2 t 



on the third maxilhpeds. The present collection includes numerous specimens of a new species 

 which show the no less remarkable fact that this character is peculiar to the female sex. 

 The adult males have large exopods on these limbs. On re-examining the type specimens of 

 P. brachyura^ I find that the young males possess a developing exopod which is not visible 

 without dissection and was therefore overlooked in the original account of the species. 



I. Paradiastylis longipes n. sp. (Text-fig. 4, a — ?'.). 



Description of adult Female. Total length 3,0 mm. (Text-fig. 4«). 



Fig. 4. Fiiradiasty/is /oiigipcs n. sp. 



(7. Adult female, from the side. /'. Adult male, from the side. c. Third maxilliped of female. ;/. Third raaxilliped of male. 



e. First leg of female, f. First leg of male. g. Second leg of male. /;. Fourth leg of male. /. Last somite, Telson and Uropod of male. 



