ISOPODA OF THE 'LIGHTNING' AND OTHER EXPEDITIONS. 



135 



I. D.^rp'. Apseudes spinosus, M. Sars, female, last peraeopod. 



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. 

 gv}. „ „ first gnathopod. 



prp^. „ „ first peraeopod. 



prpP. „ „ thii'd peraeopod. 



prp^. „ „ last peraeopod. 



m 



a.i 



gn' 



gn}* 



gn'** 



gn' 



gn'* 



prp^ 



prp^ 



II. D. 



L 



C. L, 



O.C 



gn' 



gn' 



prp 



PLATE XVIII. 



Apseudes simplicirostris, 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 peraeopod. 



„ „ abnormal growth of a third perEeopod. 

 Apseudes ohtusifrons, 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. 



,, „ second gnathopod. 



„ „ the last peraeopod. 



I. L. 



C. 



a.s. 



I. 



m. 



PLATE XIX. 



grossimanus, Norman, male, seen from the side, 

 carapace seen from above, 

 peduncle of upper antenna, 

 labium, 

 mandibles, 

 first maxilla. 



x2 



