318
INDEX.
- Digestion of worms, 37
- —Digestion extra-stomachal, 43
- Disintegration of rocks, aided by worms, 240
- Distribution of worms, 120
- Down, amount of earth here brought annually to the surface, 137
- Downs near Winchester, valleys in, 301
- Dust, distance transported, 235–237
- Earth, amount of, brought to the surface by worms, 129
- —Earth, amount of, which flows down a given slope, 266
- —Earth, swallowed as food, 100
- —Earth, weight of, ejected from a single burrow, 160
- Eisen, number of species of worms, 9
- —Eisen, depth of burrows, 110
- Ejection of castings, 116
- Embankments on hill-sides, 278, 282
- Encampments, ancient, 290
- Ernst, Dr., on worms at Caracas, 121
- Excavation of the burrows, 98
- Fabre, M., on the instincts of Sphex, 93
- Farrer, Mr. T. H., on the Roman villa at Abinger, 178–188
- Fat eaten by worms, 36
- Fields formerly ploughed, 292
- Fish, Mr., criticisms on my views, 6
- Flints, standing vertically in the residue over the chalk, 138
- —Flints, acted on externally and internally by atmospheric agencies, 245
- Flowing down of castings, 261
- Fluid, digestive, of worms, 37
