( 44° ) 
where upon our Coafl; ; and is the fame with that found 
in the Mediterranean. It is a long, flender, round Pipe, 
a little bending and tapering, hollow and open at both 
ends, without any Crack or Flaw, naturally, white at 
one end, and ufually a little reddifli ; very Imooth and 
polifli'd on the out-fide, and from thence and the Figure 
called a Dog-like Tooth. The Entalium, or other Species 
of the Dent alia is very much longer and thicker than the 
former, much alike in other refpe&s, lave that this is 
ftreaked with high Ridges, and moftly of a green i(h Co- 
lour. This Species I guefs to come from the Indies. 
. Note, that any thing that is wrought into, or channeled, 
is in the Modern Italian called an Intaglia ; whence I 
believe, and the nearnefs of the Word D^ntalia y arofe 
thofe diftindfrons of Names. 
2. To the Second Quare, I take the Blatta Byzantin* 
to have fucceeded the Vnguis Odor at J to have been 
brought into the Shops in its place. In )iofcorides^s time 
the beft was brought from the fed Sea, viz. the paleft 
and fatteft the blacker, and lefs, rrom Babylon or the 
Perjian Gulf; but it feems later Times took up with thofe 
found about Qonflantinople ; whence the prefent Shop 
Blatta had its Name. The Name of Blatta is given to 
this Operculum, from the Colour I guefs as being of a 
dark Hair Colour, as the common Blatta Tiflinaria, Co 
• common in London, is ; alfo this being a broad, thin, 
flat Beetle, like the Cover. 
'Tis true, the fame Diofcorides fays, the Vnguis was 
an Operculum (is&jaol yoy^yAiovj like to that of the Pur- 
ple Fifh. He means what was ufed in his Time in 
which it teems the Vnguis Odoraius was loft, or was not 
brought to Europe. But k will appear out of the fame 
^Diofcorides^ that the Vnguis was no Operculum. It will be 
worth the while to make out this Miftake, and confe- 
quently the Errors the Moderns have been in to fubftitute 
an 
