if) 
TURBO Tiara. 
TAB. DLI.—ig. 1. 
Spec. Cuar. Short, conical ; whorls few, flattened 
upon the sides, crowned by large, rather ob- 
liquely elongated elevations; base convex, 
umbilicated. 
A large handsome shell, whose characters are remark- 
able and easily defined: the elevations around the spire 
are about twenty upon each whorl, the very young shell 
is free from them. 
. Produced by the Mountain Limestone near Preston. 
The specimens are borrowed from the collection of 
Mr. Gilbertson. 
= Res - 
TURBO obtusus. 
TAB. DLI.—feg. 2. 
Spec. Cuar. Short, conical, obtuse, transversely 
striated ; sides straight ; base convex ; strie 
numerous. 
A regularly conical shell, with a solid convex base and 
rounded edge. The striz exceed twelve upon each 
whorl; they are crossed by fine lines of growth. 
Found at Ancliffe, seldom so large as the specimen 
figured. 
1 
7 nd SY  * 7 - 
/$2 Om A+ 7 
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