Shelford, Descriptions of some new genera and species of Blatiidae. 615 



domen , in some specimens with a few scattered fuscous points ; 

 radial vein bifurcate, 10 — 11 costals, 5 oblique discoidal sectors, 

 posterior ulnar simple. Wings hyaline , costal margin faintly 

 suffused with castaneous , mediastinal vein bifurcate , 7 costals, 

 the last 2 ramose, the first 4 clavate, ulnar vein ramose, triang- 

 ular apical area minute. Supra -anal lamina shortly trigonal, 

 sub-genital lamina exceeding it, apex slightly produced, excised, 

 a pair of short blunt styles , their apices minutely denticulate 

 dorsally. Cerci long , slender , fuscous beneath. Front femora 

 completely armed on the anterior margin beneath , the distal 

 spines the shorter. 



Total length 14 mm; length of body 11 mm; length of 

 tegmina 12 mm; pronotum 3,5x4 mm. 



Brazil, Rio Grande do Sul. 



Two examples in the Oxford University Museum labelled by 

 B runner '' Pliyllodromia sp. n.". 



Ph y II dr omia maculiventris sp. n. 



cf . Testaceous. Frons obscurely marked with castaneous dots 

 and lines. Pronotum transversely elliptical , margins broadly 

 hyaline, disc with symmetrical liturate markings. Tegmina barely 

 exceeding the apex of the abdomen , testaceo-hyaline , the veins 

 rufescent ; about 10 costals , many ramose, radial simple, 5 dis- 

 coidal sectors, posterior ulnar simple, numerous transverse venules 

 which are fuscescent. Wings faintly suffused with flavo-testaceous, 

 9 costals, the first 6 strongly clavate, ulnar 4-ramose. Abdomen 

 above blotched with castaneous , the last 3 tergites constricted, 

 supra-anal lamina short, transverse. Abdomen beneath testaceous 

 with a large piceous macula on sternites 1 — 6, sub-genital lamina 

 large, produced, considerably exceeding the supra-anal plate , its 

 apex slightly emarginate, styles slender, situated in deep notches 

 on either side of the apex, some stiff, erect hairs at their points 

 of insertion. Cerci rather short , flattened , outwardly curved. 

 Front femora with a complete row of spines on the anterior 

 margin beneath. 



$. Similar ; supra-anal lamina with the apex emarginate, 

 sub-genital lamina semi-orbicular, ample. 



Total length (cf) 17,5 mm, (?) 15,5 mm; length of body 

 {(f) 17 mm, (?) 13 mm ; length of tegmina (cf) 14 mm, (?) 12,9 mm; 

 pronotum 3 x 4,2 mm. 



Bolivia, Mapiri ; Peru, Callanga. 



Readily distinguished by the heavily marked abdomen. 



