Plate ni 



/A\;wow/^shHwf °^^;"-^'"'« ^'"'Pmns L., Great Britain, illustrating variati. 

 .^«to^^P. .shHtere.l coast: f25. (3) yewMiay. j.n veincl and co loure.L. rock : (4), Pi 



ation. 

 Heriii, 



Variation in the local races of Tbais iapillus as 

 illustrated by Rev. A. H. Cooke in Mollusca, 

 V. Ill, Cambridge Natural History, 1895 



