224 NATURAL HISTORY OF 
green, with coppery and violet-blue reflections on 
the sides ; the elytra bright chestnut red ; the legs 
green, with the under side of the thighs reddish. 
As with other lucanideous insects, its food consists 
of the flowing sap of trees, and it is said to frequent 
the araucarias and other green trees in the island 
of Chiloe. 
LUCANUS CERVUS, or STAG BEETLE. 
PLATE XVIII. Fig. 2. 
Donovan's Brit. Insects , i. pi. 13 — Lucanus inermis, Don. 
xii. pi. 400. — Marsham's Entom. Brit. 
In this genus the four terminal joints of the an- 
tennae are produced on one side ; the eyes are not 
divided by the margin of the head ; the latter is as 
wide as the thorax, and in some instances wider ; and 
the maxillae terminate in a slender lobe without cor- 
neous teeth. The species figured is the well-known 
Stag-beetle of this country. It occurs in consider- 
able plenty in several of the southern counties, but 
has not been observed in the north of England, nor 
in Scotland. It is likewise found on the Continent, 
and the larva is considered by some to be the Cos- 
sus of the ancient Romans, which is described as a 
white worm living in the interior of oak trees, and 
which was much coveted as a delicious food by 
these refined epicures. The male is about two 
inches in length, including the mandibles. It is 
