102 



"beneath hirsute, Subgenital lamina of male entire, rounded, 

 laterally fringed with fine hairs ; styles very short, thick, black, 

 inner side fringed, almost apical. 



Male. 

 Length of body ... ... ... ... 22 mm 



Length of elytra ... ... ... 9 " 



Length of pronotum ... ... ... 5 " 



Width of pronotum ... ... ... 9 " 



Habitat. — Oodnadatta, Central Australia. S.A. Museum. 

 An officer in the Government employ — Mr. F. Juncken, who 

 has occasionally presented specimens — mentioned in one of his 

 letters that cockroaches proved rather annoying. At my request 

 for specimens, a single male was kindly and obligingly sent, which 

 proved, as I had surmised, to be so different in details that I feel 

 justified in assigning specific rank to it. The species is specially 

 remarkable for the peculiar form of the genital parts, the shape 

 of the elytra, and the lamina-like compressed tarsi, which are 

 very long and closely pectinated beneath to the base of tlie 

 claws. 



Periplaneta concixna, Hagenbach. 

 Bijdrag, 1842 ; Br., Syst., 228. 



" Brownish-chestnut ; shining. Elytra shorter than abdomen 

 in both sexes, acuminate. 



Length of body 

 Length of elytra ... 

 Length of pronotum 

 Width of pronotum 

 Habitat. — Australia, Java." 



Periplaneta rotuxdata, Brunner (Syst., 230). 

 "Brownish-black, shining. Face spotted with testaceous. 

 Elytra of feoiale corneous, as long as pronotum is wide, rounded. 



Female. 

 Length of body... ... ... ... 24 mm. 



Length of elytra 10 " 



Length of pronotum ... ... ... 8-5 " 



W^idth of i^ronotum ... ... ... 10 " 



Habitat. — Fiji Islands." 



B. Wings perfect ; as long as, or longer than, abdome}!. 

 a. Pronotum of two colours. 



Periplaxeta Americaxa, Linne. 

 Syst. Nat., 687 ; Br., Syst., fig. 24. 



Ferruginous. Head black above — pale, with reddish blotches,- 

 below the antenna? ; latter much longer than the body, j^ale 



