33 



5. Abdomen of female with supra-anal lamina quadrate, in- 

 cised, or entire ; hind angles of abdominal segments produced. 



VII. Panchlorid^. 



5.5. Abdomen of female with supra-anal lamina rotundate, 

 dorsal segments truncate, hind angles not produced. 



VIII. PERISPHAERIDiE. 



4.4. Wings w4th anal area not plicate. Pronotum ciliate. 



5. Supra-anal lamina of female rotundate. Extra Australian. 



(CnORYDIDiE). 



5.5. Supra-anal lamina of female quadrate, incised. 



IX. Heterogamid^. 



2.2. Claws without arolia (except the females of Heterogam- 

 idce). 



3. Supra-anal lamina of both sexes quadrate, incised. Elytra 

 flat, much exceeding the abdomen (Extra Australian). 



(BLABERIDiE). 



3.3. Supra-anal lamina of both sexes transverse, entire, rotun- 

 date. Elytral abbreviated or constricted in the middle, and 

 exceeding the abdomen. X. Panesthid^. 



SYSTEMATIC DESCRIPTIONS. 



The following works were principally consulted and availed of 

 to a considerable extent : — 



C. Brunner van Wattenwyl, Systeme des Blattaires, 1865 ; 

 Burmeister, Handhuck der Entomology, Vol. II., 1838 ; Walker, 

 British MusevAii Catalogue of Blattarics, 1868 ; and S^ipplement, 

 .1869. Also the " Zoological Record," and several minor publi- 

 cations. 



I. ECTOBID^. 



Body of male elongate, of female dilated. Penultimate joint 

 of the palpi not exceeding the last by more than one half. 

 Wings horny, or leathery, or lobelike, and leaving the scutellum 

 uncovered. Radial vein united at the base with the ulnary, and 

 either emitting branches to the sutural margin, or the veins 

 divide, and if not themselves forked, emit forked branches 

 towards the apex. Wings, when present, wdth the anal (dividing) 

 vein dichotomous at the aj^ex including a pellucid triangular 

 membrane readily folded between the branches, radiating veins 

 united by a single transverse veinlet. Legs slender, femora 

 spined. Supra-anal lamina of male very narrow, transverse. 

 Subgenital lamina of male oblong triangular, styles rarely pro- 

 vided. Last ventral segment of female ample, or produced, 

 emarginate. 



EcTOBiA, Westtvood. 



Phyllodromia, Serv. ; Fhyllodromica, Fieber; Blatfa, ttc. (Br., 

 Syst., pi., fig. 1). 



