yr PG DE ee 
Urocopia singularis G. O. Sars. 11 
Explanation of the Plate. 
Adult female, dorsal view. 
Same, viewed from left side. 
Anterior antenna. 
Posterior antenna. 
Oral area, viewed ventrally, and exhibiting the several parts composin 
it in their natural position. I labrum; m maxilla with its palp (p); mp' 
anterior maxilliped; mp? posterior maxilliped. 
Labrum isolated. 
Maxilla with its palp (p): 
. Same; extremity of the masticatory part, more highly magnified. 
Anterior maxilliped. 
Posterior maxilliped. 
Leg of 1st pair. 
Leg of 2nd pair. 
Inner ramus of a leg of 3rd pair. 
Leg of 4th pair. 
Lateral part of last trunk-segment, with the rudiment of the correspond- 
ing last pair of legs. 
Left caudal ramus, viewed dorsally. 
