INDEX. 479 



z. 



Zoophytes and molluscous animals. — 

 Their organic remains form no in- 

 considerable portion of the earth's 



surface, 75; may have the power of 

 secreting the calcareous matter of 

 which their fossil remains are chiefly- 

 composed, 76. 

 Zdckslein, or magnesian limestone, 170. 



ERRATA ET ADDENDA. 



Page 25, line 35, after discovered, add in solid strata. 

 240, line 10, for Dux, read Dax. 



343, line 18 from bottom, for 7niles square, read square leagues in extent. 

 356, line 16, for Rhi^ie, read Rhone. 

 358, line 18, for Rhine, read Rhone. 



