COLEOPTEROUS INSECTS. 
209 
surprise in the neighbourhood where they were dis- 
covered. A mile or two south of Philadelphia, and 
near the river Delaware, an old cherry-tree was 
blown down by a violent current of wind, and my 
informant saw the remains of numerous individuals, 
in and about the cavity of the tree laid open by the 
shock of its fall. That there might be no mistake, 
he exhibited the thorax of a male he had chosen 
from the mutilated fragments. I think it highly 
probable that the Tityus is more especially a native 
of the southern states, as my friend Mr J. Williams 
presented me with several specimens in high pre- 
servation, collected by himself in Maryland, and 
from them the drawings for the annexed plate were 
made/’ 
SCARAB^US ATLAS. 
PLATE XIII. 
Linn. Syst. Nat. p. 542 — Fabricii Syst. Entom. p. 8. — Sca- 
rabaeus Hector ? Dejean . 
This very singular and conspicuous insect is en- 
tirely of a black colour, tinted with greenish bronze, 
especially on the elytra, the whole surface being 
smooth and glossy. The head is armed with a very 
long acute horn, which is slightly recurved, and has 
a double row of serratures on its inner side. Two 
similar horns project, one from each side of the tho- 
rax, which are without teeth, acute at the tip, and 
