BLATTARIiE. 179 



corporis dimidio breviores ; prothorax semicirculari.i, citcuUatus, 

 anlice leslaceus el semihi/atinus, caput longe superans ; mesolhorax et 

 metalhorax laieribim di/atalis, angidis posticis longis aeutis ; pectus, 

 ventris discus et pedes fulva ; abdomen apice integrum, segmentorum 

 marginibus posticis subelongatis ; cerci brevissimi ; pedes breves, 

 robusti. 



Female. Black, elliptical, convex, dull, tliickly tubercnlated, smooth 

 and shining beneath. Head transversely impressed, testaceous about the 

 sockets of the anlennae and towards the mouth. -Eyesand palpi testaceous, 

 the former rather wide apart. Antennie a little less than half the len<ith 

 of the body. Prothorax semicircular, testaceous and semihyaline in front, 

 extending much beyond the head and forming a complete hood over it; 

 the testaceous hue paler on the under side than above ; sides beneath flat; 

 hind bolder hardly rounded in the middle. Mesothorax and metathorax 

 dilated (the former especially) on each side, extending much beyond the 

 pectus ; hind angles elongated, acute. Pectus, disk of the under side of 

 the abdomen and legs tawny. Dorsal segments of the abdomen extending 

 beyond the ventral segments ; hind angles slightly elongated and acute; 

 supra-anal lamina entire. Cerci very short. Legs short, stout; femora 

 unarmed ; tibiae with stout spines ; Hist joint of the tarsi as long as the 

 second and third together; arolia large. Length of the body II lines. 



a. Australia. Presented by H. G. Harrington, Esq. 



b. Australia. Presented by the Haslar Hospital, 



c. Australia. From Mr. Damel's collection. 



d. Australia. Presented by the Entomologigal Club. 



e — h. South Australia. Presented by R. Bakewell, Esq. 

 i. Swan River. Presented by Sir J. Richardson. 

 j Australia. 



Sect. 6. 



30. Perisph^ria lignaria. 



Mas. Ferruginea, elliplica, opaca, subfuberculata, sublus pallide 

 Jlavescens ; caput nigrum, margine antico palpisqne pallide Jlav is ; 

 oculi invicem remoii ; antennce pallide Jlavce, nigriravte fasriatce, 

 apices versus fuscescentes ; prothorax breviusculus, caput superans, 

 strigis duabus latis obliquis pallide flavescentibus semihyalinis ; meso- 

 thorax et metathorax Jlavescente nolali, angulis posticis productis ; 

 abdomen Jlavescente pallido sexvittutum, vittis quatuur exterioribus 

 guttulo.ribus, litura discoidali pallide Jlavescente, angulis posticis 

 productis, lamina supra-anali incisa ; cerci brevissimi ; pedes 

 pallide Jlaveseentcs, breves, lati, tibiarum spinis brevissimis, aroliis 

 magnis. 



Male. Ferruginous, elliptical, convex, dull, minutely tuberculate, 

 pale yellowish, smooth and shining beueatli. Head black, shining; space 

 about the fore border and palpi pale yellow. Eyes wide apart. Antennae 

 pale yellowish, with a blackish band, brownish towards the tips. Protho- 

 rax exleudiiig beyond the head, rounded in front, shorter than half its 

 breadth, with two broad obli(iue pale yellowish semihyaline streaks on the 

 fore border; three pule yellowish marks ou the hind border, which is 



