27 t MANDIBULATA. COLEOPTERA. 



Also very ahiinclant tliroiigliout the south of England. " Ely." 

 Rev. L. Jenyns. " Epping." — ilfr. Douhlcday. 



b. With the legs pale. 



Sp. 15. rustica. Nlgro-fusca aid virescenti-cenea, antennis ano pedihusque 



riifis, elytris crevato-striatis, apice rotundatis. (Long. corp. 3 — 4 lin.) 

 Do. rustica. Schlrppel.^Steph. Caial. 208. No. 2110. 



Male fuscons-black : female greenish-Z)raw / both sexes -with the antennce rufous : 

 mouth also rufous : thorax rather broad, finely punctulated, the anterior angle 

 rounded, the disc ■with a dorsal furrow, and a fovea on each side : elytra punc- 

 tate-striate, with the interstices transversely rugose : apex of abdomen and 

 legs rufous ; posterior femora with an acute tooth, stoutest and longest in the 

 male. 



Not very common, but found in various parts of England, in the 

 neighbourhood of London, Whittlesea-mere, Devonshire, near 

 Bristol, &c. " Battersea-fields." — Mr. Ingpen. " Cambridge." — 

 Mr. G. Waterhouse. " Weston." — Rev. A. H. Matthews. 



Sp. 16. nigra. Antennis ano pedibusque riijis, capite atro-wneo, thorace carule- 

 scente subcordato, elytris atro-ceneis, punctato-striatis, interstitiis transversim 

 rugosis, femoribus posticis obtuse dentatis. (Long. corp. 5 — 6 lin.) 



Do. nigra. Fabricius.—Steph. Catal. 208. No. 2111. 



Head brassy-Z»/acA; .• thorax suhcordate, bronzed blue, with the anterior angles 

 slightly prominent ; the disc with a dorsal channel, becoming obsolete in 

 front, and terminating in a fovea behind: elytra rather deeply punctate- 

 striated, the interstices a little raised and rather deeply wrinkled transversely, 

 the apex of each rounded, brassy-black, or a little tinted with bluish on the 

 lateral margins : legs rather long, rufous : antennse also rufous, as well as the 

 apex of the abdomen, and the margins of each segment. 



Also moderately common : found occasionally in the marshes 

 about Woolwich and Battersea, Fulham, &c. " Southend." — Rev. 

 F. W. Hope. " Near Cambridge," — C. Darzoin, Esq. " Epping." 

 —Mr. BouUeday. " Whittlesea."— I?6'tJ. A. H. Matthews. 



B. With the posterior femora simple. 



Sp. 17. Menyanthidis. Elongata, supra viridi-cenea nitida, subtus argenteo- 

 sericea, antennis extrorsum pedihusque rufo-ferrugineis, elytris crenato-striatis, 

 interstitiis transversim, rugosis. (Long. corp. 5 — 6| lin.) 



Do. Menyanthidis. Fabricius.—Steph. Catal. 208. No. 2112.— Le. simplex. 

 Martyn, C.pl.28.f. 25. 



Elongate, slightly depressed ; above of a slmiing'hrassy-green, beneath clothed 

 with a silvery down: head finely punctured, with a deep frontal channel: 

 thorax with a deep impression on the middle of each side, an obsolete dorsal 



