Vol. VIIL—Page 225, sine 19, i top,) for secondary read iransition. 
« 928, 28 & after Porcelain Clay and rose- 
red i for ai do. read at B 
« 930, The Carbonate of Ir Tron, Amethyst, Quart os Idocrase. 
* sho orbs ited to Messrs. 8. 'T or and T. 
Hi. 
“ 6396, line Ds irom tops) ie truncations read terminations. 
Yo IX— “ 2  2,(from bottom;) foi ite valves read bivalves. 
ss 5, for em a 
“ e ® 16, (fe xp) f for 7 ad ‘then 
‘Ce, 4 -$, ah mctat-dale 
it 15, “ by er aaa i evita bl 
& 16, sf sbi Bottom,) fo ‘or Dis d Diodorus. - 
a, eo CAA , oo tops) A arte he ~* re the 
« 80, “5& eee ead experiments. 
ioe, ae _ “of ager feat Wager. 
2 ~ % 6s be 95, — ve 
a ae .  %, * " ie bottom) aaa 5. heed measu 
f * 101, “§ for 8. 
- “ 320, 12, ae ie oh Dana read gen J. F. Dana, | 
% In No. I. es a: ‘ites : and so those succeeding XIV, 
: are incorrectl red; they may be Beas Aharyy ra referring to the cover. _ 
+ In No, i. Plate IV, Fig. 6.—In the deli tion of the balance beam, | 
oe. 
ing rd lems 
‘ Pe 
- 
