ERRATA. 
Page 143 line 7 from top, for twenty read one hundred and 
172 line 10 from top, for 1, read } 
“ 264 “ 3 from bottom, far folins read ais 
266. © 13 in demonstrations omit nal 
282 “ 6 from bottom, for Dr. Pursh read Dr. ‘Parish, 
“* 338 “ 4 and14 from top, for spicule read spicula.* 
B The articles of intelligence at 166 of this volume, 
wer communicated: as fo be: eee a 
y.tbe eae oot not to be published in that form. 
* 1t was spicula in the MS. 
~»@B0«-- 
DIRECTIONS TO THE BINDER. 
Plates at the end. 
~ Plate I. 
Plate II. 
Plate IL. on mage Be 
_ Plate III. on mathema 
Fifth, Professor Hare’s ‘late on the Blowpipe,& &e: 
Sixth, the remaini ing plate on Eudiomet 
iat wh US bh te Sd a 
