ERR A TA. 



Part III. 



On page 167, line 6 from the bottom, for "Plate IV," read Plate VII. 



On page 184, line 5, for •' Bronson hill," read Bronsoii's kiln. 



On page 184, line 13, for " S. 28° E," read S. 28° IV. 



The same upon page 212, line 20. 



On page 187, line 16, " Mrs. M. Gale's" should be placed under Belmont. 



On page 187, line 35, " K. Hall's" should be placed under Gilford. 



On page 187, lines 4 and 5 from the bottom, for " south corner," read Strafford Cor- 

 ner. 



On page 188, last line, for "Newbury," read Sutton. 



On page 189, line 15 from the bottom, " E. C. Sanborn's" should be placed under 

 Ha7npton Falls. 



On page 194, lines 6 and 7 from the bottom, " Lufkin's and Howe's" should be placed 

 under Riitnford. 



On page 202, last line, insert " not" before distinguishable. 



On page 203, line 11, for " south-east," read south-west. 



On page 302, first line, for " rounds," read moimds. 



Part IV. 



On page 8, line 8 from the bottom, for " clacite," read calcite. 



On page 80, line 7 from the bottom, for " Fig. 2 on PI. 9," read Fig. 9 oji PI. 2. 



On page 102, in the formula, for "Al," read Al'^. 



On page 15, and elsewhere in the first chapter, for " pinnacoid," r&2.6. pinacoid. 



Part V. 

 On page 44, line 7 from the bottom, and page 45, line 26, for " slums," read slimes. 



