BLATTAKI/E. 37 



Periplaneta margin a lis. 

 Iigata, C. D. i. 150. 



flavicincta, C. B. 131. 

 Blatla badia, C. B. 87. 



Periplaneta S0R0R. 



Periplaneta orientalis. 



Periplaneta affinis. 

 affinis, Sauss. Mini. Soc. Pliys. Gen. xx. 261. 

 Hindustan. 



Periplaneta emittens. 



Mas. Nigra; antenna ferruyinece ; prothorax annulo strigisque duabus 

 longitudinalibus luteis; pectus luleum ; venter fulvus ; pedes fulvi, 

 tibiis tarsisque piceis ; alee anlic<e picece, postice ferruginece, abdomen 

 longe superantes, striga subcostali lutea tanceolatu subcostali. 



Male. Black, shining. Head about the mouth and pectus luteous. 

 Antennas ferruginous. Prothorax widening and nearly straight on each 

 side from the fore border to near the hind border, where the sides are 

 rounded; hind border slightly rounded; a luteous ringlet including the 

 disk, near and parallel to the borders, broadest along the hind border, 

 where it emits a lanceolate branch towards a similar branch on its fore 

 side, the rudiments of a stripe. Abdomen beneath; coxae and femora 

 tawny; tibia? and tarsi piceous. Fore wings piceous, extending much 

 beyond the abdomen, broadly ferruginous along the inner border, with a 

 subcostal luteous lanceolate .streak extending along one-6fth of the length 

 from the base. Length of the body 11 — 11^ lines; expansion of the fore 

 wings 27 — 28 lines. 



More slender than P. inclusa, to which it has some resemblance. 



a. St. Helena. Presented by J. C. Mellis, Esq. 



Periplaneta monochroma. 

 Mas. Teslacea, fusiformis ; caput piceo uninotalum ; prothorax litura 

 disvali tscutiformi ; pedes graciles, setulosi ; alee abdomen longe 

 superantes ; ala? postica diaphance. 



Male. Testaceous, slender, fusiform, smooth, shining. Head with a 

 piceous mark between the sockets of the antennae. Eyes black, remote. 

 Antenua? slender, longer than the body. Prothorax a little broader than 

 long; fore border much rounded; sides slightly rounded; hind border 

 straight; fore part of the scutcheon on the disk rounded, much broader 

 than the hind pari, which has two straight sides converging towards the 

 straight hind border. Legs slender, beset with short stiff hairs. Wing* 



