HEMIPTEROUS INSECTS. 
GREAT COCKROACH. 
GENERIC CHARACTER. 
Antennal setaceous. 
Elytra and wings extended, smooth and semi-coriaceous, 01 
of a substance resembling vellum. 
Thorax rather flat, of an orbicular shape, and margined. 
Abdomen terminated by two little appendices like horns. 
SPECIFIC CHARACTER. 
Blatta gigantea. B. liirida, thoracis clypeo macula quadrata 
fusca. Linn. Syst. Nat. Gmel. 1. 
p. 2041. 
Thorax and shield marked with a brown 
square spot. 
Great Cockroach. Sel. Mus. 3. pi. 77- f- E and 4. pi. 85. 
f. 17, 18. Drury Ins. 2. pi. 36. f. 2. 
Shaw Gen. Zool. 6. p. 113. pi. 41. 
This is the largest of all the cockroaches, and a 
very noisome insect. They swarm in the West 
Indies, where, according to the account we find of 
them in Drury’s third volume of Exotic Insects, 
they fly out in the evenings and commit monstrous 
