﻿Huntington — Crystalline Structicre of Iron Meteorites. 295 



of Wichita Co., Grlorieta, Red River, Robertson Co., Dickson 

 Co., Oldham Co., Jewell Hill, Obernkirchen, Tazewell, Butler, 

 Walker Co., Coahuila, and Hauptmannsdorf, presenting regu- 

 lar gradations in which there is no gap at which a definite line 

 of demarcation can be drawn. 



9. 



Robertson County. 



Moreover, there is no difference in crystalline form even so 

 slight as that between the three fundamental forms of the iso- 

 metric system. For, as has been shown, the coarsest Widman- 



A.M. Jour. Sci— Third Series, Vol. XXXII, No. 190.— October, 1886. 

 19 



