208 
NATURAL HISTORY OF 
SCARAB^EUS T1TYUS. 
PLATE XII. 
Linn . Syst. Nat. p. 542. — Olivier , i. No. 3, p. 9, pi. 4, fig. 
31, and pi. 10, fig. 31, 5, c. — Say's American Entom. i. 
This insect is about two inches in length : the 
prevailing colour glaucous, inclining to grey. The 
head is black, and armed with a strong horn which 
is curved backwards. The thorax is variegated 
with black and grey, and has three horns projecting 
from its anterior part, one in the centre slightly 
curved downwards and hairy on the under side, and 
two lateral ones which are short and acute. Elytra 
glaucous-grey, with numerous large spots of black. 
The under side of the body, and legs, are wholly 
black. 
The female is without horns, and differs from the 
other sex in the colour of the elytra. 
Inhabits Carolina, Virginia, and other North 
American states. “ It is so extremely rare in 
Pennsylvania,” says Mr Say, from whose handsome 
work on American Entomology the accompanying 
figures have been taken, “that the late Rev. F. V. 
Melsheimer, the parent of Entomology in this coun- 
try, and a very industrious collector, found but two 
individuals in eighteen years. An instance has 
however occurred, in which the appearance of a 
considerable number of them occasioned no little 
