THE NOMENCLATURE OF THE LAWS OF ASSOCIATION. 93 
blance to the sound, but associated with it in consciousness at thetime. The arrows point 
in the line of suggestion, 
$s. AS 
S2 
Allscience is not reducible, as some have supposed, to mere exactness of nomenclature ; 
nor, when terms have become fixed in general usage, is it desirable to introduce the 
confusion which almost inevitably results from a change. But the present case is one in 
which usage is still vacillating, and for that reason it appears to me that an improvement 
would be reached in psychological nomenclature, if for Law of Similarity were substituted 
Law of Immediate and Intrinsic Association, for Law of Contiguity, Law of Mediate and 
Extrinsic Association. 
