ADDENDA et CORRIGENDA. 
Page. line. 
1&3 2&5 for oxygenatum, read oxygenizatum. 
11 10 and p. 15, 1. 17, for Felspar, read Feldspar. 
23 6&7 dele ‘‘ No. 2 was sent me with some others by my kind friend 
Colonel Walford.” 
80 8 dele ‘‘as they partly do.” 
9 dele ‘‘into”’ at the beginning of the line. 
47 24 for Sulfate, read Sulphate. 
53 4 for Commmon, read Common. 
57. 18 for Schorle, read Schorl. 
67 3 from bottom, for varety, read variety. 
73 6 for Var. read Div. 
79 after l. 1, insert Argilla marga. 
83 19 (for others, read other. 
89 5, for 2, read 4. 
101 after l. 1, insert Quartzum Lithomarga. 
107 26 for Eisen-thor, read Eisen-thon. 
111 25 for oxidized, read oxygenized. 
133 17&20 for Borrodale, read Borrowdale. 
149 4 for being, read been. 
155 16 for Schorle, read Schorl. 
157 add “Gathered by W. E. Sheffield, Esq. in a lead mine near 
Craven in Yorkshire.” 
162 last, for instanees, read instances. 
175 14 for Warsserblei, read Wasserblei. 
176 15 dele from “Ihave” to the end of the sentence. 
179 7 for coralloid, read coralliform. 
183 last, for 189, read 289. 
184 1 for 190, read 290. 
TE 
Printed by Richard Taylor and Co., Shoe Lane. 
