ISOPODA OP THE ' LIGHTNING- ' AND OTHEK EXPEDITIONS. 



141 



I. PI. D. 



Paranthura tenuis, G. 







Sars, pleon, from above. 



a.s. 



55 55 





upper antenna. 



a.i. 



55 55 





lower antenna. 



gri. 



»5 55 





first gnathopod. 



gri. 



11 11 





second gnathopod. 



prp 1 . 



11 5) 





first perseopod. 



prp*. 



11 11 





fourth perseopod. 



ii. h. 



Antheiura abyssorum, 



n. 



sp., side view. 



C, D. 



11 95 





head, from above. 



PI. D. 



55 55 





pleon, from above. 



PI. L. 



5* 51 





pleon, from the side. 



a.s. 



>5 55 





upper antenna. 



a.i. 



55 55 





lower antenna. 



gri. 



55 55 





first gnathopod. 



gri. 



55 55 





second gnathopod. 



prp 5 . 



5 5 5 5 





fifth perseopod. 



m. a.s. 



Cyathura carinata (Kroy 



sr), upper antennas, with last joints more highly 









magnified. 



a.i. 



55 55 





lower antennas, with last joints more highly 

 magnified. 



Ibi. 



55 55 





labium. 



m. 



55 55 





mandible and palp. 



nix 1 . 



" 





first maxilla, and termination more highly 

 magnified. 



mxp. 



5) 55 





maxillipeds. 



gri. 



55 >5 





first gnathopod. 



pi. 



55 55 





end of telson. 



vol. xii. — part iv. No. 9. — October, 1886. 



