CORIXID^E. 613 



Linnean Society's 'Transactions,' it is impossible to distinguish 

 on account of the insufficiency of the description, now that the 

 number of known species, many of them extremely alike, is so much 

 increased. 



Genus 2. CYMATIA, Flor. 



\ 

 In general character like Corixa, but different in the following 



respects. 



Head, including the eyes, considerably wider than the pronotum ; 

 Crown horizontal, longer than the pronotum, the raised middle with 

 a longitudinal depression on each side of it ; Face lying beneath the 

 crown at an acute angle, in the $ concave, in the $ flat. Rostrum ; 

 lalrum smooth. Eyes ; the posterior margin not reaching the base 

 of the head. 



Thorax. Pronotum>*&ndi Elytra smooth, the former uuicolorous, 

 without transverse lines. Legs ; 1st pair, tibiae ird the length of 

 the tarsi ; tarsi (pala?) in the ensiform, in the $ aculeate, out- 

 wardly rounded, towards the base a little thinner, sides subparallel, 

 the base of the same thickness as the apex of the tibia3, the junction 

 scarcely visible ; the cilia on the underside very long, in 2 rows ; 

 3rd pair, tarsi; 1st joint scarcely more than twice as long as 

 the 2nd. 



Species 1. CYMATIA BONSDORFFII. 



COKIXA BONSDOEEFII, Sahib. Not. Fen. 13, G (1819). 



BOKSDOBTFII, Fall. Hem. Suec. i, 184, 6 (1829) ; H.Schf. Wanz. 



ix, 53, figs. 916 & 917 (1850). 

 CORISA (CYMATIA) BONSDOJUTII, Flor, Khyn. Liv. i, 801, 2 (I860). 



BOKSDOBFI, Fieb. Europ. Hem. 90, 2 (1861). 



Above brown. Pronotum twice as broad as long, with a short, lon- 

 gitudinal keel in front, extending to or a little beyond the 

 middle. Elytra with narrow, irregular, transverse, very pale 

 brownish-yellow lines. Membrane developed. 



Head yellow or reddish-yellow ; Crown ; hinder margin narrowly 

 pitchy black j the longitudinal depression on each side of the raised 



