ES

Pe) a ok. 485

Weirs, on running waters, how to make, I. 159.

Wells, a particular kind, that keep always nearly at the fame height, near Leith, defcribed and explained, I. 288.—A

particular well at Sheernefs, 302.—Another ditto at Derby, 307-—Another of falt-water at Halle, 310—Another ditto | at Languard-fort, 332.—it may be cut off, 333.—Wells in |{mall iflands accounted for, 33 4.—And in peaked hills, 335.

—How thefe may be dried up, 74¢d.—Another in Upmin-

fter, in Effex, accounted for, 336.—Two wells may exift in the fame place, in which the water ftands always at one height in each, but that which is deepeft may rife the higheft, 337.

Weftphalia hams, i. 71.

Wet-land, produced by fandy burfts above it, how to be drain- ed, I. 237.—Wetnefs of this kind ufually of great extent, 238.—Rendered worfe by being raifed into high ridges, 239.—Not to be dried by making drains in each furrow, 240.—This kind of wetnefs more particularly illuftrated, 277.—Directions more particular how to remove it, 279. —The great mifchief occafioned by a fmal! fpring, in cafes of this fort, farther exemplified, 278.

j y \ \ t. t ; \

Wheat, and fuch kinds of grain, why they cannot be brought to perfection in tropical climates, Il. 85.

Whins, how they may be reared fo as to form a proper fence, I. 97-—-They furnifh a valuable winter’s food for domef- tic animals, 100.—Different modes of employing them, ror. n.—An ornamental hedge, and very proper for dry- ing clothes about wafhing greens, 112, n.

~~ ee

Whitening, what it is, I. 259. White-tborn, fee Hedges. Willows, truncheons of, ufeful in mending decayed hedges, I.

70.—A particular method of forming a fence of them de- {cribed, 82.—Obfervations on the foil moft proper for

rearing them, 83. n.—Their ufe as ftakes for rails, go. n. .—Recommended to notice as a food to domeftic animals, iF Ti 223. Willow-berb, difquifitions concerning, II. 10. n.—Roots of, Mu difquifitions concerning, 13.—~An early{pring food for COWS, 44. aby

Woodbine, an ornamental plant in hedges, I, 83.

Wool, degenerates into hair in warm climates, Hl. 76.— Doubted, 76. n.—Improved by an equality of tempera- ture, 77.—Of Perfia and Spain, why fo fine,§0.—Of Ruf-

it 1153 fia