Neuralgia, [208]
New York, suggestions for sewer outlets, [227]
Oats, [168]
Obstructions, [90]
Opening ditches, [122]
Outlet, [95]
Outlet, how made (with illustrations), [118]
Outlet, location of, [58]
Parkes, Josiah, quotations from, [36]-71-88-178
Porosity, [41]
Profile of a drain, (illustration), [106]
Profit, instances of, [167]-170
Production, amount of increase of, necessary to make draining profitable, [162]
Puddling, [8]-31-148
Pumping, [206]
Pumping, London sewage, [226]
Rock, sounding for, [55]
Rock, how to collect water from, [60]
Roots, depth to which they reach, [40]-67
Roots, as a cause of obstruction, [93]-148
Rye, [168]
Salisbury's, Dr., theory concerning malarious fever, [214]
Salt marshes, catch water drains, [201]
Salt marshes, construction of embankment, [196]
Salt marshes, dyke and ditch, (illustration), [197]
Salt marshes, exclusion of the sea, [195]
Salt marshes, how formed, [194]
Salt marshes, inundations from upland , [201]
Salt marshes, location and size of embankment, [195]
Salt marshes, management of creeks, [198]-200
Salt marshes, management of rivers, [201]
Salt marshes, muskrats, [199]
Salt marshes, outlet for under drainage, [204]-205
Salt marshes, pumping, [206]
Salt marshes, rain-fall and filtration, [204]
Salt marshes, valve-gates and sluices, [204]
Scraper for filling ditches, (illustration), [140]
Seeds, germination of, [13]
Sewage, use of in agriculture, [226]
Sewers, defects of large, [228]-238
Sewers, description of the London outfall, [225]
Sewers, efficacy of glazed earthern pipes, [229]-230-238
Sewers, experiments of Hale on pipe sewers, [230]
Sewers, imperfect, [224]
Sewers, of brick, defective, [228]-235-238
Sewerage, conclusions of General Board of Health, [237]
Sewerage, of New York, [227]
Shrinkage of clay soils, [28]
Sides of ditches in soft land, how braced, (illustration), [124]
Silt, [90]
Silt, basins, (illustrations), [121]-135-136
Silt, basins, how made, [120]
Silt, basins, [91]-96-134
Silt, in tiles, [144]
Sources of the water in the soil, [10]
Springs, how to collect the water of, [59]-60-141
Staking out the lines, [102]
Staten Island, [209]
Steam pumps, [206]
Stone and tile drains, [142]
Sub-mains, [59]
Teams used in opening ditches, [122]
Temperature, [35]-66
Temperature, affected by draining, [36]
Tile laying, [127]
Tile-pick, (illustration), [131]
Tiles, and tile laying, cost of, [157]
Tiles, capacity for discharging water, [84]-86
Tiles, double-style, [80]
Tiles, drain—essential characteristics, [22]
Tiles, how made, [174]
Tiles, horse-shoe, [78]
Tiles, kinds and sizes, [77]
Tiles, ordering, [82]-101
Tiles, objections to large sizes, [147]
Tiles, pipes and collars, [81]
Tiles, rapidity with which they receive water, [78]
Tiles, sizes of, [81]
Tiles, sizes required for different areas, [88]
Tiles, should be well formed, [83]
Tiles, sole, [80]
Tiles, trimming and perforating, [131]
Tile making, material for, [174]
Tile preparation of earths, [176]
Tile rolling and drying, [182]
Tile washing the clay, [177]
Tobacco, [169]
Tools required, [113]
Town drainage, conclusions of General Board of Health, [237]
Undrained land not reliable for cultivation, [18]
Vermin as a cause of obstruction, [93]
Water, depth of, [66]-70
Water, in the sub-soil, injurious effects of, [15]
Water, movement of in the ground, [32]-64-65
Water, objections to excess of, [11]
Water, the best vehicle for removing ordure, [238]
Water, when beneficial and when injurious, [24]
Water-courses and brooks, how treated during draining operations, [117]
Water-table, [22]
Wind-mills, [206]
Wheat, [164]-167