the faid Pipes NO, and the loweft Pipe draws the wa- 
ter that lyes open to the ^ir. By the* lame reafon when 
the Plug in the Pump //goeth up, thev^ir muftcomo 
in through the Pipes £-F-F; and io it i? rarified in tha 
fecQnd and fourth receptacles marked B 5, and by that 
means the water may be driven up into the feid Re* 
ceptacles through the Pipes Pg. becaufc at the 
fame tipe the Plug in the Pump HH going down, 
CLjfes the Jir to xeturato its ordinary preffureinthe 
firft and third receptacles, fo that it is able to dxivc 
up the water through the faid Pipes 
A Letter from Mr William Cole 0/ Briftol, toth 
Phil. Socie^^^ Oxford^ cmtaimng his 0^ fir i 
vat ions Purple Fifti. 
Gentlemen, 
THere being many Natnrall things^ which I have 
formerly, and of late, happily found in the South 
and Weft parts of England, not (as I can find) publifti- 
cdby SLny Author i befides many more, which have been 
difcoyered by the induftrious exquifitions of divers inge- 
nious and curious Searchers of Nature i (as alfo others 
whiph wqre before thought to be Exotixjuesi ^ I have 
realon tp bejieye, that the^e^re very many more (for 
incouragement of inch Inquii^ers) yet undifcovered in 
this our Native Country. Among others, that o£ the 
Tur^le-^iijk.^ W^hich I found the laft Winter, on the 
Coafts 
