DIRCENNA. 121 



hitherto noticed in the Lepidoptera ; and, in addition to thia difference, the males have a tuft of long silky hairs on the 

 anterior margin of the posterior wings. 



This genus appears to be most numerous in the equatorial parts of South America and in Mexico ; its range 

 southward, however, is extensive, probably as far as Rio de Janeiro. 



DIRCENNA. 



1. Dm. Iambe Doubkday fy Hewitson, t. I", f. 2. (1847). 



Venezuela. B. M. 



2. Dir. Klugii. 



Mexico. B- M. 



3. Dir. ? Lenea. 



P. Le. Cram. t. 281. f. D. (1782). 

 Ceratinia Le. Hiibn. Verz. bek. Schmett. 10. (1816). 

 Heliconia Melanida var. Godt. Enc. M. ix. 215. n. 39. (1819). 

 Guiana. B. M. 



4. Dir. ? Melanida. 



P. Mel. Cram. t. 231. f. F. (1782). 

 Ceratinia Mel. Hiibn. Verz. bek. Schmett. 10. (1816). 

 Hel. Mel. Godt. Enc. M. ix. 215. n. 39. (1819). 

 Guiana. B. M. 



5. Dir. ? Dero. 



Oleria De. Hiibn. Zut. f. 243, 244. (1823). 

 Brazil. B. M. 



