SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. 143, NO. 4, PLATE 5 



A, B, A second Empire, Ga., tektite specimen, ammonium chloride smoked. 13.4 g. USNM 



1396, X 2. 

 C, D, Plainfield, Ga., tektite, ammonium chloride smoked. Property of G. A. Bruce. 11.2 g. X 2. 



