ERRATA, 



Page 552, line 18, from top, for ' remarks on the,' read various, 



„ 552, line 22, from top, for ' variation of the wind,' read aspect of the sTcy. 



„ 555, line 7, from bottom, omit the parenthesis. 



,, 555, line 5, from bottom, omit the parenthesis, and insert but. 



Preface, pages vii, viii, for ' resin,' read rosin. 



