72 



B. W. Ktmkel, 



form ; terminal uropods quite short, uniramous, with ramus shorter 

 than peduncle and bearing several spines on apex, peduncle extend- 

 ing beyond telson. 



Telson thick, very deeply cleft, broader than long. 



There were present in the collection only a few males having a 

 length of about 15 mm. 



The species has been previously recorded from the North Atlantic, 

 the North Sea, and the Mediterranean. 



Hyale trifoliadens sp. nov. 



Eyes small, compound, deeply pigmented in alcoholic specimens. 



First antennae with peduncle half as long as flagellum ; lirst joint 

 slightly longer than second, stout, scarcely twice as long as broad ; 

 third joint short and slender, very similar to first joint of flagellum 

 which is made up of about 9 segments. Second antennae much 



Fig. 27. Hyale trifoliadens sp. nov. 



longer than first, scarcely V2 as long as body; peduncle nearly as 

 long as entire first antennae ; first and second joints short and broad 

 with gland cone slender ; third joint not as long as broad ; fourth 

 joint twice as long as broad and shorter than fifth which is more 

 slender; flagellum made up of al)out 15 segments ]:)rovided with 

 setae on distal margins. 



Mandibles strong ; palp wanting ; princi]:)al cutting edge divided 

 into 3 teeth ; secondary cutting edge with 2 processes, much smaller 

 than principal ; spine row with a munber of short plumose spines ; 

 molar tubercle .large, furnished with a plumose seta. 



