larger than the five joints of 

 the flagellum. 



Fig. 62. Aigathoa oculata. 



First thoracic segment shorter than head but longer than 

 segments two to six which are subequal in length; seventh seg- 

 ment one-third shorter than the sixth; fifth and sixth joints the 

 broadest. Coxal plates distinct on all the segments except the first 

 and as long as their respective segments. Legs differing but 

 slightly from each other ; first pair the shortest ; last four pairs 

 weaker than the preceding; seventh pair the longest. 



Abdomen a little longer than thorax, becoming slightly 

 narrower posteriorly. Telson as broad at insertion of uropods 

 as third segment, and rounded behind. Uropods longer than 

 telson; outer ramus narrow, longer than inner one, with nearly 

 parallel sides and obliquely truncated tip; inner ramus rhom- 

 boidal ; peduncle with inner distal angle acute and only slightly 

 produced; uropods and telson setose on posterior margins. 



Color in alcohol, yellowish with minute black specks which are 

 most abundant on the abdomen. Eyes black, conspicuous. 



Length 13 mm. 



