CHRYSOMELIDjE. — PHiEDON. 333 



Less common than the last ; found in similar situations. " In 

 Crwmlyn-bog, not uncommon."—!,. W. Dillwi/n, Esq. 



B. With the antennae thickened towards the end, elongate, 

 a. Elytra striated. 1. Body hemispheric. 



Sp. 3. Betulse. Breviter-ovata, violacea nitidissima, subtus nigra, elytris sub- 



tilissime punctato-striatis, huvieris gibbis. (Long. corp. l^lin.) 

 Ch. Betulffi. LinnL—Steph. Catal. 220. No. 2262. 



Short, ovate, very glossy violet, or brilliant blue, occasionally greenish : head and 

 thorax thickly covered with minute punctures, placed without order, and 

 nearly contiguous: elytra distinctly, but not very deeply punctate-sifrw^e, the 

 interstices impunctate : body beneath, legs, and antennae entirely black. 



Abundant in Battersea-fields, and in other places within the 

 metropolitan district. " Weston.""— Rev. A. H. Matthezvs. "Mel- 

 don-park, Newcastle, &c."— 6=. Wailes, Esq. " Raehills."— i?gy. 

 W. Little. " Not uncommon, near Swansea." — L. W. Dillwyn, 

 Esq. " New Walk, York."— IF. C. Hewitson, Esq. " Cardew- 

 mire."—T. C. Heysham, Esq, " Epping."— ikfr. Douhleday. 



Sp. 4. Cochleariae. Breviter, subovata, casrulea, nitida, subtus obscurior, elytris 

 subtilissime punctato-striatis, humeris gibbis, ana testaceo. (Long. corp. lilin.) 

 Ch. Cochleariee. Fabricius — Steph. Catal. 220. No. 2263. 



Short, subovate, shining blue or greenish above, dull blue beneath : thorax finely 

 and thickly punctulate, without a lateral impression : elytra very convex, 

 finely punctate-s^r/afe, with the interstices obsoletely punctulate, in the middle 

 of the base an impressed fovea, and exterior to it an elevated callous : body 

 beneath with the margin of the apex testaceous : antennae and legs black, the 

 latter with a bluish-gloss. 



Less abundant than the last, but found throughout the metro- 

 politan district. " Cambridge."— i?et^. L. Jenyns. " Not uncommon 

 (near Swansea)." — L. W. Dillwyn, Esq. " New Walk, York and 

 Newcastle." — W. C. Hewitson, Esq. 



Sp. 5. gomphoceros. Ovata, subtus nigra, supra atro-cwrulea, thorace obsolete 

 punctato, elytris punctato-striatis, interstitiis subpunctatis, antennis aptce in- 

 crassatis. (Long. corp. If lin.) 



Ch. gomphoceros. Leach MSS.—Steph. Catal. 221. No. 2264. 



Ovate, black ; above deep shining blue : thorax obsoletely punctate, somewhat 

 obscure : elytra glossy, ^micidXQ-striate, with the interstices a little punctured, 

 the base with a small callous, anterior to which is an elongate fovea: legs and 

 antenna; black, the latter distinctly thickened at the apex. 



