Part I. 
Of Shells. 
I have feen fome of thefe Shells perfectly formed in all 
their parts, not much bigger than a Cheefe-Mite. 
Thus tar the Titles and Defcriptions 5 the Schemes fol¬ 
low, which take in all, fave one or two of the Sub-Species: 
and wherein the Order is a little more corrected. 
Scheme 1. 
Shells 
are 
Not Whirled. Scheme 2. 
t. Conick. 
tSingle^ ("Apparent, CBody < 
Whirled. Jwith more < j;Oval. 
The Whirle) ^Whirle. Scheme 
(Latent. Scheme 6 . 
Scheme 3. 
Scheme 4. 
5 - 
cDouble. 7 
! i.Not Single. < ^Scheme 7. 
C Multiple.-^ 
.Orbicular, 
with 
<" A little 
I open ' 
Scheme 2. 
cThe Greater Red 
-Five Orders J C White 
\of Prickles CThe LelTer<Brown 
j"Green 
/Ten Orders 
of Prickles. 
White ] Button-Filh, or 
j Edible Sea-Ur- 
I chans, 
t Echini ef- 
culenti. 
'Oval 
{ 
The Greater. The Great Mare-Maids-Head , Ecbinometra. 
The Leffer.The Little Mare-Maids Head.Echinm Spatagusi 
Not whirled^ 
_ Low. 
Wide open ^ 
Level, ^ 
or plain-fided GHigh or V Level. 
CConick. With d 
the edge gNot level. 
pEqual or rW aves, 
fPromincntA even, \ 
Oval. With with fidesSUneven.S deep 
the Navk. J ( With (.Furrows. 
. Limpets. 
Tat ell*. 
(Only a little 
^.Winding J Obliquely. The Vaulted 
SLimptt.Paulla cone amir ata. 
(.Spirally. Anris marina. _ 
Scheme 5 
