ERRATA. 
Page 143 line 7 from top, for twenty read one hundred and 
{4 
ce 
&e 
(19 
ce 
twenty. 
172 line 10 from top, for 4, read }. 
264 “ 3 from bottom, for folius read foliis. 
266 * 13 in demonstrations omit the final s. 
282 “ 6 from bottom, for Dr. Pursh read Dr. Parish.. 
338 “ 4 and 14 from top, for spiculz read spicula.* | 
N. B. The articles of intelligence at page 166 of this volume, 
were communicated merely as materials to be arranged and digest- 
ed by the Editor, and not to be published in that form. 
* 1t was spicula in the MS. 
+0 QO«-- 
DIRECTIONS TO THE BINDER, 
Plates at the end. 
Plate I. 
Plate I. 
Plate If. on mathematics. 
Plate III. on mathematics. 
Fifth, Professor Hare’s plate on the Blowpipe, &: 
Sixth, the remaining plate on Eudiometers. 
