Mr. R. Shelford on the Studies of the Blatticlae. 657 



taneous, margined laterally with navo-testaceous, 7th tergite more 

 or less testaceous and bearing the scent-gland opening. Supra-anal 

 lamina trigonal. Sub-genital lamina asymmetrical, margined pos- 

 teriorly with navo-testaceous, on either side of it a lappet formed 

 by the inflexed margins of the 9th tergite, the lappets are 

 asymmetrical, the left being produced into a dentiform process 

 beset with spiniform setae, the right obliquely truncate ; right style 

 minute, left style stout, covered with long hairs and more or less 

 hidden beneath the lamina. Cerci castaneous, moderate, 9-joiuted. 

 Coxae piceous tipped and outwardly marginal with testaceous, femora 

 castaneous or testaceous in basal § and castaneous in apical third , 

 tibiae rufo-castaneous tipped with castaneous, tarsi fuscous, with 

 basal joints rufous ; femoral and tibial spines rufous. Femora 

 moderately armed, front femora armed according to Type A. 



$ . Long- winged form (aethiopica) ; tegmina and wings extending 

 beyond the apex of the abdomen ; tegmina castaneous, outwardly 

 margined with testaceous ; supra-anal lamina trigonal ; apical half 

 of the coxae, basal § of the femora, the tibiae except at extreme 

 base and apex, testaceous, remainder of legs castaneous. Medium- 

 winged form (circumcincta) ; tegmina lanceolate, castaneous to 

 rufous, together with the wings not extending beyond the 5th 

 abdominal tergite ; fore femora usually piceous, otherwise the legs 

 are coloured as in the long-winged form ; supra-anal lamina 

 occasionally faintly emarginate. Short-winged form (abyssinica) : 

 tegmina quadrate not extending beyond the 1st abdominal tergite, 

 castaneous or rufous ; wings squamiform ; the legs vary in colour 

 from that described for the medium-winged form to testaceous with 

 traces of castaneous markings at bases of coxae and femora. 



g . Total length 12-13'5 mm. ; length of body 10 mm. ; length 

 of tegmina 10"5-11*5 mm. ; pronotum 3 mm. x 4 mm. 



$ . Total length 10-13 mm. ; length of body 10-10-5 mm. ; 

 length of tegmina 3 - 4, 7, 10 mm. ; pronotum 3 mm. x 4 mm. 



Hob. Erythraea, Asmara (Oxford Mus.), Bogos (Bec- 

 cari) (Genoa Mus.); Abyssinia (Ferret and Galinier) 

 (Paris Mus., type of circumcincta), Massowa (Geneva Mus., 

 type of abyssinica) ; Shoa, Let Marefia (Beccari) (Genoa 

 Mus.); Galla Land, various localities (Bottego) (Genoa 

 Mus., Geneva Mus.); German E. Africa, Kilimandjaro, 

 Mem (Sjostedt) (Stockholm Mus.; Oxford Mus.); " W. 

 Africa" (British Mus., type of amoena); Senegal 

 (Geneva Mus., type of senegalensis) ; Portuguese Guinea, 

 Bolama (Fea) (Genoa Mus.); Sierra Leone (British Mus., 

 type of fulvipes) ; Gold Coast (Geneva Mus., type of 



