MODERN EVOLUTION. 



233 



tween nerve-changes and consciousness; are all im- 

 penetrable mysteries. 



In his speech on the commemoration of the jubi- 

 lee of his Professorship in the University of Glasgow 

 last year, Lord Kelvin said, " I know no more of 

 electric and magnetic force, or of the relation be- 

 tween ether, electricity, and ponderable matter, or of 

 chemical affinity than I knew and tried to teach my 

 students of natural philosophy fifty years ago in my 

 first session as professor." 



This recognition of limitations will content those 

 who seek not " after a sign.". For others, that search 

 will continue to have encouragement not only from 

 the theologian, but from the pseudo-scientific who 

 have travelled some distance with the Pioneers of 

 Evolution, but who refuse to follow them further. 

 In each of these there is present the " theological 

 bias " whose varied forms are skilfully analyzed by 

 Mr. Spencer in his chapter under that heading in 

 the Study of Sociology. This explains the attitude 

 of various groups which are severally represented 

 by Mr. St. George Mivart, and the late Dr. W. B. 

 Carpenter; by Professor Sir Geo. G. Stokes, and Mr. 

 Alfred Russel Wallace. The first-named is a Roman 

 Catholic; the second was a Unitarian; the third is 

 an orthodox Churchman, and the fourth, as already 

 seen, is a Spiritualist. In his Genesis of Species, Mr. 

 Mivart contends that " man's body was evolved from 

 pre-existing material (symbolised by the term ' dust 

 of the earth'), and was therefore only derivatively 

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