28 II XTIIREDINID-i:. 



black, second testaceous, bordered behind with black. Undersurface 

 rather darker. Wings hyaline, with a slight yellowish tinge ; costa, 

 stigma, and nervures yellowish brown ; costa very strongly arched, 

 as in most species of this section, the first three submarginal cells 

 are small, and the last very large. 



Hah. "West Australia. 



a. 3 . (Type of species.) Swan River. Purchased. 



b. <3 . Swan Kiver. Dr. Bacon. 



38. Perga brullei. 

 Perga brullei, Westw. I'. '/.. .V 1880, p. 364, pi. xxxiv. tig. 6. 

 Hub. South Australia ; Queensland. 

 a. d. Moreton I lav. Mr. Diggles. 



39. Perga dahlbomii. 



Perga dahlbomii, Westw. J'. '/.. S. L880, p. .".71, pi. xxxv. tigs. :{, 4. 



Hah. Wot Australia. 



n. S . Australia. :ha» '1. 



/', r. 2- Swan River. M . I>u Boulay. 



d. 2 • Swan River. 1 >r. Bacon. 



e. d. 



S I i"ii iii. 

 An/, mi ' 7-jointed, "it/t a gradually-formed club. 



40. Perga amenaida. 

 (Plate II. fig. 1".) 



Exp. al. !» lin., long. coip. 5 lin. 



Head and thorax black above, sparingly punctured; face, cheeks, 

 two spots on the vertex, two at the base of the antenna?, and two be- 

 tween these and the eyes yellowish ; mandibles tipped with black ; 

 antenna? reddish. Thorax with a slight depression on each side and 

 a groove in front, between a yellowish V-spot ; the back of the 

 scapula?, the Bides of the thorax, and the -cinellum are also yellow. 

 Legs and the centre of the pectus testaceous ; the rest of the under- 

 surface of the body whitish. Abdomen steel-bine, with a slight 

 greenish shade. Scutellum deeply cleft, and almost divided in two ; 

 hind femora dilated. Wings hyaline, with yellow nervures and 

 costa ; the costal half of the fore wings yellowish. 



Hah. South Australia. 

 a. cS . (Type of species.) Adelaide. Purchased. 



