328 INDEX. 



White on worms leaving their burrows at night, 14 

 Winchester, chalk formation near, 304 

 Wind, action of, on castings, 286 

 Worms, nocturnal, 13 



large numbers occasionally die, 14 



dead eaten by other worms, 34 



contents of intestines acid, 52 



their castings acid, 53 



power of suction, 58 



plugging up their burrows, 60 



intelligence of, 66 



formation of their burrows, 100 



number of, living in a given area, 161 



penetrating ancient walls, 190, 211 



gizzards of, and the trituration of the contained 



stones, 249 



prefer to live in fine earth, 294 



Wright, Mr., on the age of Wroxeter, 223 

 Wroxeter, old Roman town of, 223 



Zincke, Rev. F. B., on celts found at a depth of three 

 feet, 148 



