BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA 



CORRECTIONS AND INSERTIONS 



All contributors to volume 15 have been invited to send corrections and inser- 

 tions to be made in their papers, and the volume has been scanned with some care 

 by the Editor. The following are such corrections and insertions as are deemed 

 worthy of attention : 



Page 2, line 14 from bottom ; for "Thus it is said that as early as Origenes, 600 

 B. C," read Thus it is said by Origenes, that as early as 600 B. C. 

 Page 311, line 12 from top; for "cleavage" read cleavages 

 " 329, " 13 from top ; for (i plate 21 " read plate 15 

 " 348, " 11 from bottom; for " 1890" read 1900 



" 376, lines 15 and 17 from bottom; for "It de with clines" read It declines 

 with 



