BUTTERFLY. 
209 
lighter undulations, and three large ocellated spots 
on each wing. It is a native of South-America, 
and proceeds, according to Madam Merian, who 
has figured it in her work on the Surinam Insects, 
from a large yellow caterpillar, beset with numer- 
ous, upright, sharp, black spines. It changes into 
an angular chrysalis, of a brown colour, and di- 
stinguished by having the proboscis projecting in 
a semicircular manner over the breast: from this 
chrysalis, in about fourteen days, proceeds the 
complete insect. 
The P. Machaon is an insect of great beauty, 
and may be considered as the only British species 
of Papilio belonging to the tribe of Equites"^. It 
is commonly known among the English collect- 
ors by the title of the Swallow-Tailed Butterfly, 
and is of a beautiful yellow, with black spots or 
patches along the upper edge of the superior 
wings; all the wings are bordered with a deep 
edging of black, decorated by a double row of 
crescent-shaped spots, of which the upper row is 
blue, and the lower yellow: the under wings are 
tailed, and are marked at the inner angle or tip 
with a round red spot bordered with blue and 
black. The caterpillar of this species feeds princi- 
pally on fennel and other umbelliferous plants, 
and is sometimes found on rue. It is of a green, 
colour, encircled with numerous bhick bands 
spotted with red, and is furnished on the top of 
* Unless we admit the Papilio Podalirius to be a British 
species also , 
V. VI. P. I. 
14 
