ISOPODA OP THE 'LIGHTNING' AND OTHER EXPEDITIONS. 



135 



I. D.prj}\ Apseudes spinosus, M. Sars, female, last perseopod. 



PI.*. „ ,, lateral process of segments of pleon. 



II. 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. 

 g'n}. „ „ first gnathopod. 



prp\ „ „ first perseopod. 



prp^. „ „ third perseopod. 



prp^. „ „ last pereeopod. 



D. 



m. 

 a.i. 



gn\ 



I** 



PLATE XVIII. 



I. L. Apseudes simpUdrostris, n. sp., seen from the side. 



„ ,, head and peraeon from above. 



„ ,, palp of the mandible. 



„ „ ■ scale of the lower antenna. 



„ „ first gnathopod from the inner side. 



„ „ finger and thumb, more magnified. 



,, „ palp of the first gnathopod. 



„ „ hand and finger of second gnathopod. 



,, „ palp of the second gnathopod. 



„ „ termination of last perseopod. 



„ „ abnormal growth of a third perseopod. 

 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. 



„ „ first gnathopod. 



grf. ,, „ second gnathopod. 



prii^. ,, ,, - the last perseopod. 



gu: 



2* 



gn 



gn 

 prp^. 

 prp^. 

 ir. B. 



L. 

 C. L. 



o.c. 

 gn\ 



PLATE XIX. 



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



c. ,, „ carapace seen from above. 



a.s. „ „ peduncle of upper antenna. 



I. „ „ labium. 



m. „ „ mandibles. 



mw^. „ „ first maxilla. 



x2 



