258 CERAMBYCID,E. 



Thorax black, in front narrowly, behind widely, margined with 

 greyish, a large spot behind (in the middle) black ; elytra golden- 

 yellow, each with a marginal black spot beneath the shoulder ; 

 a trapezoidal black spot in the middle not touching the suture ; 

 the tip black. 

 Hab. Amazon (Santarem) (Coll. W. B. Bates). 



41. Clytus olivaceus. B.M. 



C. niger ; thorace postice cinereo ; elytris basi et postice cum 

 fascia lata lutea cinereis, lunula suturali alba. 



Clytus olivaceus, Lap. 8f Gory, p. 30. pi. 7. f- 36. 

 Hab. Brazil. 



42. Clytus Augusti. 



C. niger, thorace inaequali ; elytrorum basi, apice et linea trans- 

 versa albis. 



Clytus Augusti, Chevr. Col. du Mex. fasc. 4. 



Lap. 8f Gory, Mon. p. 30. pi. 7- f- 37. 

 Clytus dubius, Chevr. Col. du Mex. fasc. 4. 

 Hab. Mexico. 



43. Clytus triangularis. 



C . niger ; elytrorum linea baseos obliqua, macula triangulari ad 

 suturam et fascia postica cinereis. 



Clytus triangularis, Lap. <3" Gory, Mon. p. 31. pi. 7 • f. 38. 

 Hab. Cayenne. 



44. Clytus globicollis. 



C. niger, thorace globulari ; elytrorum linea baseos obliqua, 

 macula triangulari ad suturam et altera postica transversa 

 albis. 



Clytus globicollis, Lap. fy Gory, Mon. p. 32. pi. 7. f. 39. 

 Hab. Cayenne. 



45. Clytus troglodytes. 



C. niger, thorace ovato ; elytrorum linea baseos obliqua; ma- 

 cula suturali triangulari et lineola postica transversa albis. 



Clytus troglodytes, Lap. 8f Gory, Mon. p. 33. pi. 7- f. 41. 

 Hab. Cayenne. 



