Central Park, [74]-86
Cess-pools, cause of epidemics, [237]
Chadwick, Dr., quotation from, [213]
Clay Soils, [75]
Clay Soils, Baking of by Evaporation, [30]
Clay Soils, Made mellow by draining, [29]-30
Clay Soils, Shrinkage of, [28]
Clinometer, (illustration), [56]
Collars, [84]
Connections, [132]
Connections (illustrations), [134]
Corn, Indian, [162]
Cost of draining, [150]-153-158
Cotton, [169]
Covering and filling, cost of, [157]
Covering for the joints of tiles, [132]
Covering tiles, [136]
Datum-line, [52]-104
Denton, J. Bailey, quotation from, [115]
Distance between drains, [73]
Diseases, malarial, [208]
Ditches, cost of digging, [154]
Draining, amateur, [47]
Draining, indications of the need of, [9]
Draining, its effect on farming, [171]
Draining, tiles, how made, [174]
Draining, tiles, materials for, [174]
Draining, tools, (illustration), [114]
Draining, what it costs, [150]
Draining, will it pay? [161]
Draining, when necessary, [7]
Drains, Cubic yards of excavation in, [155]
Drains, and drained land, care of, [144]
Drains, lateral, should be parallel, [99]
Drains, how they act, [21]
Drains, obstructed, how cleared, [146]
Drains, old, how formed, [146]
Drains, rate of fall, [90]
Drains, their action in the Central Park, [86]
Drained Soil, capacity for receiving water of rains, [23]
Drainage of dwelling houses, [232]
Drought, [37]-40
Economy versus cheapness, [152]
Engineering and Superintendence, cost of, [153]
Engineers, draining, [47]
Epidemic at Maplewood Young Ladies' Institute, [232]
Epidemics caused by cess-pools, [237]
Epidemics caused by ordure beneath houses, [238]
Evaporation, [33]
Evaporation, amount of, [34]
Evaporation, effect on temperature, [33]-35
Evaporation, heat lost during, [34]
Fall, rate of in drains, [77]
Fallacies in draining, [62]
Fen-lands of England, [193]
Fever and Ague, [208]
Fever and Ague, exact cause unknown, [210]
Filtration and absorption, [26]-39
Filling, illustration of—ditch with, furrows, [141]
Filling, maul for ramming, (illustration), [138]
Filling, scraper for, (illustration), [140]
Filling, the ditches, [136]
Finishing tools, (illustration), [123]
Finishing scoop, [123]
Finishing scoop, how used, [126]
Foot-pick, (illustration), [156]
Four-foot drains, [70]
Germination of seeds, [13]
Gisborne, Thos., quotations from, [28]-31-35-47-66-78-84-93-127
Grading, [124]
Grading, cost of, [156]
Grade stakes, [103]
Grades, computation for, [109]
Grades, how to establish, [107]
Gratings in Silt-basins, [148]
Hackensack meadows, [203]
Hay, [168]
Heat, amount of lost during evaporation, [34]
House drainage, [220]
House drainage, back drain system, [235]
House drainage bad, indicated by offensive smells, [239]
Indications of the need of draining, [9]
Injury from standing water in the subsoil, [15]
Impervious soil, [31]
John Johnson, [164]
Land requiring draining, [7]
Lateral drains, [61]-97
Lateral drains, direction of, [75]
Lateral drains, shallow, how connected with deep main, [111]
La Roche, quotations from, [213]
Levels, how to take for drains, [104]
Levelling instrument, (illustration), [52]
Levelling rod, (illustration), [53]
Location of main drains, [58]
Madden, Dr., quotation from, [12]
Main drain, [96]
Main drain, location of, [58]
Malaria [211]
Malaria borne by winds, [212]-214-219
Malaria conclusions of the General Board of Health of England, [220]
Malaria facts concerning, [212]
Malaria spread of, prevented by hills, [218]
Malarial diseases, evidence of the effect of drainage in removing, [216]
Malarial diseases, reports to the British Parliament concerning, [216]
Malarial diseases, rheumatism and tic-douloureux, [219]
Malarious localities, effects of residence in, [214]
Maps, amending the, [142]
Maps, description of, (illustrations), [49]-50-51-54-98
Maps, importance of, [48]
Marking the lines, [116]
Mechi, Alderman, quotations from, [29]-71
Mellowness or Porosity, [41]
Measuring staff (illustration), [124]
Metcalf, Dr., quotation from, [211]
Movement of water in the ground, [32]-64-65
Mortality, rate of reduced by improved house drainage, [222]