I04 



of the elytra terminates in two teeth or spines ; the inner one short and 

 dentiform, the outer one long and spiniform ; legs and anal portion of the 

 abdomen yellow, the former with all their articulations dusky at the 

 extremity. 



The sculpture of the elMra in this species much resembles that of 

 another a(]uatic genus lla/iplus, Lai. 



[223.] 300. l)i>NA< i.\ iTMoRAF.is Khby. Length of body 3^4 

 lines. Taken in Nova Scotia by Dr. MacCullo<:h. 



J*ody bron/ed, gilded, with a greenish lint, \ery minutely and thickly 

 punctured, not • onspicuously hairy underneath. Frontal channel slight ; 

 antennae. e.\ce[)t the scape which is bron/ed, and mouth rufous ; prothorax 

 with an imi)ression abo\e the scutellum ; anterior tubercles more than 

 usually prominent ; scutellum rather large ; elytra with single slight 

 anterior imjiression adjoining the suture ; legs rufous, but the thighs, 

 which are much incrassated, e\cei>t the base and summit, are grecn- 

 l)ronzed ; i)osterior thigh without any tooth ; abdomen as in the preceding 

 species. 



I'his species seems nearly related to Donacia pusilla Say. 



301. 1)(.*NA( i.v 1 i.AViPi s Kirby. — Length of body 4 lines. A single 

 s))ecimen taken in Lat. 65'. 



Hody bronzed-copper with a golden lustre ; <'Iothed below with very 

 hort, somewhat silvery, decumbent hairs, the metallic splendor of the 

 body being visible through them. Head thickly, minutely, and con- 

 tinently punctured or wrinkled, channelled l)etMeen the eyes ; antennae 

 testaceous, longer than the prothorax ; prothorax sulxiuadrangular, longer 

 than usual in the genus, widely channelled, very minutely, thickly, and 

 confluently punctured and wrinkled ; anterior tubercles large and not 

 prominent ; elytra with two impressions adjoining the suture, elevated at 

 the base ; legs testaceous. 



[Taken in Ontario and at Lake Superior]. 



302 Dox.uiA AFMNis A'/Vi^j. - Length of body 3^4 lines. Taken 

 by Dr. MacCuUoch in Nova Scotia. 



Body minutely punctured, copper-coloured brilliant with the splendor 

 of gold ; underneath very slightly hairy, Head channelled between the 

 eye.s ; antennae and mouth testaceous ; prothorax widest anteriorly, chan- 

 nelled, punctured but not thickly, lateral anterior tubercles levigated ; 

 scutellum small ; elytra with a single impression, not far from the base, 



