XXX11 INTRODUCTION. 



of the soul, the nervous fluid or power, to 

 every motive organ. It is a substance calcu- 

 lated to convey instantaneously that subtile 

 agent, by which spirit can act upon body, 

 wherever the soul bids it to go and enables 

 it to act. When death separates the intel- 

 lectual and spiritual from the material part, 

 the introduction of a fluid homogeneous with 

 the nervous, or related to it by a galvanic 

 battery can put the nerves in action, lift the 

 eye-lids, move the limbs, but though the 

 action of the intellectual part may thus be 

 imitated, in newly deceased persons, still 

 there are no signs of returning intelligence ; 

 there is no life, no voluntary action, not a 

 trace of the spiritual agent that has been 

 summoned from its dwelling. Whence it 

 follows, that though the organization is that 

 by which the intellectual and governing 

 power manifests its presence and inhabitation, 

 still it is evidently something distinct from 

 and independent of it. 



Mr. Lyell has so fully considered that part 

 of Lamarck's hypothesis which relates par- 

 ticularly to the transmutation of species, and 

 so satisfactorily proved their general stability, 

 that it is unnecessary for me to enter more 



