!-i 



154 I'o.Ml'lUD.K. 



Four or live of tlio npiciil joints of tlio HagcUum fuscous; the 

 anterior margin of tho clypous rounded ; a black stripe runnin 

 from each antenna up to the ocelli. 1'lie anterior wings -with a 

 fuscous cloud at tho lower margin of the second sul)marginal 

 cell, the apical margins fuscous at the tip : the posterior wings 

 have a pale fuscous apical border ; one or two of the apical joints 

 of tho tarsi of the intermediate and ])ostonor logs fuscous. The 

 apical margins of the segments of tlie abdomen narrowly black, also 

 the extreme base of the abdomen black ; the fasciie on the second, 

 third, and fourth segments produced into an angular shape in the 

 middle. 



Hah. Peru. 



45. Pompilus inauratus. 



Female. Length G| lines. — Black, with thin cinereous pile on the 

 legs and abdomen ; the head and thorax adorned with bright pale 

 golden pilose spots. The face with a pale golden spot on each 

 side above the antcnnse ; the anterior margin of the clypous 

 silvery ; behind the eyes pale golden. The pro thorax golden 

 anteriorly, its hinder margin broadly yellowish white ; the meso- 

 thorax with the posterior margin golden before the scutellum, 

 the apex of the latter, and a band between the posterior wings en- 

 closing the postscutellum, and also the motathorax laterally, golden ; 

 an oblique golden spot beneath the wings, which are dark fuscous. 



Hal). Cordova (Argentine Confederation). 



46. Pompilus representaus. 



Female. Length 7-9 lines. — Black, with dark brown wings, the 

 abdomen with large ferruginoiis spots. The front of the head 

 below the anteunaj with short white pubescence : down the middle 

 of the clypens it is fuscous ; the anterior margin of the clypeus 

 emarginate. The bind margin of the prothorax angular; the 

 metathorax rounded, and witb a central longitudinal channel ; the 

 third submarginal cell nearly as long as the second, and greatly 

 narrowed towards the marginal. The fii'st, second, and third seg- 

 ments of the abdomen with a large ferruginous macula at their 

 basal margins, lunate, and more than half the width of the seg- 

 ments ; two smaller spots on the fourth segment ; the spots on the 

 basal segment united. 



-b"- 



Ilah. Uruguay. 



This species has the appearance of being a gigantic race of Pom- 

 inlus ftiscus of Europe, with black wings. 



47. Pompilus unicolor. 

 Female. Length 5^ lines. — Black, smooth, and slightly shining, 



