CENTURY VIII. 57 



coming into sudden darkness induceth an offer to 

 shiver. 



Experiment solitary touching the super-reflexion of 

 echoes. 



794. There is in the city of Ticinum 1 in Italy, a 

 church that hath windows only from above : it is in 

 length an hundred feet, in breadth twenty feet, and in 

 height near fifty; having a door in the midst. It 

 reporteth the voice twelve or thirteen times, if you 

 stand by the close end-wall over against the door. 

 The echo fadeth, and dieth by little and little, as the 

 echo at Pont-Charenton doth. And the voice soundeth 

 as if it came from above the door. And if you stand 

 at the lower end, or on either side of the door, the 

 echo holdeth ; but if you stand in the door, or in the 

 midst just over against the door, not. Note that all 

 echoes sound better against old walls than new ; be 

 cause they are more dry and hollow. 



Experiment solitary touching the force of imagination 

 imitating that of the sense. 



795. Those effects which are wrought by the per 

 cussion of the sense, and by things in fact, are produced 

 likewise in some degree by the imagination. There 

 fore if a man see another eat sour or acid things which 

 set the teeth on edge, this object tainteth the imagina 

 tion ; so that he that seeth the thing done by another, 

 hath his own teeth also set on edge. So if a man see 

 another turn swiftly and long, or if he look upon 

 wheels that turn, himself waxeth turn-sick. So if a 



1 That is, Pavia. For an account of the echo there, see Maiolus, Diet 

 Caniculares. 



