HOMALISPA. 35 



H. ovate, depressed above, shining fulvous ; disc of elj^tra pitchy 

 black. Head sparingly and minutely punctured, covered ^dth 

 short fine adpressed pale haii's ; eyes black. Thorax transverse, 

 nearly twice as broad as long at the base ; sides rounded, nar- 

 rowed towards their apex, their margin broadly reflexed ; apical 

 margin deeply sinuate on either side, and armed just ■v\dthin 

 the anterior angles with an obtiLSc tooth, its middle portion con- 

 vex ; anterior angles subacute, posterior acute ; above smooth, 

 remotely and minutely punctate, deei^ly impressed on either 

 side the disc, canaliculated just within the outer border. 8cu- 

 tellum large, pitchy, its disc fuscous. Elytra rather broader than 

 the base of the thorax ; shoulders rounded; sides margined, slightly 

 curved, margin moderately dilated in front, less distinctly so 

 behind, recxu'ved ; apex rounded, minutely serrate ; above sub- 

 depressed, convex on the sides, sinuate below the shoulder, punc- 

 tate-striate, striae nearly obsolete towards the apex ; margin 

 smooth, impunctate ; pitchy black, the entire limb fulvous ; pygi- 

 dium exserted, its apex obsoletely emarginate. 



Hah. Upper Amazons ; Peru. 



British Museum, and collections of G. "Waterhouse, Esq.. and 

 J. S. Baly. 



4. Homalispa Grayella, n. sp. 



H. late oblongo-ovata, depressa, flava, nitida ; antennis (articulo 



basali excepto). oculis, elytris, pleuris abdomineque nigris. 

 Long. 3^- Hn. 



H. broadly oblong-ovate, pale shining yellow ; antennaj, basal joint 

 exce]Dted, eyes, pleiu'se, abdomen and elytra black, the latter with 

 an obscure tinge of blue. Head smooth ; antennae slender, more 

 than half the length of the body. Thorax transverse, twAce as 

 broad at the base as long ; sides with a broad reflexed margin, 

 rovuided, much narrowed in front, indistinctly so at the base; 

 anterior angles produced, subacute, posterior armed with a minute 

 tooth ; apical margin deeply excavated, sinuate on either side, its 

 middle obsoletely produced, subconvex ; surface smooth and 

 shining, impunctate, impressed on either side the central line and 

 near the outer border with several indistinct fovese ; at the base, 

 near either angle, is a more deeply excavated transverse fovea. 

 Scutellum smooth, impunctate. Elytra subdepressed, scarcely 

 broader than the base of the thorax, quadrate-ovate, their apex 

 obtusely rounded ; outer margin narrowly dilated, its edge slightly 

 reflexed, distantly and obsoletely serrate along the sides, serratui'cs 

 more distinct and crowded towards the apex ; sutural angle ob- 

 tuse ; above moderately convex on the sides, deeply sinuate below 

 the shoulders ; finely but distinctly punctate-striate, the stride 

 irregular on the anterior half of the outer disc ; the fourth and 

 sixth interstices from the suture obsoletely elevated at their 

 extreme base, anastomosing a short distance below the scutellum. 



d2 



