The species of the genus have the upper side of the wings 

 dark brown or black glossed with violet, blue, or purple. Be- 

 low the wings are very beautifully marked. There are about 

 seventy species which have been described, all of them from 

 the American tropics, two of which, however, come within our 

 borders, Eunica tatila, occurring in Florida, and the following: 



(1) Eunica monima (Cramer), Plate XXXVIII, Fig. 1, cf; 

 Fig. 2, 9 (The Dingy Purple-wing). 



This obscure little butterfly represents its genus in Texas 

 and Florida, and gives but a faint idea of the beauty of many 

 of its congeners. It ranges southward and is common in 

 Mexico and the Greater Antilles. Expanse 1.35-1.50 inch. 



GENUS CYSTINEURA BOISDUVAL 

 (THE BAG-VEINS). 



Small, delicate butterflies with elongated fore wings, having 

 the costal vein much swollen near the base, somewhat as in the 

 SaiyrinoE, The upper discocellular is lacking in the fore wing, 

 and the cell is feebly closed. Outer margin of the hind wing 



105 



FL. XXXVI I ; 



