W. M. Foote — Shoiver of Meteoric Stones, Arizona. 443 



l cm diameter. The most deeply and unusually marked brust- 

 seite found was on a large stone of 2,400 grams, shown in 

 figures 6 and 7. The wholly unique character of this 

 piece suggests that it was the front end of the original large 

 mass, or one of several large masses, which entered the earth's 

 atmosphere. Here the lines of flow are merged and sometimes 

 originate in deep pits, or piezoglyphs, probably caused by a 



Fig. 6. 



Fig. 6. Brustseite with deeply marked radial fusion flow (reconstructed), 

 x 0"64 diameters. See also Fig. 7. 



differential fusing or fracturing of the surface from heat and 

 very rarely by the burning out of nodules. Unfortunately the 

 finder of this mass treated it with scant respect, and it reached 

 Philadelphia in three fragments scattered among thousands of 

 other stones. The edges were much bruised from rough hand- 

 ling, so that the reconstructed corner and cracks, shown plainly 



