the Coleopterous Family Eroti/lidce. (55) 431 

 Ischyrus velatus. 



Ischyrus velatas, Lac. Erot. 115. 

 N. Granada, Yeuezuela. 



Ischyrus palliatus. 



Ischyrus palliatus, Lac. Erot. 113. 



•Columbia, Amazons (Bates). 



Probably a variety of /. velatus with rufous head. 



Iscliyrus gratiosus. 



Ischi/7'us gratiosus, Guer. Icon, R. A. Ins. 310 (1846). 



Cokimbia. 



This is very nearly allied to /. velatus. 



The five foregoing species are extremely close, and might be 

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

 tural differences. 



Ischyrus patruelis. 



Ischyrus patruelis, Lac. Erot. 124. 

 Brazil. 



Distinct from the four preceding by the apical spot on the 

 elytra, 



Ischyrus scriptus. 



Erotylus scrijjfus, Ollv. Ent. v. 484. T. in. f. 38. 



Ischyrus , Lac. Erot. 119. 



maculiventris, Lac. Erot. 120. 



Brazil, Cayenne. 



In /. maculiventris the head is blacker, and the pectus is black, 

 but no other difference is observable. 



Ischyrus incertus, 



Ischyrus incertus, Lac. Erot. 118. 



Cayenne, Columbia. 



Thorax with six black spots, the apical and basal pairs confluent. 



Ischyrus Isetus.* 



Ischyrus ketus, Lac. Erot. 122. 

 Rio Janeiro (Lacordaire). 



