246 Mr. Frederick Smith on 



their bases and apical margins narrowly dark fuscous ; 

 the nervures ferruginous^ black at the extreme base 

 of the anterior wings ; the metathorax iinpunctate^ and 

 with an impressed line above, in the middle. 



Hab. South Australia. 



In the British Museum. 



3. PriooienMS Polydorus. 



Female. Length 11 lines. Black: the wings fuscous, 

 fasciated with yellow. Head rather narrower than the 

 thorax ; the face below the insertion of the antennae covered 

 with griseous pile, above the antennae with short fuscous 

 pubescence, the vertex not pilose ; the cheeks with a 

 thin, long, griseous pubescence ; the antennae with a fine 

 fuscous pile. Thorax : oblong, the sides parallel, the 

 posterior margin of the prothorax rounded ; opaque, 

 the sides beneath, as well as the legs, with a shin- 

 ing griseous pile, intermixed with fine long griseous 

 pubescence ; the metathorax truncate ; above, with a 

 central impressed line, the truncation transversely finely 

 rugose ; wings dark fuscous, the anterior pair with a 

 broad yellow fascia, extending from the base to the apex 

 of the marginal cell, and narrowing posteriorly. Abdo- 

 men smooth and shining, the apical segment opaque 

 and punctured ; the basal segment with a patch of sil- 

 very-white hair on its margin laterally, sometimes also on 

 the second segment. 



Hab. Australia (Moreton Bay?). 



In the British Museum. 



4. Priocnemis ephippiata. 



Female. Length 8 lines. Black, with the meso- 

 thorax and scutellum red. Head : the flagellum orange- 

 yellow ; ths tips of the mandibles ferruginous ; the 

 clypeus and face, as high as the insertion of the antennae, 

 with a thin silvery-white pile. Thorax : the meso- 

 thorax, scutellum, and post-scutellum, blood-red ; the 

 wings fuscous ; the spines at the apex of the tibiae pale 

 testaceous. Abdomen shining, the apical margins of the 

 segments narrowly fringed with silvery-white pubes- 

 cence. The insect has a silvery pile beneath. 



Hab. Adelaide. 



In the British Museum, 



