100 



3.3. Body more or less flat, broadly or elongate oval. 



4. Cerci as long, slightly longer or shorter than the lamina. 



a. Elytra none. Integument rigid. 



b. Legs short, stout. Polyzosteria, Burm, 

 hh. Legs long, slender. AnamtHia, gen. nov- 

 aa. Elytra lobiform or more rarely absent. Integument softer. 



c. Black or brown, bordered or banded pale, convex. 



Platyzosterla, Brunner. 

 cc. Pale, bordered or banded dark, flat. 



Lej^tozo-sferia, gen. nov. 



4.4. Cerci much longer than lamina. Elytra and wings pre 

 sent, rarely absent. Periplanata, Bunn. 



KXEPHASIA MEDILIXEA, SJJeC. IIOV. 



Dusky-ochreous to pale-yellowish, with very numerous, minute, 

 dark tubercles obscuring the ground colour. Head pale yellowish 

 or tawny, with numerous black dots ; antenna? and palpi very 

 slender, long, pale yellowish, the former finely ciliate. Pronotum 

 reddish tawny, lateral margins narrowly yellow, interiorly bor- 

 dered by an ill-defined dusky stripe, a black median line from near 

 the hindmargin extending to segment seven, gradually widening 

 hindward. Meso- and meta-notum with hindangles slightly pro- 

 duced. Legs and underside pale-yellowish, with numerous black 

 dots, margins of pectus broadly black. Abdomen short, broad in 

 the female, pale at the base, hindmargins dusky, on each side of 

 the dark median line an ill-defined, interrupted, paler stripe ; 

 angles increasingly produced to seventh segment, acute, a black, 

 triangular spot on both penultimate ventral segments. Supra- 

 anal lamina of both sexes concolorous (except the dark tubercles). 

 Cerci of male longer than the lamina ; of female shorter, black, 

 apex yellow. Styles of male slender, much longer than the 

 lamina. 



Length of body... 



Length of pronotum 



Length of abdomen 



With of pronotum 



Width of abdomen 

 Habitat — Sedan, South Australia (F 

 Lillimur, N.-W. Victoria (A. 

 Territory of S.A. (Hon. Dr. S. J. Magarey). S.A. Museum. 



All the specimens are remarkably uniform, except that the 

 male is much paler and brighter in colour, notwithstanding the 

 wide distribution of the species. 



Periplaneta, Biirmeistei\ 

 Handb. IL, 502 ; Br., Syst., 221. 

 " Body oblong, flat above. Pronotum semiorbicular, anteriorly, 



