ISOPODA OF THE 'LIGHTNING' AND OTHEE EXPEDITIONS. 



139 



ii. aa. 



Alaotanais IcevUpinosus, n 



. sp., antennae, inner faces. 



mxp. 



55 5 5 



half of maxilliped. 



gn, 1 . 



55 55 



hand and finger of first gnathopod. 



gn 2 . 



55 55 



second gnathopod. 



prp 5 . 



15 55 



last perseopod. 



pip. 



55 5? 



pleopod. 



urp. 



55 5! 



terminal segment of pleon, and portion of 

 uropod. 



III. D. 



Strongylura arctophylax, n. sp., seen from above. 



U.S. 



55 55 



upper antenna. 



a.i. 



55 55 



lower antenna. 



gn\ 



55 55 



first gnathopod. 



gn 2 . 



5, 55 



second gnathopod. 



prp*. 



55 55 



fourth perseopod. 



pi. 



55 55 



pleon, underside. 



pi*. 



55 55 



end of pleon, viewed laterally. 



IV. D. 



Tcmaella unguicillata, n. sp., seen from above. 



L. 



55 55 



seen from the side. 



L* 



55 55 



carapace, more magnified, seen from the 

 side. 



PI. 



55 55 



underside of pleon and uropods. 



prp 1 . 



55 55 



end of first perseopod. 



prp 3 . 



55 55 



fourth perseopod. 



PLATE XXV. 



i. D, cJ . Anthelura elongata (Norman), viewed dorsally (male). 



c, <? . „ „ head of male, with antennae and first segment 



of peraeon. 

 gn l . ,, „ first gnathopod, outer side. 



gn 1 *. „ „ first gnathopod, terminal portion of the 



same, inner side. 

 gn 2 . „ „ second gnathopod. 



prp 1 . ,, „ first perseopod. 



prp*. „ „ fourth perseopod, 



prp 5 . „ „ fifth perseopod, terminal joints, 



c, L. „ „ lateral view of head, with mouth-organs and 



basal joints of antennae. 

 pi. L, d . ,, „ pleon, seen from the side. 



pi. d, d „ „ pleon, seen from above. 



