PHILOSOPHICAL SOCIETY OF WASHINGTON. 159 



( 12 ). Mattaworaan, Maryland. 



As it disappeared, followed by a rumbling sound. 

 (13, 14, 15). Westminster, Maryland. 



Interval of 127 seconds; noise like a cannon, jarring 

 the windows, followed by a series of rumblings. 

 ( 11 ). New Market, Maryland. 



Interval of 4 or 5 seconds ; sound like a cannon. 

 (19,20). Sandy Spring, Maryland. 



Interval, 2 minutes ; sharp report like a cannon, 

 shaking the windows. 

 (21 to 29). Washington, D. C. 



At 1.42 P. M. an explosion similar to a heavy 

 cannon, shaking windows and doors, at an interval 

 after the disappearance of the meteor, variously esti- 

 mated; the most accurate observation being that of 

 No. 24, T. H. Gill, which gives from 145 to 150 

 seconds ; the explosion was followed for 20 seconds, 

 or more, by a rumbling noise. 

 ( 30 ). Alexandria, Virginia. 



Heavy concussion ; house trembled. 

 ( 31 ). P'alls Church, Virginia. 



Interval, 60 to 90 seconds ; noise like heavy cannon, 

 followed for 30 seconds by rumbling, fading away 

 in the east. 

 (32 & 33a). Fairfax Court House, Virginia. 



Concussion that shook the ground ; interval a few 

 seconds (possibly 45 seconds, according to Mr. S, 

 Simpson), followed by rumbling, rushing noises. 

 (33 h, c, d, e). Vienna, Virginia. 



Like loud clap of thunder. 

 ( 34 ). Centreville, Virginia. 



Explosion in the zenith. 

 ( 35 ). Accotink, Virginia, 



Short, hard report, like heavy cannon. 

 (36 & 31). Richmond, Virginia. 



Shook the ground and rattled windows. 

 ( 39 ). Waterford, Virginia. 



Noise like train of cars. 

 ( 41 ). Upperville, Virginia. 



Interval of 15 seconds ; sound like distant thunder. 

 ( 45 ). Harper's Ferry, West Virginia. 



During the whole apparition a sound like a sky- 

 rocket, but twice as loud ; after an interval of 3 

 breaths (equal to 20 seconds), came an explosion 

 like a well-charged musket. 

 ( 41 ). Raleigh Court House, West Virginia. 



Sound like that of distant thunder, to the southward.. 



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