168 A. W. Wright— Gases contained in Meteorites. 
: eee ara The celestial origin of the Ovifak iron is vety 
“a : 
of 
detected 
the fact that the former numbers were calculated from the 
change in the reading of the gauge of the air-pump on evolution 
of the gas, and were not corrected for the small amount 0 
: a rough estimate. In the case of - 
Arva iron, where the volume of the gas was much larger; 4 h 
was not serious, and the volume corresponds mue 
