176 LLOYD'S NATURAL HISTORY. 



Aganisthus odius (Fabricius) is a very large brown Butterfly, 

 measuring four or five inches across the wings. It is common 

 throughout the whole of the warmer parts of America. The 

 fore-wings have a strong projection on the hind-margin below 

 the tip, below which the hind-margin is suddenly and deeply 

 concave, and then more gradually, but strongly, convex above 

 the hinder angle. The hind-wings are rounded, but gradually 

 produced below into an obtuse point at the anal angle. The 

 wings are black above, and fulvous at the base ; on the fore- 

 wings the fulvous portion of the wing sends out a broad 

 obtuse projection a liitle above the middle of the wing, nearly 

 to the hind-margin. Before the tip is a white spot. On the 

 under surface the wings are transversely, but not sharply banded 

 with lighter and darker brown, and slightly shaded with green. 

 The wing-cells are open. The larva is set with branching spines, 

 and has two clavate horns on the head ; the pupa is long, and 

 laterally compressed, with horns on the brick 



" It is an insect ot extremely rapid flight I have seen it 

 only in open sunny places in the neighbourhood of towns." 

 (Safes.) 



Coea cadmus (Cramer) differs from -Aganist/uts by the tailed 

 hind-wings, and the closed wing cells. It is smaller and less 

 robust than A. odius, with narrower wings, but is very similarly 

 coloured. The fore-wings are less produced, and are of a 

 deeper red at the base, but this colour ends more obtusely than 

 in A. odius at two-thirds of their length ; towards the tip are 

 several white spots. The hind-wings are rounded and dentated, 

 and there is a moderately long, slender, acute tail on the middle 

 of the hind-margin. The under side is brown, with zig-zag 

 black lines. 



This species very greatly resembles Pycina zamba (Double- 

 day and Hewitson), which is found in Venezuela, but, in the 

 latter species, the hind- wings are more reddish above, and 



