IV. SELECTION OF SITE FOR OUTFALL SEWER.
V. VOLUME OF SEWAGE
VI. GAUGING FLOW IN SEWERS
VII. RAINFALL
VIII. STORM WATER IN SEWERS
IX. WIND AND WINDMILLS
X. THE DESIGN OF SEA OUTFALLS
XI ACTION OF SEA WATER ON CEMENT
XII. DIVING
XIII. THE DISCHARGE OF SEA OUTFALL SEWERS