318 APPENDIX. 



gineo rufis incrassatis ; thoracis lateribus valde dilatatis ; 

 femoribus latis ; tibiis subarcuatis ; tarsis setosis. 



Ferruginous red, broad. Antennae piceous, shorter 

 than the body ; first joint ferruginous red, incrassated. 

 Thorax much dilated on each side ; hind angles 

 prominent, rounded ; elytra smooth, shining, cover- 

 ing almost one-third of the length of the abdomen. 

 Legs moderately long ; femora broad ; tibiae slightly 

 curved ; tarsi setose. Length of the body, 2^ lines. 



Fam. HTDROPIIILIDJ;. (Leach.) Genus TROPISTERNUS. 



(Solier.) 



Tropistemus binotatus. N. S. 



Cupreo-niger, viridi subnitens ; capitis lateribus 

 anticis ochraceis ; thorace vittis duabus latis rnarginali- 

 bus ochraceis, maculas duas nigrocupreas includentibus ; 

 elytris vittis duabus marginalibus ochraceis postice at- 

 tenuatis intus excavatis, pedibus piceis. 



Cupreous black, elliptical, partly and slightly tinged 

 with green. Antennae underside black. Head dark 

 ochraceous along each side in front. Thorax with two 

 broad marginal dull ochraceous stripes, each with an 

 oblong oblique cupreous black spot near the hind 

 border. Elytra bordered with dull ochraceous along 

 the sides of the scutellum and along the exterior border ; 

 the two stripes are attenuated hind ward, and are irre- 

 gular and excavated on the inner side. Legs piceous. 

 Length of the body, 6 lines. 



It is especially distinguished from the other North 

 and South American species by the black mark on each 

 side of the thorax. 



