69 
or less iron -pyrites disseminated throughout them, and are 
also saturated with water. I hope soon to determine 
quantitatively the reaction which occurs in the above ex- 
periment. 
Mr. R D. Darbishire, F.G.S., exhibited a picture, which 
he had received from a Japanese gentleman, as one of re- 
mark able excellence and beauty and value in Japan. It 
represented the Buddhist Trinity seated amidst a court of 
personages in attitudes of veneration on a complicated open- 
air platform arrangement, in a sort of park, surrounded with 
gardens and small edifices or “ temples,” severally occupied 
by groups of saints (? or images) and attendants (or wor- 
shippers). Above this part of the design was a white region, 
with groups of personages floating on gorgeous clouds, amidst 
flying musical instruments and flowers ; and above that a 
deep blue “ firmament on high,” with similar occupants and 
enrichments ; every floating thing in each space being 
adorned with waving streamers of various colours. 
On the whole platform and park were crowded groups of 
persons, many distinguished with a saintly nimbus round 
the head, and some with a flaming one, enveloping the 
figure from head to foot ; the groups apparently representing 
Buddha and attendants, or various scenes of adoration, or 
trance, or mere tranquil enjoyment, in houses, gardens, or 
the water. 
On each side of this principal illustration and below it 
were about fifty separate vignettes of much the same general 
character as those of the groups first mentioned. 
The whole design included many scores of figures, much 
