CORRIGENDA. 



Page. line. 



2* 18 for Silica, read Silex. 

 24 for Silica, read Silex. 



for Siberian, read Siberian. 



for Ferrum argillaceum, read Ferrum oxygenatum; var. argil- 

 laceum. 



for Spec. 1. Argillaceous, read Spec. 3. Oxide of 



for F. L. S. read Tr. L. S. 



dele from, "They are," on I. 12 as far as " spiculse," on I. 14. and 

 read " They form an irregular echinated sphere, on a 

 gangue of Galaena or Sulphuret of Lead." And on I. IS 

 add " They are found to be fusible by the blowpipe." 



for Gen. 6. read Gen. 5. 



from the bottom dele " and 131." 



for Gorm read Gorum. 



for 147 read 146. 



for Ironey read Irony. 



for Spec. 4. read Spec. 5. 



from bottom for species, read variety. 



for sulphuretum, read sulphureum. 



for stellate, read stellated. 



3 



21 



9 



2 





5 



11 



2 



15 





31 



5 



51 



3 





13 



87 



1 



95 



3 



101 



5 



131 



5 



135 



2 



137 



** 



