INDEX. 



Abinger, Eoman villa at, 180 



, castings from Eoman villa at, with rounded 



particles, 256 



Acids of humus, action on rocks, 242 

 Africa, dust from, 237 

 Air, currents of, worms sensitive to, 29 

 Amount of earth brought to the surface by worms, 131 

 Ants, intelligence of, 95 

 Archiac, D', criticisms on my views, 4 

 Artemisia, leaves of, not eaten by worms, 34 

 Ash-tree, petioles of, 81 



Beaulieu Abbey, burial of the old pavement, 195 

 , castings from, with rounded particles, 



258 



Beaumont, Elie de, on vegetable mould, 2 

 ' on the rubbish underlying great cities, 



180 



on the transport of dust, 239 



on the permanence of mould, 292 



on the permanence of ancient tumuli, 



293 



Beech-forests, stones not buried under by castings, 146 

 Bengal, worms of, 125 

 Boa-constrictor lubricating its prey, 44 

 Bones, crushed, burial of, under castings, 148 

 JBrading, Koman villa at^201 



