This shire may be divided as it were into three stories or stages. Chippenham vale is the lowest. The first elevation, or next storie, is from the Derry Hill, or Bowdon Lodge, to the hill beyond the Devises, called Red-hone, which is the limbe or beginning of Salisbury plaines. From the top of this hill one may discerne Our Lady Church Steeple at Sarum, like a fine Spanish needle. I would have the height of these hills, as also Hackpen, and those toward Lambourn, which are the highest, to he taken with the quicksilver barometer, according to the method of Mr. Edmund Halley in Philosophical Transactions, No. 181. Now, although Mindip-hills and Whitesheet, &c., are as a barr and skreen to keep off from Wiltshire the westerly winds and raines, as they doe in some measure repel those noxious vapours, yet wee have a flavour of them; and when autumnal agues raigne, they are more common on the hills than in the vales of this country. The downes of Wiltshire are covered with mists, when the vales are clear from them, and the sky serene; and they are much more often here than in the lowest story or stage. The leather covers of bookes, &c. doe mold more and sooner in the hill countrey than in the vale. The covers of my bookes in my closet at Chalke would be all over covered with a hoare mouldinesse, that I could not know of what colour the leather was; when my bookes in my closet at Easton-Piers (in the vale) were not toucht at all with any mouldiness. So the roomes at Winterslow, which is seated exceeding high, are very mouldie and dampish. Mr. Lancelot Moorehouse, Rector of Pertwood, who was a very learned man, say’d that mists were very frequent there: it stands very high, neer Hindon, which one would thinke to stand very healthy: there is no river nor marsh neer it, yet they doe not live long there. The wheat hereabout, sc. towards the edge of the downes, is much subject to be smutty, which they endeavour to prevent by drawing a cart-rope over the corne after the meldews fall. Besides that the hill countrey is elevated so high in the air, the soile doth consist of chalke and mawme, which abounds with nitre, which craddles the air, and turns it into mists and water. On the east side of the south downe of the farme of Broad Chalke are pitts called the Mearn-Pitts*, which, though on a high hill, whereon is a sea marke towards the Isle of Wight, yet they have alwaies water in them. How they came to be made no man knowes; perhaps the mortar was digged there for the building of the church. * Marne is an old French word for marle.