DEMOTISPA. 67 



twice as broad as long ; sides moderately dilated, narrowly mar- 

 gined, rounded, nmcli narrowed in front, anterior angles obtuse, 

 posterior acute ; apical margin concavely excavated ; above mode- 

 rately convex, sides broadly excavated, concave, outer margin 

 slightly thickened, reflexed ; disc ■with a small fovea on either 

 side the central line ; smooth, impunctate, sides with a few 

 distinct pimctures. Scutellum smooth, shining black. Elytra 

 deep shining metallic blue, scarcely broader than the thorax ; sides 

 subparallel, slightly rounded, moderately dilated, more especially 

 in front ; apex regularly rounded, minutely serrulate ; above sub- 

 convex, slightly flattened along the back, sides sinuate below the 

 shoulders, dilated margin somewhat deflexed, its outer border re- 

 cm-ved ; each elytron with eleven rows of distinct punctures, the 

 first abbreviated. Beneath black ; head, thorax and legs yellow. 



Hah. Petropolis, Brazil. Collected by J. Gray, Esq., and in that 

 gentleman's cabinet. 



4. Demotispa pulchella, n. sp. Tab. VI, Fig. 1. 



D. ovata, subdeprcssa, siipra nigra, nitida ; antennarum articulis 

 basalibus piceis ; thoracis lateribus elytrlsque rufo-fulvis, his 

 limbo late nigro ; subtus tota fulva. 



Var. A, Supra tota nigra. 

 Long. 2 Kn, 



D. ovate, subdepressed, shining black above ; sides of the thorax 

 and the elytra bright rufo-fulvous, the latter wdth the lateral and 

 apical margins black. Head finely but ii-regularly punctured, 

 vertex impressed with a small fovea ; three or foiu* basal joints 

 of antennae pitchy, first joint fulvous beneath. Thorax transverse, 

 twice as, broad as long ; sides broadly margined, romided, nar- 

 rowed in front, produced beyond the apical margin, anterior 

 angles obtuse, posterior subacute ; apical border nearly straight, 

 armed on either side close to the anterior angles with a small sub- 

 acute tooth ; disc slightlj' convex, smooth and shining, nearly im- 

 punctate, sides coarsely punctiu'ed, lateral border concave, its outer 

 edge reflexed ; basal margin also narrowly recurved ; black, side 

 margin bright fulvous. Scutellum smooth, bright rufo-fulvons. 

 Elytra broadly ovate, wdder than the thorax ; sides rounded, di- 

 lated, more especially m front ; apex regularly rounded, minutely 

 serrulate, conjointly emarginate at the sutiu'e ; above sKghtly 

 convex, flattened along the back, sides sinuate below the shoulders, 

 outer border concave, slightly reflexed ; each elytron wdth eleven 

 rows of distinct punctiu-es, the first abbreviated, lateral strife rather 

 more deeply impressed, their interstices obsoletely raised ; bright 

 rufo-fulvous, outer margin with a broad black border, which gradu- 

 ally becomes wider towards the apex. Beneath entirely fulvous. 



Var. A. Body entirely black above. 

 Hah. Amazons ; Peru. 



Collection of J. S. Baly. Var. in Mr. Saunders's cabinet, 



f2 



