CRIOCERIDiE. — DONACIA. 273 



truncate: legs elongate, dusky : femora shining, punctured, the posterior luith 

 an obsolete tooth towards the apex. 

 Variable in colour; being sometimes greenish, or shining coppery, or dusky- 

 brass. 



Rare ; found occasionally within the metropolitan district, and in 

 Suffolk and the New Forest. " On rushes, Kensington-gardens."" 

 — Mr. G. Waterhouse. 



Sp. 13. Proteus. Supra metallica, suhtus anreo-villosa, thorace quadrato, punc~ 

 tato, rugoso, elytris ovatis nitidulis, punctato-striatis, dorso depressiusculis, 

 impressis, apice rotundatis, antennis pedibusque validis, breviusculis, (Long. 

 Corp. of — 4i lin.) 



Do. Proteus. Kunzs.—Steph. Catal. 208. No. 2108. — Do. Nymphaeae. Samou- 

 elle, pL 2. f. 27. \ar. 



Above of a metallic hue, beneath clothed with a golden pile : thorax quadrate, 

 punctate, rugose, with the lateral margins tumid anteriorly, the anterior 

 angles prominent : elytra ovate, shining, punctate-striate, the back a little 

 depressed and impressed, the apex of each rounded: antennae and legs rather 

 stout and short. 



Extremely variable in tint, every possible shade of colour varying from intense 

 black to blue-black, blue, greenish-blue, green, greenish-brass, brassy, brassy- 

 copper, copper, purplish-copper, bright red-copper, with all possible inter- 

 mediate tints : the legs and antennae generally partaking of the colours of the 

 body, though the apex of the femora is generally black. 



Very abundant on aquatic plants throughout the metropolitan 

 district and other parts of England. " Meldon-park, Prestwick 

 Car, kc."—G. Wailes, Esq. " Gamlingay." — Rev. L. Jenyns. 

 « Durdar."— r. C. Hey sham, Esq. « York, Darlington, &c."— 

 W. C. Hewitson, Esq. " Epping." — Mr. Doubleday. " Whim, 

 Peebleshire."— i?et>. W. Little. " Weston."— i?gt;. A. H. Mat- 

 thews. 



Sp. 14. micans. Supra m.etallica, subtus villosa, thorace elongata, punctulato, 

 sericeo, elytris oblongis, convexis, punctato-striatis, dorso subimpressis, apice 

 declivi rotundatis, antennis pedibusque gracilibus, elongatis. (Long. corp. 3g — 

 4i lin.) 



Do. micans. Ahrens.—Steph. Catal. 208. No. 2109. 



Above metallic, beneath with cinereous or golden pile : thorax elongate, cylin- 

 dric, punctulated, sericeous, with the anterior angles prominent : elytra oblong, 

 convex, punctate-striate, glossy, the bach a little depressed, the apex of each 

 rounded : antennae and legs rather slender, elongate. 



Almost as variable in colour as the preceding species ; from which it chiefly 

 differs in the form of its thorax and more convex elytra, longer legs, &c. 



t2 



