ofOXFO lip'S Ht%E. 85 
Church -windows made at Cafwick in Saxony^ and Merfehurg in 
Thuringia^ which certainly mufl: be of a different fort, from v\^hat 
is defcribed by Aldrovandti^^ and V/ormiu6'^: the one whereof 
fays 'tis imbrium impatiens ; and the other, humido corruptibili^. \ 
expofcd this of ours many rainy days, but could not find that 
from the weather it received any damage, and therefore giiefs it 
to be the fame defcrib'd by Agricola : 1 fteeped it likewife many 
days in w^ater, but found not any fenfible alteration of its body, 
though it gave the water both an odd fmell and taft. As for Lan- 
terns and Windows'^ fo they anciently ufed it in making of Bee-hhes^ 
that through it they might fee the Bees operations, as in glafs- 
hives now : an Invention by fonie people taken for new, though 
very well known in the days of Piinji \ 
15. Out of burnt felenites is made the beft gypfum^ for Flai- 
flering^ Images^ Fret-work?-, isc Whenburn'd, it turns to a pure 
white Calx^ by the Italians called Gejfo , from the Latin word 
gypjum : Of this they make thofe curious counterfeit Tables^ like 
Marble in-laid with divers Pretieu^ fiones^ in the forms of Ani- 
mals^ Plants^ (src. The way of making them is taught us by Kir- 
cher ^ ; but there is a friend of mine has a better method^ who in- 
tends very fpeedily to make fome attempt to make them in Eng- 
land^ and of E/7p'/i/^ materials. And fo much for our firft/om- 
ed none Selemtes^ on which I had not dwelt fo long, but to fup- 
ply the defeats of other Authors, whofe defcriptions of it are 
but mean andirriperfeft. 
16. After the. Moon-JIone, tht After or Star-pones^ next 
offer them felves to our confideration, which, to avoid the coii- 
fuHon of other Authors, I (hall only call thofe, whofe whole 
Bodies make the form of a Star, as lATab. 2. Fig, 2,:^, in oppo- 
fi ci 0 n to the ^y2roi/e^, which in the whole are irregular, but a- 
domed as it were with a Conftellation^ as in Fig. 4, 5, 6 and 7. 
17. The Afleria^ or fiar-§}one ^ otherwife by Gefner^ called 
Sfhragls Ajle fos., :ifigillum ftelU^ becaufe of the ufe it is fom-^ 
times put to, is pleatifully found in the Fields at Cleydon^ the 
moil North -^m Parifh of the whole County, Northward from 
the Cnuich, and particularly on the Furlong called Hore-fione 
Furlong : the teiiture of as many as I have yet feen, feems to be 
<^ Muf. Metal ay. J^.c.yy ^ In Miifao-, cap ^. e Nat. HiFl. lib. 21. cap. i^- ^ iLircheti Mundm fnb 
ten. L'b. 13.- fcB. '^.part. 3. cap. 3. g De Figuw Lapidum, cap, 2, 
of 
