APPENDIX. 285 



lines of the elytra are convex, whilst those of micans are 

 nearly flat. 



CISTELA, Fabr. Latr. 



1. C. hinoiata. Blackish, sericeous; elytra with a hu- 

 meral rufous spot. 



Inhabits North-west Territory. 



Body black, polished; in a pailicular light sericeous 

 both above and beneath with small hairs, which do not, 

 however, at all conceal the punctures; head punctured; 

 palpi and three basal joints of the «?^/e?^;^a9 rufous-yellow; 

 thorax with equal large dense punctures; very slightly 

 contracted behind, rounded before; posterior angles not 

 prominent; an abbreviated longitudinal impressed line at 

 base, on each side of which is an obsolete dilated impres- 

 sed lunate space; elytra densely punctured, and with punc- 

 tured striae; humeral gibbosity rufous; feet dull rufous, 

 sericeous. 



Length nearly three-tenths of an inch. 



2. C. sericea. Pale testaceous, sericeous ; striae of the 

 elytra obsolete. 



Inhabits United States. 



C. sericea, Knoch in Melsh. Catal. 



Head minutely punctured, transverse impressed line be- 

 fore the antennae very obvious ; thorax semioval, a little 

 truncate before and not undulated behind; posterior angles 

 rectangular; e/yifrajhardly perceptible, darker towards the 

 tip, rather lighter at bas^ striae obsolete, excepting two 

 next the suture which are oistinct; ivlngs a little dusky, 

 particularly towards the tip ;ye^j^some what paler than the 

 body. \ 



Length one-fourth of an inch. 

 Vol. II. 37 



X 



