178 THE TORNADO OF 1851. 



missile which produced it, and such a missile could not have first passed through the small 

 hole in the curtain. Moreover, no further trace of it can be found, whereas a stone 

 thrown with sufficient force to make such a hole would have made a deep indentation, 

 and probably imbedded itself in the wall beyond. The only plausible explanation of this 

 phenomenon seems to be found in the agency of electricity. 



