DRRATA. 
Page 39, bettom line, for read 5. _ 
= hy 
¥ 
182, 
185, 
187, 
189, 
208, 
375, 
376. 
eae 477, line 2, for requere read requas¢s. 
a 
23, for were read was. be 
3 from bottom, for zereased vead inareaseyl. 
bottom line, for b read by. 
16 from top, for Ice and read Icelomzd. 
22, for vishle read visible. 
8 from bottom, for entirey read entirely. 
11 from bottom, for veriolus read varolous. 
20 trom top, for Mineraloy read Mineratagy. 
27 from tep, for 9. 4D. read J, E. PB. 
