f6o STALK-EYED CRUSTACEA 



size; they have shining and pointed tubercles upon the 

 whole of the external face of the small hand and upon 

 part of the external face of the large hand. The walking 

 legs are short, strong, and unarmed. The fourth joint of 

 the external maxillipedes is truncated at its antero-internal 

 angle, and not notched. 



Range. — Guiana, Rio de Janeiro. 



7. Pilumnus miersii. 



Pihiniiuis miersii . . A. Milne Edwards. 



Resembles Piliimmis lactciis ; it is covered with a very 

 short down, with longer hair on the legs. The carapace is 

 wide, smooth, and the regions are scarcely indicated. The 

 front is a little advanced and ornamented anteriorly with 

 granulations. The orbits are unarmed above ; their inferior 

 border bristles with pointed granulations. The antero- 

 lateral border has five spines, counting the orbital angle. 

 The two first are very small and pointed, the three others 

 are well developed ; there are some subhepatic tubercles 

 between the second and the third of these spines. 



The legs of the first pair are of unequal size ; the 

 largest is very swollen and has, above, perliform tubercles, 

 which are absent from the external face of the hand ; the 

 smallest is spiny above and on the outside. The walking 

 legs have no spines. 



Range. — West Indies. 



8. Pilumnus gemmatus. 



Pilunimis gonmatus . . Stimpson, Miers, A. Milne 



Edwards. 



Carapace areolated, and with scattered granules or 

 small tubercles, from three to six, on each areola ; the 



