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. WilHams 

 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.EUS ATLAS. 

 PLATE XIII. 



Linn. Syst. Nat. p. 542 Fabricii Syst. Entom. 7 , 8 Sea- 

 rabaeus Hector ? Dejean. 



This very singular and conspicuous inseo* 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 



