282 EUPODA. — criocerid^;. 



tish ; brown brass ; beneath ashy ; thorax roughly punctured, with an 

 obscure channel ; elytra punctate- striate, with 4 irregular impressions on 

 the disc, mostly with a short purple streak at the base, and a longer one 

 on the outer margin ; legs greenish black, hinder thighs slightly toothed. 

 (L. 4-5 1. ) Marshy places ; London district ; Burwell Fen, Cambridge ; 

 Duddingston Loch, Scotland : 6. 



2202 dentipes Fab. E. ii. 127. — Ste. M. iv. 270. — Do. vittata Hoppe,42. 

 f. 3. — Flattish ; with a yellowish pile beneath ; thorax brassy ; thickly 

 wrinkled transversely ; elytra with a depression at the base, which last is 

 thickly punctured, the disc punctate- striate, glossy silken-green, with a 

 broad coppery-scarlet stripe ; legs brassy ; hinder thighs with a longish 

 tooth in £ . ( L. 4-5 1. ) Aquatic plants ; local : in Copenhagen and 

 Battersea fields ; Salisbury; Covehithe, Suffolk; Cambridge and Cum- 

 berland : 6. 



2203 Sagittaria? Fab. E. ii. 128. — Ste. M. iv. 271. — Do. aurea Hoppe, 

 43. f. 5. — Flattish ; silken green ; beneath with a golden pile : thorax 

 4-drate, roughly punctured ; elytra with several depressions on the disc, 

 the latter punctate-striate, base irregularly punctured, apex narrowed and 

 truncate. (L. 4^-5^ 1. ) Aquatic plants : London district ; Bottisham ; 

 River Foss, Yorkshire ; Prestwick Fen, Northumberland : 6. 



2204 brevicornis Kunze, E. F. 16. — Ste. M. iv. 271. — Above dull-brass, 

 beneath with a golden down : antenna? short, black ; thorax somewhat 

 4-drate, roughly punctured ; elytra flattish, with 4 slight depressions, 

 punctate-striate from base to apex, the last truncate ; legs longish, hinder 

 thighs with an acute tooth. (L. 4-5 1.) Aquatic plants: Bristol: 6. 



2205 obscura Gyll. iii. 654 Ste. M. iv. 272. — Flattish ; brassy-brown, 



opaque ; beneath with a golden down ; thorax somewhat 4-drate, flat, 

 roughly punctured, with a faint channel in front ; elytra with 4 deepish 

 fovea?, the base within irregularly punctate, the rest of the disc regularly 

 punctate-striate, apex truncate ; legs longish, hinder thighs with an acute 

 tooth. (L. 3 1.) Water lily: Windsor and Bristol : 6. 



2206 thalassina Ger mar. —Kunze, E. F. 18. — Ste. M. iv. 272. — Flattish ; 

 golden-green or coppery, opaque ; beneath with a golden down ; thorax 

 rather convex, narrowed behind, deeply punctate, and with a dorsal 

 channel ; elytra with obscure basal depressions, deeply punctate-striate at 

 the base, and faintly at the apex, the latter somewhat obliquely truncate ; 

 legs long, hinder thighs with an acute tooth. (L. 4^ 1.) Aquatic plants : 

 Bristol : 6. 



2207 impressa Gyll. iii. 656 Ste. M. iv. 272. — Flattish ; shining-brass, 



reddish-copper, greenish or dusky ; beneath with a golden down ; thorax 

 somewhat 4-drate, flattish, very much punctured, and with a faint dorsal 

 furrow ; elytra rather convex, with 4 impressions on the disc, regularly 

 punctate-striate, interstices transversely wrinkled, apex slightly truncate ; 

 legs longish, dusky; hinder thighs with an obsolete tooth. (L. 4 1.) Rushes: 

 Kensington Gardens; in Suffolk and New Forest: 6. 



2208 Proteus Kunze, E. F. 23. — Ste. M. iv. 273. — Do. discolor Pz. F. 

 xxx. f 2. — f. 3 var. — Do, Nymphacse Samou. pi. 2. f. 27. var. — Above 

 metallic, of every possible tint, from an intense black, through blue, green, 

 bright copper to red, beneath with a golden pile ; thorax 4-drate, punctate- 

 rugose ; elytra ovate, shining, punctate-striate, flattish on the back and 

 impressed, the apex raised ; legs and antenna? short, stoutish, the tip of the 

 thighs usually black. (L. 3^-4^1.) On aquatic plants: generally dis- 

 tributed: 5-6. 



2209 micans Ahrens. — Kunze, E. F. 25. — Ste. M. iv. 273 Do. zenea 



Hoppe, 44. f. 6. — Above metallic, brassy, greenish, &c. ; beneath with an 



