94 



on each side near foremargin, hindangles hardly elongated. Legs 

 red, rather stout, coxae bordered with yellow. Abdomen tuber- 

 culate above, laterally with ochraceous spots. Supra-anal lamina 

 slightly emarginate. Cerci lanceolate, slender, apex red. Styles 

 distinct. Female larger than male. 



Length of body (male and female) 15-23 mm. 



Habitat. — Australia. " 



Probably belonging to Periplaneta. 



The descrii^tions of this and following species of Walker are 

 abbreviated, and the details re-arranged. 



Platyzosteria ferruginea. Walker (ibid, 158). 



'" Ferruginous, convex, elliptical,extremely minutely punctured, 

 red beneath. Pronotum nearly semicircular, with some large 

 marginal punctures, and an oblique yellow streak on each side 

 anteriorly. Meso- and meta-notum thinly and largely punctured, 

 the former with a testaceous dot on each side near foreborder ; 

 latter testaceous laterally, hindangles slightly produced. Legs 

 red, posterior coxte bordered black and pale yellow. Abdomen 

 slightly tuberculate, lateral margins dark-reddish. Supra-anal 

 lamina emarginate. Cerci lanceolate, moderately long. Styles 

 distinct. 



Length of body (male) ... ... ... 20 mm. 



Habitat. — Australia. 



Platyzosteria zoxata. Walker (ibid, 159). 



" Piceous, elongate-oval, convex, very thickly and finely 

 punctured. Pronotum with a luteous border, widest opposite the 

 hindangles. Meso- and meta-notum with hindmargin luteous, 

 widest laterally, hindangles not produced. Legs stout, cox?e 

 bordered yellow. Abdomen wider than thorax, roughly 

 punctured. Supra-anal lamina truncate, angles acute. Cerci 

 stout, wholly red, or only at the apex. Styles rather long. 

 Length of body (female) ... ... 18-23 mm. 



Habitat. — Port Essington, North Australia. 



Platyzosteria polyzona, Walker (ibid, 159). 



Piceous, broad-oval, convex, smooth, shining. Head tawny, 

 with a piceous spot on the face ; antennae tawny at the base. 

 Pronotum with a narrow ochraceous border, and a few punctures. 

 Meso- and meta-notum, also abdominal segments, ochraceous 

 bordered laterally and behind. Abdomen piceous beneath at the 

 a,pex. Supra-anal lamina of female entire (?). Cerci, short, 

 broad, lanceolate. 



Length of body (female) ... ... 27-29 mm. 



Habitat. — Western Australia. 



