234 THE ANIMAL KINGDOM. 



dweller within that little brain, instinct or intelligence 

 governs the whole of this material frame. We have learned 

 works on the phenomena of motion or the physiology of 

 the nerves, theories plausible and wild concerning this 

 organ of the mind, and we feel keenly how very slight a 

 jar may trouble for ever the right action of the intellect ; 

 but we really have little knowledge beyond the mere struc- 

 ture of the Brain, and we gaze wistfully,, it may be, at the 

 most difficult of all preparations to prepare satisfactorily. 



All these preparations may be procured at Baker's, from 

 fifteen pence to two shillings 



