(32 August, 



The genus Corixa seems capable of being broken up into several 

 smaller genera or sections. Tbe following is an attempt to do so. 



Calltcoeixa. 



Head not wider than pronotum ; eyes touching (or nearly so) 

 posterior margin of head. Pronotum rastrate, with 8 — 10 pale lines. 

 Clavus and corium more or less rastrate. Anterior legs more or less 

 marked with black (or brown) spots. Middle tibia" black (or brown) 

 at apex. Posterior metatarsus more or less black at the apex. Palae 

 of male compresso-carinate at back. Claws of middle legs about the 

 same length as tarsi. Posterior segments of hind-body in male 

 asymmetrical to right. JSTo strigil. Body of medium size. 



C. prce7ista, Fieb. ; C. socia, D. and S. ; C. Boldi, D. and S. ; C. 

 Wollastoni, D. and S. ; C. sodalis, D. and S. ; C. cof/nata* T>. and S. ; 



C. concinna, Fieb. 



Maceocoeixa. 



Head not wider than pronotum ; eyes touching (or nearly so) 

 posterior margin of head. Pronotum smooth, with numerous (12 — 20) 

 transverse unequal pale lines ; scarcely any central keel ; sides obso- 

 letely or slightly margined. Elytra smooth, regularly irrorated with 

 black lines. Anterior tibiae in male with a distinct spur; jialseinmale 

 oblong, elongate. Posterior metatarsus broad. Posterior segments of 

 hind-body in male asymmetrical to left. Strigil conspicuous, placed 

 on left side. Body large. 



(Corisa, Sectio I, Macrocorisa, Thomson, Opusc. Ent., fasc. 1, 27). 



C. Geoffroyi, Leach. ; C. Panzeri, Fieb. ; C. ajfinls. Leach. 



COEIXA. 



Head not wider than pronotum ; eyes touching (or nearly so) 

 posterior margin of head. Pronotum rastrate, with less numerous 

 (5 — 10) transverse lines ; posterior angles clearly distinct ; shortly or 

 longly keeled. Elytra with clavus and corium, or clavus alone, rastrate. 

 Claws of middle legs shorter or longer than tarsi. Posterior segments 

 of hind-body in male asymmetrical to right. Strigil placed on right 

 side. Body of medium or small size. 



C. lugulris, Fieb. ; C. Stall, Fieb. ; C. hieroglypTiica, L.-Duf. ; C. 

 Sahlhergi, Fieb. ; C. Limim, Fieb. ; G. semistriata, Fieb. ; G. venusta, 



D. and S. ; C. Thnitata, Fieb. ; G. decora, D. and S. ; G. duhia, D. and S. ; 

 C. perplexa, D. and S. ; G. nigrolineata, Fieb. ; G. striata, L. ; G. 

 Falleni, Fieb. ; G. disfincta, Fieb. ; C. moesta, Fieb. ; G. Whitii, 



* The names 6orfa?is and C()f7/!a(tt have already been iised for species of Corixa, hwt borealis, 

 Dahl., was (,fide Douglas; only a MS. name, and cognata, Fieb. = carinala, SahlhergUeste Sahlberg'; 

 Borealis, Dahl., is given as a synonym of prceusta, Fieb,, in Puton's Catalogue. — F. B. W. 



