Cumacea 



first, second, and third, with the carapace and of one with an- 

 other among themselves, each limb of the first pair having its 



Antenna i 



Antenna 2, peduncle 



Carapace 



Antenna 2, flageUum 

 Pleopod 1 



Pleon segmeiat 5- 



Telsonic segment - '^ 



Exopod 

 of uropod 



Uropod peduncle 



Fig. 1. 

 Bodotria arenosa (after G. 0. Sars). 



Endopod of uropod 



exopod or swimming-branch, an appendage which may or may 

 not recur on any or all of the three following pairs but is never 

 found on the fifth pair; 3) a flexible pleon of six or seven mo- 



