EER .A. T A. 
[in appendix C.] 
On page 53, line 27, strike out one “ which.” 
On page 54, line 12, read “Tantalates ” instead of “ Tentalates.” 
On page 56, line 22, read “ 4 ” instead of “ 3.” 
On page 57, line 4, read “ Morganton ” instead of “ Norganton.” 
On page 5S, line 6, read “ corundum ” instead of “corrundum.” 
On page 58, line 7, begin a new line with “ A very beautiful * * * ” 
On page 58, line 9, read “ county ” instead of “ coounty.” 
On page 58, line 22, read “ Hill ” instead of “ Hill.” 
On page 59, line 32, read “ Ashe ” instead of “ Wilkes.” 
On page 60, lines 11 and 12, read “ at the Steele Mine, Montgomery,” instead of “ Davidson.” 
On page 60, line 31, read “ gneissoid ” instead of “ genissoid.” 
On page 61, line 5, read “ octahedral ” instead of “ octrahedral.” 
On page 61, line 7, read “ Piudesill ” instead of “ udesill.” 
On page 61, line 25, read “ forty ” instead of “ fortyeight.” 
On page 61, line 29, read “information ” instead of “ infermation.” 
On page 62, line 18, read “Guilford ” instead of “ Cabarrus.” 
On page 64, line 1 2, read “ trichite ” instead of “ tritchite.” 
On page 69, line 13, read “ mine ” instead of “ mtne.” 
On page 72, line 11, read “ manganese ” instead of “ maganese.” 
On page 72. line 35, read “ Katharinenburg ” instead of “ Katharineberg.” 
On page 74, line 17, read “ Steele ” instead cf “ Steel.” 
On page 76, line 1, read “ Euclase ” instead of “ Enclase.” 
On page 78, line 19, read “ Penninite ” instead of “ Peninite.” 
On page 82, line 13, read “ Torbernite or Autunite ” instead of “ Torbenite or Antunitel.” 
On page 82, line 20, read “ scheelite ” instead of “ sheelite.” 
On page 83, 1 ne 9, read “ scheelite ” instead of “ sheelite.” 
On page 83, line 19, read “Orchard ” instead of “orchard.” 
On page 86, line 13, read “form ” instead of “from.” 
