108 



Female. 

 Length of body ... ... ... 14 -15 mm. 



Length of pronotum ... ... 3-5-4 " 



Width of pronotum ... ... 6 " 



Habitat. — Northern Territory of South Australia. S.A. 

 Museum, presented by the Hon. Dr. S. J. Magarey. 



Periplaneta scabriuscula, spec. nov. 

 Resembling P. glabra. Deep piceous to black, shining. Head 

 black ; antennae, labrum, and palpi reddish. Pronotum smooth. 

 Meso- and meta-notum slightly scabrous, with minute acute 

 tubercles. Elytra lobiform in both sexes. Legs red, con- 

 colorous ; tibiae long ; tarsi pale beneath. Supra-anal lamina of 

 male sulbangular, deeply grooved in the middle ; hindmargin 

 concave, of female much compressed, emarginate. Cerci rather 

 long, deep black, acute, extreme tip red. Subgenital lamina of 

 male quadrilateral, angular, hindmargin concave ; styles long, 

 slender, black, apex red. 



Male. Female. 



Length of body ... 12-14 mm. 16 -18 mm. 



Length of pronotum .. . 4- 4*5 " 5-6 " 



AVidth of prototum... 7- 1'b " 7*5- 8-5 " 



Habitat. — Belair (Mount Lofty Range), Port Vincent (Y.P.), 

 Kangaroo Island (larvae only) : South Australia. S.A. Museum. 

 Some thirteen specimens were compared from the above 

 localities. They were taken in June, living by day under loose 

 bark of Eucalyptus-trees near the ground. 



Periplaneta provisionalis, spec, noi: 

 Resembling the last. Brownish-red, scabrous, shining. Lobes 

 of elytra very narrow. Abdomen brown below. Supra-anal 

 lamina short, deeply and roundly emarginate. Cerci rather 

 short. Valvules black. 



Female. 



Length of body 12 mm. 



Length of pronotum ... ... ... 4 " 



Width of pronotum ... ... ... 6 " 



Habitat. — Mount Bryan East. S.A. Museum, presented by 

 Mr. T. Best. 



Deropeltis, Burm. 

 Handb. II., 486 ; Br., System, 24fcO ; Blatta, Serv. 

 ''Male w-inged, female wingless. Head partly free above; 

 antennae thick, longer than the body. Elytra and wings of male 

 doubly exceeding the abdomen, narrowed in the middle, apex 

 acuminate. Femora very slender, spines very short, first joint 

 of tarsi exceeding the following joints. Abdomen of male oblong; 



