BLATTARIiC. 151 



Periplaneta Okba. 

 Orba, Stal, Ofv. K. V. Ak. Fork. 1856, 167. Wait. Blatt. 240. 

 Natal. 



Pekiplaneta pice a. 

 picea, Walt. Blatt. 224. 

 Isle of Sambelong. 



Periplaneta ehombifolia, C. B. 130. 

 decoiala, Watt. Blatt. 224. 



Periplaneta obnata. 



ornata, Watt. Blatt. 235. 



Hindostan. 



Periplaneta rotundata. 



rotundata, Watt. Blatt. 231. 



Fiji Isles. 



Periplaneta aterrima. 



Mas. Atra, fusiformis, nitens, subtilissime punctata ; caput parce 

 punctatum, prothoracem perpaullo superans ; oculi invieem remoti : 

 prothorax longiusculus,foveolis nonnuUis indeterminatis ; abdomen 

 apice incisum, segmentorum angulis posticis productis acutis ; pedes 

 subtus fimbriali,femonbus posticis supra spina apicali armalis; aim 

 anticce cnrnecB, apices versus coriacece, abdomen paullo superantes ; 

 ala posticce coriacea. 



Male. Deep black, fusiform, shining, very thickly and minutely 

 punctured. Head thinly punctured, extending very little beyond the pro- 

 thorax ; sockets of the anleunae whitish. Eyes piceous, wide apart. Pro- 

 thorax much longer than half its breadth, with some shallow excavations 

 in the disk; fore border truncated, about one-fourth of ihe length of the 

 hind border; sides rounded; hind border straight. Hind angles of the 

 abdominal segments elongated, acute ; supra-anal lamina and subanal 

 lamina notched, the former fringed with tawny hairs ; styles long, slender. 

 Cerci lanceolate, long, stout. Legs long, robust ; femora and tibiae fringed 

 beneath with short hairs ; femora armed with long stout spines ; hind 

 femora with a stout apical spine above. Wings extending a little beyoud 

 the abdomen. Fore wings corneous, coriaceous towards the tips. Hind 

 wings coriaceous. Leugth of the body 18 lines; of the wings 34 lines. 



Peru. In Mr. Saunders' collection. 



