BLATTAKTJ-:. 817 



diverfre from eacb other hiiuiward ; fore border truncated ; sides very much 

 rounded; hind border very slightly rounded. Sides of the pectus and of 

 the under side of the abdomen brown. Ceici lonpf, slout. he^s siout, 

 moderately long. Wings extending very much beyond the abdomen. 

 Fore wings brown, with whitish veins, and with a broad whitish hvaline 

 costal space which tapers towards the lip; costa much rounded. Hind 

 wings hyaline; veins pale. Length of ihe body 4 lines; of the wings 

 1] lines. 



This species has somewhat the aspect of a Phoraspis. 



a. Santarem. From Mr. Bales' collection. 



BlATTA PERLOfDES. 



Foera. Testacea, fere linearis ; caput fuscum, prothoracem longe 

 •superans, verlice pallidissime teslaceo fusco-fascialo ; oculi valde 

 extantes ; palpi testacei, clavati ; antenna: longissimcE, valde setosce ; 

 prolhurax margine antico laleribusque valde rotundatis, his late 

 diaphanis ; abdominis latera fusca ; cerci longissimi, gracillimi ; 

 alee anticte anguslce, subcoriacece, abdomen longe superantes; alee 

 posliccE diaphance, albo venosce, striga costati pallide testacea. 



Female. Testaceous, nearly linear, smooth, shining. Head brown, 

 extending much beyond the prothorax ; vertex very pale testaceous, with 

 a brown band. Eyes black, very prominent, moderately remote from each 

 other. Palpi testaceous, clavate. Antennae pale testaceous, slender, 

 thickly setose, very much longer than the body. Prothorax much longer 

 than half its breadth, with broad pellucid sides; fore border and sides 

 much rounded ; hind border slightly rounded. Abdomen brown along 

 each side above and beneath ; styles distinct. Cerci lanceolate, setose, 

 very long and slender. Legs slender. Wings extending much beyond 

 the abdomen. Fore wings narrow, slightly coriaceous, excepting the 

 covered part of the right wing, which is membranous and pale cinereous ; 

 costal veins towards the tip forked ; transverse sectors numerous, regular; 

 intermediate longitudinal veins distinct in the exterior part. Hind wings 

 pellucid ; veins white; a pale testaceous costal postmedial streak Length 

 of the body 4 lines; of the wings 10^ lines. 



The very prominent eyes distinguish this species from all the other 

 BlattcB here described, and it has some likeness to a Perla. 



a. Brazil. Presented by J. P. G. Smith, Esq. 



Blatta calogkammv. 



Foem. Pallide (e.stacea, fusiformis : caput prolhoracem paullo superans, 

 verlice fusco, linea transversa discoque autico nigris ; oculi invicem 

 remoti ; anlennce testacea, basi picece ; prothorax lateribus late 

 hyalinis, valde rotundatis, litura triramosa gullisf/ue duabus 

 elongatis discoidalibus nigris, scutello nigro testaceo-uiiigullato ; 

 pectus el venter nigro bivillata ; alee anlica; ferruginea, abdomen sat 

 superantes, villa costali diaphana, striga subcoslali obscure fusca, 

 costa valde rolundala ; alee posticce nigrce, costn ulbido hyalina. 



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