i 88 o.] Correspondence . 343 
are apt to think that this wealth of colour and of design exists 
with reference to man. But suppose we take some such object 
as the hoof of an ox or an ass, cut a thin section of it in certain 
directions, and examine it under the microscope with the aid of 
polarised light : what about the wonderful play of colour then 
revealed to our vision ? Will any teleologist maintain that the 
minute structure of such hoofs was arranged with any reference 
to the fadt that after the lapse of many thousand years a few 
microscopists should detedt all this beauty ?— I am, &c., 
An Evolutionist. 
