138 MESSES. NOEMAN AND STEBBING ON THE 



in. D, ? . Sphyrapus malleolus, n. sp., female, seen from above. 



pi. „ „ terminal segments of pleon, with pleopod and 



base of uropods, seen from the side. 

 gn 1 . „ ,, first gnathopod. 



gn 1 *. „ ,, first gnathopod, a malformation or repro- 



duction. 



PLATE XXIII. 



i. D. Alaotanais serratispinosus, n. sp., seen from above. 



l. „ „ carapace viewed laterally. 



mxp. „ „ maxilliped. 



aa. „ „ antennae of both pairs. 



gn 1 . „ „ first gnathopod. 



gn 1 *. „ „ finger and thumb of first gnathopod. 



gn 2 . „ „ propodos and dactylus of second gna- 



thopod. 

 prj) 4 . „ „ fourth perseopod. 



prp**. „ „ propodos and dactylus of fourth perseo- 



pod, highly magnified. 

 pip. ,, „ pleopod, seen from within. 



pip*. „ „ pleopod, from outer side. 



t. „ ,, end of pleon, underpart viewed 



obliquely. 

 ii. l. Alaotanais liastiger, n. sp., seen from the side. 



c. ,, ,, outline of carapace, from above. 



c*. „ „ portion of carapace, seen from the side, show- 



ing shape and position of the eye-process. 

 pi. „ „ pleon, viewed dorsally. 



gn 1 . „ ,, thumb and fiuger of first gnathopod. 



prp 2 . „ ,, second perseopod. 



prp h . „ „ last peraBopods, terminal joints, viewed from 



the front. 



PLATE XXIV. 



]. d. Alaotanais serratispinosus, n. sp., dorsal view. 



pi. „ „ end of pleon, from above. 



gn 1 . „ „ first gnathopod, exterior lateral view. 



ii. l. Alaotanais Icevispinosus, n. sp., side view. 



D. „ ,, viewed from above. 



