Mimetic Relationships in the genus Heliconius. 117 



H. hewitsoni, Stgr. 



This species is remarkable for its resemblance to 

 H. pachinus. Though allied to sapho forms I think it is 

 certainly distinct, the male armature having several 

 peculiarities (PI. XVII). 



H. congener, Weym. 



This species is closely allied to the sapho forms, but the 

 uncus is much more slender, so that for the present we may 

 keep it separate (PI. XVII). 



Antiochiformes. 



H. antiochus, Linn. 



This species and four subspecies are described from 

 Guiana, Brazil, Peru, Ecuador, Colombia, and Venezuela. 

 A remarkable form, salvinii, Dew., from the Orinoco delta, 

 has a transverse yellow hind-wing band (PI. XVII). 



H. Ieucadia, Bates. 



The tvpe and one subspecies are described from N. Brazil, 

 Peru, Ecuador and Bolivia (PI. XVII). 



H. sara, Fab. 



Six subspecies of this form are described from various 

 localities ranging through the greater part of northern 

 S. America. Gaspers from the above three reputed species 

 are illustrated on PI. XVII, from which it will be seen 

 that, though varying in size and slightly in form, there is 

 no satisfactory feature to distinguish them either from 

 each other or from sapho forms. Also, it may be observed, 

 they approach in structure the cydno forms. 



Eratoeormes. 



H. himera, Hew. 

 A small and interesting form from Ecuador. 



H. notabilis microclea, Kaye. 



Resembles //. xenoclea, Hew., but distinguished by the 

 character of the section. Occurs in Peru and Ecuador. 

 A form with the fore- wing spots more or less white occurs 

 in E. Ecuador. 



