ErotyHdcc from Santo Domingo. 1-45 



with a 4-jointed club, and finely granulated eyes. The 

 tliorax is margined at the base. 



Lacordaire has divided this genus into two sections 

 according to the shape of the mentum, but I find this very 

 difficult to ascertain: he is certainly in error in many 

 cases. 



12. Mycotrctus Savignyi, Lac. Mon. Erot., p. 150 (1R42). 



Very near M. Lcsncnri, but the interstitial punctuation 

 faint, and the legs red. 



The single specimen before me accords entirely with 

 those in my collection from Columbia (Reiche, Chevrolat). 



13. Mycotrctus injgm"^^^^' ^^^- ^^n. Erot., p. 156 (1842). 



Sparingly and rather coarsely punctate ; I have examples 

 from Cayenne (Lacordaire), Bahia, and Bogota. 



14. 3fycotrctus Chontalesi, sjj. nov. 



Ovatus, ochraceus, nitidus, antennis sat elongatis, clava 

 nigra, distincte tri-articulata ; capite distincte punctato, 

 antice leviter impresso ; thorace parce punctulato, lateribus 

 rotundatis, basi utrinque sinuato, leviter foveolato punc- 

 tatoque ; scutello punctulato ; elytris albidis, laivibus, 

 punctato-striatis, singulis maculis 2 oljlongis parallelis in 

 quartam basalem, macalaque communi triangulari (antice 

 paulo producta) nigris. L. c. 2{ lin. 



Allied to M. lejnclus. 



AEGITHUS, Fab. Syst. El. II., p. 9 (1801). 



(Type Cocc. mriiiamcnsis, Linn.) 



Distinguished by the very small thorax, deeply emar- 

 ginate in front and obliquely truncate on either side at 

 the base. The elytral punctuation is gemellate or often 

 absent, 



