74 



marginal spots of the ventral segments dark green and coppery 

 iridescent. Antennae, j)alpi, narrow margins and the concave 

 hindborder of the dorsal segments dirty yellowish. Body above 

 finely rugalose, near median line with low, irregular, oblique 

 ridge ; median line indistinct. Last ventral segment and sub- 

 genital valvules transversely wrinkled, deep brown. Supra-anal 

 lamina arched, scarcely incised. 



Female. 

 Length of body ... ... ... ... 42 mm. 



Length of pronotum ... ... ... 12 " 



Width of pronotum ... ... ... 27 " 



Width of abdomen 28 " 



Habitat. — Gawler Range, South Australia (A7idrews, Jan., 

 1884, in S.A. Museum). 



The characters chiefly relied on are the great width of the 

 body, the distinctive texture of the dorsal integument, and the 

 narrow, highly d-rched supra-anal lamina. 



PoLYZOSTERiA MACULATA, Bvuniier (Syst., 206). 



" Elongate elliptical, much depressed, bronzy. Pronotum about 

 the middle of disk golden tinted. ]\Teso- and meta-notum spotted 

 with gold on the foremargins. Coxae pale yellow, streaked with 

 purplish bronze. Femora, tibiae, and tarsi with bronzy purple 

 rings. Abdomen of male narrow, of female ovate, ventral seg- 

 ments pale yellow in the disk. Subgenital lamina of male pale 

 yellow. 



Male. 



Length of body ... ... 40 mm. 



Length of pronotum ... 12'5 " 



Width of pronotum ... 21 " 



Habitat. — Western Australia." 



Female. 

 38 mm. 

 12 " 

 19 " 



POLYZOSTERIA iENEA, Buvm. 



Handbk., IL, 483; Br., Syst., 207. 



" Elongate elliptical, greenish bronze. Thoracic segments 

 beneath blackish bronze. Legs reddish brown, spines yellow, 

 apex red. Abdomen with dorsal segments shining at the base, 

 ventral with the hindmargin pale yellow. Subgenital lamina of 

 male bronze coloured. 



Holland 



