1898.] NATURAL SCIENCES OF PHILADELPHIA. 75 



antennae slightly longer than head and thorax united ; joints of fla- 

 gellurn rounded beneath, the first two about equal in length ; punc- 

 tuation of thorax coarser than that of head, that of dorsulum coars- 

 est, that on mesopleurse closest; scutellum strongly convex ; tarsal 

 claws cleft; tibial spurs small as compared to yElurus carbonarius ; 

 abdomen depressed, with distinct separated punctures and pale pube- 

 scence; pygidium large, convex, obtusely rounded at apex, coarsely 

 rugose ; last ventral segment bearing two flap-like carina?, one on 

 each side, between which is the subgenital plate which is sub-acute 

 at apex ; wings fuscous, with purplish reflection, stigma and costa 

 reddish, other veins black. Length 21 mm. 

 One specimen. Chapada (October). 



The following species of Pepsis have been identified by Herr Dr. 

 R. Lucas, of Berlin, and were not included in the paper on Pom- 

 pilidse : 



Pepsis aspasia Luc. 



One specimen. Corumba (April). 

 Pepsis Foxi Luc. 



A large series, of both sexes. Chapada (March, April, October). 

 Pepsis smaragdinula Luc. 



Rio de Janeiro (November) ; Chapada (January, March, April). 

 Nine $ , five $ specimens. 



Pepsis Schlenki Luc. 



Five specimens. Chapada (January, March). 

 Pepsis defecta Tasch. 



Several specimens. 

 Pepsis Pertyi var. ruficornis Luc. 



Chapada (April). One specimen. 

 Pepsis centaurus Luc. 



Chapada (April). One specimen. 



