ISCIIYRUS. 



Ischyrus velatus. 



Isch]/rufi velatus, Lac. Erot. 115. 

 N. GraD:ul;x, Venezuela. 



Ischyrus palliatus. 



Isc/fjjms paJIiafus, Lac. Erot. 113. 



Coluuibiti, Amazons (Bates). 



Probi\bly a variety of /. velatus with rufous liead. 



Iscliyrus gratiosus. 



Isclijirus gratiosus, Guer. Leon. R. A. Lns. 310 (181G), 



Columbia. 



This is very nearly allied to /. veh(tus. 



The five foregoing species are extremely close, a.nd might be 

 regarded as varieties; I am unable to indicate any constant struc- 

 tural diflerences. 



Ischyrus patruelis. 



Ischijrus patrueVis, Lac. Erot. 124. 

 Brazil. 



Distinct from the four preceding by the apical spot on the 

 elytra. 



Ischyrus scriptus. 



Erotylus scrljytus, OUv. Ent. v. 484. T. iii. f. 38, 



Lschyrus , Lac. Erot. 111). 



maculiventris, Lac. Erot. 120. 



Brazil, Cayenne. 



In /, macuUveHtris the head is blacker, and the pectus is black, 

 but no other difference is observable. 



Ischyrus incertus. 



Lschyrus incertus, Lac. Erot. 118. 



Cayenne, Columbia. 



Thorax with six black s])ots, the apical and basid pairs confluent. 



Ischyrus Isstus, ' 



Lschyrus la'tus, Lac. LJrot. 122. 

 Rio Janeiro (Lacordaire). 



