ISOPODA OP THE ' LIGHTNING- ' AND OTHER EXPEDITIONS. 



137 



i. prp 



II. L. 



a.a. 

 gn\ 

 gn\ 

 prp 5 . 

 urp. 



Apseudes uncidigitatus, n. sp., fifth peraeopod. 

 Sphyrapus anomalus (G. O. Sars), viewed laterally. 



„ „ carapace from above, and end of rostrum, 



more highly magnified, 

 upper and lower antennae, 

 first gnathopod. 

 second gnathopod. 

 last peraeopod. 

 uropods. 



PLATE XXII. 



I. D. Sphyrapus tudes, n. sp., dorsal view. 

 l. „ ,, lateral view. 



a.a. 





99 



S3 



upper and lower antennae, with eye-processes, seen 

 from below. 



m. 





59 



33 



mandible. 



mx. 





99 



33 



maxilla. 



mxp. 





19 



33 



maxilliped. 



gn\ 





99 



3) 



first gnathopod. 



gn\ 





„ 



33 



second gnathopod. 



prp 1 . 





5? 



33 



first peraeopod. 



prp 2 . 





33 



33 



second peraeopod. 



prp 3 . 





55 



„ 



third peraeopod. 



prp 3 *. 





33 



35 



third peraeopod, hand, and dactylus, more highly 

 magnified. 



prp*. 





35 



33 



fourth peraeopod. 



prp**. 





" 



35 



fourth peraeopod, hand, and dactylus, more highly 

 magnified. 



prp 5 . 





33 



55 



last peraeopod. 



pip 6 *. 





" 



" 



last peraeopod, hand, and dactylus, more highly 

 magnified. 



ur. 





,, 



35 



telson and uropods from below. 



. D. L, d . 



Sphyrapus 



malleolus, 



n. sp., male, seen obliquely from above. 



a.a. 





93 



55 



antennae, seen from below. 



m. 





35 



53 



mandible. 



gn\ 





„ 



33 



first gnathopod. 



gn\ 





33 



33 



second gnathopod. 



prp x , prp' 



J 





33 



first, second, third, and last perseopods. 



prp 3 , prp 5 . 









