Cio3 8] 
and I am confident, I have feenit uipon the Laguna 61 
Venice, at the mouths of the Breuta^ Addefis^ and the 
Fo. A Duck very like unto this not the fame,) I law 
w'^on x}i\e Mar e Mortuum^ and the Lake ^^^^rwaj-, asalfo 
many other Water-fowl feeding upon, and flying over 
that water, reported by many of our own, as well as for- 
reiii Writers, to kill Birds at a diftance: lobfervcdfe- 
verall land Fowl to fly over that Lake, without the 
leaft difturbance, from all fides, and ends. North, South, 
Eaft, and Weft; from towards Cuma to t\\QGrott of the 
Sybilli from the mines of the Temple of Apollo^ to where 
that of Mercury &oo^i But peradventure the Poyfonous 
Steams fif there are any peculiar to that Lake,) fome- 
times vanifh, and return again, or elfe mayl^e alter d by 
new -Ej^wt^^^wJ" intermingled with them. 
When I delivered my thoughts concerning Boy ling 
Feu7itains^ their Varieties, and caufes, I had not then 
time enough to mention the Burning ones, except only 
that near Wigan in Lancajhire, with which thofe burning 
Fountains near Grenoble in Dauphiniy near Cibinium or 
Hermatifiadt in TranfylvaniaynQCV Chermay^i Village in 
Swi\:^erlafid in the Canton of Frtburgh^ and that not 
far from Cratovixi in Poland^ do agree in many particu- 
lars, as in being a£tually cold, yet inflammable and tak- 
ing fire atadiftance^ upon the application of any light- 
ed body i (which ike Boy ling fprings neer Peroul will not 
doi) this ought to fee underftood of them in their Sour- 
ces, becaufe when removed from thence, neither the 
waters, nor their earths will produce any fuch Fhanome^ 
na^ as boyling, fl<^ming : It were worth the experi* 
menting and oblewing nicely, what thefe waters, or 
theit eartlis contain, or whether at any time fomc 
Naptha, or PetroUum may not be found floating oq their 
fuperficies; though I never yet heard that the furfacesof 
fuch fprings, as throw up that Oyly fubftance, would 
catch fire at a diftance j neither is it affirmed (that I 
know 
