XX PRO CESS-BLOCKS AND OTHEE ILLUSTRATIVE FIGURES. 



Fig. Page 



1. Experiment commenced on April 3rd, and concluded on 



June 12th, 1895 718 



2. Experiment commenced on March 24th, and concluded on 



June 7th, 1895 718 



Folding Tables. 



I. The British distribution of the graptolites in the Tarannon district. 



facing 692 



II. Comparative table of the graptolites of the Tarannon district, 



showing their geological range and distribution, facing 692 



III. Correlation of the Tarannon rocks, facing 692 



