E. S. Dana — Chondrodite from the Tilly-Foster Iron Mine. 83 

 Table IX. 



tliese minute planes almost always lie in the negative (lower) quad- 

 rants ; this has necessitated the drawing of some of the crystals in an 

 inverted position. The figures show, in addition to planes mentioned 

 in the tables, some others for which no symbols Avere obtained. 



Table X. 



