ISOPODA OF THE 'LIGHTNING' AND OTHER EXPEDITIONS. 



135 



i. D.prp) 5 . Apseudes spinosus, M. Sars, female, last perseopod. 



pi .* „ „ lateral process of segments of pleon. 



it. d. l. Apseudes lunarifrons, n. sp., dorso-lateral view, female. 



c. „ „ front of carapace, seen from above, 



c. l. „ „ part of carapace, seen from the side, to show 



the mouth-organs. 

 gn\ „ „ first gnathopod. 



prp\ „ „ first perseopod. 



prp 3 . ,, „ third perseopod. 



ptrpK „ „ last perseopod. 



I. L. 



D. 



m. 

 a.i. 

 gn\ 



gn 1 *. 

 guy}**. 

 gn\ 

 gii 1 *. 

 prp b . 

 prp 3 . 



II. D. 



L. 



C. L. 



O.C. 



gn\ 



gn\ 

 prp 5 . 



PLATE XVIII. 



Apseudes simplicirostris, n. sp., seen from the side. 



„ „ head and perseon from above. 



„ „ palp of the mandible. 



„ scale of the lower antenna. 



M first gnathopod from the inner side. 



55 finger and thumb, more magnified. 



„ palp of the first gnathopod. 



hand and finger of second gnathopod. 

 35 palp of the second gnathopod. 



termination of last perseopod. 

 abnormal growth of a third peraeopod. 

 Apseudes obtusifrons, n. sp., seen from above. 



„ seen from the side. 



one side of the carapace seen from below, 

 the ocular process seen from above. 

 55 first gnathopod. 



„ second gnathopod. 



,, the last perseopod. 



I. L. 



c. 



a.s. 



I. 



m. 



PLATE XIX. 



Apseudes grossimanus, Norman, male, seen from the side. 



carapace seen from above, 

 peduncle of upper antenna, 

 labium, 

 mandibles, 

 first maxilla. 



s2 



