22 
formation and deposition of the London clay, indicative of a sub- 
tropical, or very warm climate, with marine, freshwater, and land 
conditions. 
The great lapse of unrepresented time, between that and the 
overlying gravel (with its Mammalian remains, Mammoth, &c.), has 
been indicated ; the gravel belonging in part to the close of, or 
subsequent to, the glacial period. 
In reviewing the conditions under which the strata I have 
attempted briefly to notice this evening, were deposited, we 
perceive, that as in the present time, so in the long past periods of 
the history of the earth, the same adaptation of animal and 
vegetable life to the varying inorganic conditions existed at each 
great geological period, the same balance of power, the same order, 
harmony, and design; affording cumulative evidence of Creative 
intelligence and foresight, which he only can fully appreciate and 
admire, who seeks and follows out, with no blind or captious spirit, 
the true interpretation of the laws of Nature, by which the hills 
around you have received their form, and through which the ground 
beneath you has become the mausoleum of successive races of 
animated beings. 
