Geology and Mineralogy. 415 
their author on Virginia geolo They are reprinted just as 
they were originally published, with only such changes as Pro- 
fessor Ro a em are added 
flexures of the Appalachian rocks, the positions of ; 
strata, and various other stratigraphical points. To the report is 
Mon which was passed through in an artesian borin 
A section of the beds intersected is given; in its explanations 
6. Fulgurites in the High Alps.—M. Brun describes in a recent 
number of the Archives des Sciences, ete., of Geneva, the discovery 
Thielson. in Oregon (see this Journal xxviii, 252). 
The fulgurites are found on the highest point of the mountain, 
Or In one case on a ridge a few meters below the summit. The 
fused portion presents itself under various aspects, sometimes as 
4 collection of glassy beads a fifth of a millimeter in thickness 
an covering several square centimeters of the rock ; or again in 
hemispherical forms several millimeters in diameter and hollow 
Within. Sometimes vitritied sinuous lines 10 to 12 centimeters 
in length and coming to a common center are observed. In 
