16 
Anterior wings generally somewhat falcate .  “ncer ones 
often tailed ; the internal margin excised or f 1. to ad- 
mit of free play for the abdomen. 
Carerriyvar teniaculated, fleshy, and furcate 
Curysauis angulated, with two processes before : it fas- 
tens itself by a transverse thread. 
The species of this genus, which constitutes the most 
beautiful part of the creation, are found chiefly in the 
warmer regions, very few occurring in the temperate parts 
of the world. Their flight is extremely rapid; their winzs, 
when at rest, stand erect over their bodies. 
Papilio Machaon is the only species that has been clearly 
ascertained to inhabit Britain, P. Podalirius having been 
introduced into the British Fauna on very dubious autho- 
rity. 
