PLATE IV. 



Fig. I. Indented chondrule. Allegan meteorite. 



2-7 inclusive. Fragmental chondrules showing old surfaces of fracture, 

 indicating that the chondrules were fragments at the time of the 

 consolidation of the stone in its present form. Actual sizes : fig. 

 I, 2 mm.; figs. 2, 3 and 4, about 3 mm.; fig. 5, 4 mm. in length ; 

 figs. 6 and 7, 8 mm. 



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