324
INDEX
- Sachs on living roots corroding rocks, 243
- Sage, leaves of, not eaten by worms, 33
- Saliva, doubtful whether any secreted by worms, 42
- Saussure, H. De, on brick-pebbles, 254
- Schmulewitsch on the digestion of cellulose, 37
- Scott, Mr. J., on worms near Calcutta, 123
- Seeds preserved in the burrows of worms, 115
- Semper on various animals swallowing sand, 103
- Senses of worms, 19
- Silchester, old Roman town, 201
- Silica, colloid, acted on by the humus acids, 242
- Sinking of the pavements at Silchester, 212
- Sites inhabited by worms, 9
- Smell, sense of, 29
- Social feelings of worms, 34
- Sorby, Mr., on the trituration of small particles of rock, 257
- Starch eaten by worms, 36
- —Starch digestion of the granules in the cells of leaves, 41
- St. Catherine's Hill, near Winchester, 302
- Stones, great, undermined by worms at Leith Hill and at Stonehenge, 148
- —Stones, small, heaped over burrows, 60
- —Stones, small, in the gizzards of worms, 247
- —Stones, rounded in the gizzards of worms, 249
- Stonehenge, great stones of, undermined by worms, 154
- —Stonehenge, circular trenches near, 287
- Structure of worms, 16
- Subsidence of the pavements at Silchester, 212
- Suction, power of, 56
- Sugar eaten by worms, 36
- Summary of whole book, 305
- Surface, objects strewed on, buried under castings, 130
