326 INDEX. 



Rolling down of dry castings, 278 



Romanes, Mr., on the intelligence of animals, 97 



Sachs on living roots corroding rocks, 245 



Sage, leaves of, not eaten by worms, 34 



Saliva, doubtful whether any secreted by worms, 44 



Saussure, H. de, on brick-pebbles, 257 



Schmulewitsch on the digestion of cellulose, 39 



Scolopendra attacking worms, 65 



Scott, Mr. J., on worms near Calcutta, 125 



Seeds preserved in the burrows of worms, 117 



Semper on various animals swallowing sand, 104 



Senses of worms, 19 



Silchester, old Roman town, 203 



Silica, colloid, acted on by the humus-acids, 244 



Simpson, Mr., on worms dragging leaves, 60 



Sinking of the pavements at Silchester, 214 



Sites inhabited by worms, 9 



Smell, sense of, 29 



Social feelings of worms, 35 



Sorby, Mr., on the trituration of small particles of 



rock, 260 

 Stanley on peewits beating the ground, 28 

 Starch eaten by worms, 37 

 digestion of the granules in the cells of leaves, 



43 

 St. Catherine's Hill, near Winchester, 305 

 Stones, great, undermined by worms at Leith Hill and at 



Stonehenge, 151 



small, heaped over burrows, 63 



small, in the gizzards of worms, 250 



rounded in the gizzards of worms, 252 



Stonehenge, great stones of, undermined by worms, 157 



circular trenches near, 290 



Structure of worms, 16 



