Historical Account ofTestaceological Writers. 131 
pretty accurate plate of five of these, which he considered as most 
remarkable for their beauty and shape. 
In 1666 the museum of the Duke of Holstein-Gottorp was de- 
scribed by 
ADAM OLEARIUS. 
A second edition of this work came out in 1674. Each is em- 
bellished with thirty-six remarkably neat and good copper-plates, 
five of them containing shells, which are referred to by Linnaeus 
in various parts of his Systema. 
DU TERTRE, 
who succeeded this author in the same undertaking, has done 
little more than having corrected what he considered as mistakes 
in his predecessor, with respect to the natural history of the Ca-* 
ribbee shells, but his work is three times as large. 
MERRETT, 
though scarcely entitled to the character of a describer, seems to 
deserve a place in our account of Testaceological writers, as hav- 
ing been the earliest catalogist of the natural productions of Great 
Britain. The Testacei (as he calls them) occupy but little more 
than a page of his Pinax, and his references are only to Rondele- 
tius, Gesner, Aldrovandus, and Jonston. 
CIIARLETON 
is to be considered rather as a nomenolator than as having any 
pretensions to the rank of a systematical writer, yet he con- 
structed some subdivisions of his own in the classes before esta- 
blished. He separated the Turbinata and Bivalvia into two orders, 
which are very ill conceived, especially those of the last men- 
s 2 tJoncd 
