318 APPENDIX. 
gineo rufis incrassatis ; thoracis lateribus valde dilatatis ; 
femoribus latis; tibiis subarcuatis ; tarsis setosis. 
Ferruginous red, broad. Antenne 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; tibie slightly 
curved; tarsi setose. Length of the body, 2} lines. 
Fam. Hypropuiuww2. (Leach.)—Genus TropisTernvs. 
(Solier. ) 
Tropisternus binotatus. N.S. 
Cupreo-niger, viridi subnitens; capitis lateribus 
anticis ochraceis; thorace vittis duabus latis marginali- 
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. Antenne 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 hindward, 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. 
