WuT tlufl Treatise does not contain all Knowledge. — Attention of Scientific
Hen attracted to Drainage. — Lieutenant Manry's Suggestiona. — ^Ralph
Waldo Emerson's Views.— Opinions of J. H. Klippart, Esq. ; of Professor
ICapes ; B. P. Johnson, Esq. ; GoTemor Wright, Mr. Oustis, &c. — Preja-
dice against what is English. — ^Acknowledgements to oar Friends at
Home and Abroad. — ^The Wants of our Farmers.
CHAPTEK n.
HISTOBT OF THE ART OF PBAININO.
Draining as old as the Delugc^^Boman Authors. — ^Walter Bligh in 1660.—
No thorough drainage tin Smith, of Deanston. — ^No mention of Tiles in the
"Compleat Body of Husbandry," 1*758.— Tiles found 100 years old. —
Elkington's System. -^ Johnstone's Tuns and Peripatetics. — Draining
Springs. — Bletonism, or the Faculty of Perceiving Subterranean Water. —
Deanston System. — Views of Mr. Parkes. — Eeythorpe System. — ^Wham-
diffe System. — Introduction of Tiles into America. — John Johnston, and
Mr. Delafield, of New York.
CHAl^TER ni.
BAIN, EVAPORATION, AND FILTRATION.
FertilLdng Substances in Rain Water. — Amount of Rain Fall in United
States ; in England.-^Tables of Rain Fall. — ^Number of Rainy Days, and
Quantity of Rain each Month. — Snow, how Computed as Water. — Pro-
portion of Rain Evaporated.— What Quantity of Water Dry Soil will Hold.
•^Dew Point^How Evaporation Cools Bodies.— -Artificial Heat Under-
ground—Tables of Filtration and Evaporation.
OKAPTER IV.
DBAIKAGE OF HIGH LANDS — ^WHAT LANDS SEQUIBB DBAINAGB.
What IB High Land ?— Aceidents to Crops from Water. — Do Lands need
Drainage in America? — Springs. — Theory of Moistare, with Dlostrations.
