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Such passages are marked by (). Another form of brackets indicates that the included.
words are spurious.
 
I gladly avail myself of this opportunity openly to acknowledge the kindness of
Dr. BURNELL in leaving at my disposal his valuable manuscripts, and the friendly assist-
ance of my friend Dr. Rost in procuring me materials from the London libraries. Let
both receive my warmest thanks!
 
LEIDEN, July 10th 1874.
 
H. KERN.