I. Cyclops thomasi, n. s. (PI. ix Figs. 10, u and 16.) 

 Elongate, slender, broadest in front and tapering backward, antenna: 17-jointed, 

 reaching the middle of the third segment. 



abdomen, and each bears two short rows of transverse spinules outside, one at the 

 anterior the other at the posterior third. With the latter a spine occurs about as long 

 as the outer terminal seta. The inner seta at the tip of the ramus is about half the 

 length of the furca, the outer still shorter. The inner median seta is as long as the 



:s externally and two set* within. The inner 

 which is only half as long as the other. 



the outer ramus of the first pair of legs, and from C. bisetosits Rehberg., by 

 ture of the outer rami of the other legs. 



It shares with Diap.'omus .-/V/.V'.- the re-pon-ibility oi affording to the yoi 



2. Cyclops insectus, sp. nov. (PI. ix Fig. 6.) 



cond cephalothoracic segment widest. The abdominal segments are all bort 

 spinules posteriorly. The two median caudal seta? are much more nearly e 



The legs are armed nearly as in thomasi, but the last joint of the outer 

 the first pair has two spines 'externally besides the one at the lip, and tin 



