INDEX. 319 



Cellars, castings in, 107 



Cells, free, with calcareous matter in the calciferous 



glands, 48 



Cellulose, digestion of, 38 

 Chalk-formation, surface of, much denuded, 139 

 Chalk, residue of, forming a superficial deposit, 140 



fragments of, soon buried and corroded, 141 



formation of mould over, 300 



Ched worth, Roman villa of, 199 



Circular trenches near Stonehenge, 290 



Claparede on the structure of the intestines of worms, 19 



on the salivary glands of worms, 44 



on the calciferous glands, 45 



on the pharynx adapted for suction, 58 



doubts whether earth serves worms as food, 



104, 107 



on the gizzards of worms, 249 



Clematis, petioles of, used in plugging up burrows, 60, 



80 



Cobra-snake, intelligence of, 96 

 Collapsing of old burrows, 120 

 Concluding remarks, 308 

 Concretions of lime in the anterior calciferous glands, 47 



calcareous, use of, 55 



Corals, mud derived from, 259 



Corniche road, disintegrated castings on, 279, 284 



Croll, Mr., on denudation, 235 



Crowns or ridges on old ploughed fields, 295 



Currents of air, worms sensitive to, 29 



Dancer, Mr., on the action and number of worms, 148, 



162 



Deafness of worms, 26 



Debris over the Roman remains at Silchester, 203 

 Decay of leaves not hastened by the secretion with which 



they are bathed, 39 



