C 179 1 
an immediate Contatt. This Oil being one of the 
heavieft Oils, and even heavier than Water, is the more 
likely thus to unite, as its Parts are nearer together. 
This may be a Hint to the Curious, to difeover 
wherein confifts the Difference of Solidity and Flui- 
dity 5 and likewife (hews how much the Colour of 
Bodies depends on the mechanical Situation of their 
Parts. 
See a like Cry flail ization from Thyme y by Dr. Neumann z 
which he calls C amphora Thy mi , N? 389 and 431. of thefe 
*Tranf actions* 
VIII. An Observation of an extraordinary 
‘Damp in a Well in the Ifle of Wight $ 
communicated in a Letter from Mr. Benj. 
Cooke, F. R. S. to Mr. Peter Collinfon, 
F. R. S. 
'Dear Sir, 
H AVING fo fair an Opportunity, I fend you an 
Account of the melancholy Effedts of a Damp 
or fulphureous Vapour, which happen’din thislfland, 
and of which I was an Eye-witneis. 
In the Month of June 1733- a Farmer, in Hopes 
of finding a perpetual Spring of good Water, funk a 
Well, whofe Diameter was feven to the Depth of 4 f 
Feet (through a Soil whofe Surface was a kind of 
brick Earth mixt with Sand, which in defeending 
became almoft wholly hard coarfe yellow Sand) ; which 
Work 
