Ill' rOMI'ILlD.K. 



cell to iihoiit two thirds of its Icii^tli ; the second discoidiil cell with 

 ft small suliliyaline spot at its base ; the mctathorax with a central 

 loni^itudiiial black chaiiucl, and transversely finely striated. The 

 abdomen sli;j;htly shining. 



Ilah. ('onp^o. 



tJ. Pompiliis torridiis. 



Female. Length > lines. — Elack, with the head, scape of the an- 

 tenna", the pro- and mesothorax, as well as the scutollum, obscurely 

 ferru,2;inous ; the win{i;s dark fuscous. An impressed line from the 

 anterior ocellus to the antenna) ; the clypeus short, somewhat 

 elevated, and truncate anteriorly ; the mandibles ferrufi,inous 

 towards their base. The anterior legs dark ferruginous ; the in- 

 termediate and posterior pairs obscurely so beneath ; the third sub- 

 marginal cell quite as long as the second, and slightlj' narrowed 

 towards the marginal cell ; the mctathorax with a central lon- 

 gitudinal channel, and finely striated transversely. Abdomen 

 slightly shining, the apical segment covered with light grey pile.* 



Hah. Algeria. 



7. Pompilus fasciatus. 



Male. Length 3| lines. — Black, with the second segment of the 

 abdomen ferruginous ; impunctate. Head truncate behind ; the 

 antenna) rather thick and tapering to a point ; obscurely fulvous 

 beneath. The hinder margin of the prothorax rounded behind ; 

 the mctathorax short, truncate, with a central channel above, that 

 tenninates at the verge of the truncation ; wings hyaline, the ner- 

 vures fuscous. Abdomen slightly shining, the apex pale testaceous. 



Hah. Algeria. 



8. Pompilus frontalis. 



Male. Length 5 lines. — Black, smooth, and slightly shining ; the 

 orbits of the eyes, the prothorax above, a spot on the disk of the 

 mesothorax, and the teguloo orange-red ; the front, below the an- 

 tennse, with silvery pile. The metathorax truncate, the verge of 

 the truncation with silvery pile ; wings fuscous. The basal mar- 

 gins of the second, third, and fourth segments of the abdomen with 

 obscure narrow bands of silvery pile. 



Hah. Lake Nyassa. 



9. Pompilus candidus. 



Female. Length 5 lines. — Black ; the head and thorax covered with 

 silvery pubescent pile, which is dense on the face and margins of 

 the prothorax ; the posterior tibia; and femora ferruginous. The 



