142 POMPILHLE, 



cell to about two thirds of its length ; the second discoidal cell with 

 a small subhyaline spot at its base ; the metathorax with a central 

 longitudinal black channel, and transversely finely striated. The 

 abdomen slightly shining. 



Hah. Congo. 



6. Pompilus torridus. 



Female. Length 8 lines. — Black, with the head, scape of the an- 

 tennae, the pro- and mesothorax, as well as the scutellum, obscurely 

 ferruginous ; the wings dark fuscous. An impressed line from the 

 anterior ocellus to the antennas ; the clypeus short, somewhat 

 elevated, and truncate anteriorly; the mandibles ferruginous 

 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 slightly narrowed 

 towards the marginal cell; the metathorax 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 

 antennae rather thick and tapering to a point ; obscurely fulvous 

 beneath. The hinder margin of the prothorax rounded behind; 

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

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

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



Hah. Algeria. 



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 tegulae orange-red ; the front, below the an- 

 tennas, 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 tibiae and femora ferruginous. The 



