HEMIPTERA. 205 



verse impunctate keel, which is slightly waved in the centre, 

 running between the angles ; the portion of the thorax behind 

 this keel is somewhat rugose. Scutellum thickly punctured. 

 Coriaceous portion of the elytra rather sparingly punctured, but 

 with a few minute spots formed of close-set punctures, scattered 

 over the surface ; membrane brownish, semitransparent. Mar- 

 gins of the abdomen immaculate. Body beneath ochreous. Ab- 

 domen impunctate ; stigmata black. Breast rather thickly and 

 finely punctured, with the punctures reddish brown; on each 

 side of the breast are four black dots. Legs pale ochreous; 

 thighs with a few brown points. Rostrum yellowish white, with 

 the tip black. Antennae with the three basal joints fulvous, the 

 second considerably shorter than the third ; fourth and fifth joints 

 brownish ferruginous. 



a. Brazil. From Mr. Children's Collection. 



11. EUSCHISTUS crassus, n. s. 



E. supra fusco-griseus, nigro-punctatus, thorace convexo, antice 

 pallidiori ; humeris acute spinosis ; corpore subtus fulvo, nigro- 

 punctatissimo ; pedibus testaceis, punctis numerosis nigris ; 

 antennis fulvo-testaceis apice obscurioribus. 9 . 

 Long. lin. 5. 



Somewhat oblong-ovate, above greyish brown, thickly and 

 finely punctured. Head yellowish, with the apex rounded, the 

 central lobe as long as the lateral. Eyes black ; ocelli red. 

 Thorax with the antero-lateral margins rather long, straight, 

 finely but not acutely denticulated ; the lateral angles acutely 

 spinous, with an obtuse emargination a little behind the apex ; 

 the portion of the disc in front of a slightly waved line running 

 between the angles is yellowish, and less thickly punctured than 

 the posterior portion. Scutellum broad, triangular, nearly equi- 

 lateral, with the sides nearly straight and the apex rather broad 

 and rounded. Membrane of the elytra brown, semitransparent, 

 the nervures and several small spots on the interstices dark brown. 

 Margins of the abdomen nearly black, very thickly and finely 

 punctured, with the outer edge and a spot on the centre of each 

 segment yellowish. Body beneath fulvous, very thickly and finely 

 punctured with black. Abdomen with the outer edges yellowish, 

 and with a minute yellowish tubercle in the posterior angle of 

 each segment. Legs testaceous, with numerous fine black points 

 on the thighs and tibiae. Rostrum whitish, with the tip black. 

 Antennae somewhat fulvous, with the two apical joints brownish ; 

 second joint much shorter than the third. 



a. St. John's Bluff, East Florida. Presented by E. Double- 

 day, Esq. 



