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c2 
Donors. 
H. Dircks, Esq. 
The Author. 
The Authors. 
The Author. 
The Observatory. 
The Authors. 
The Author. 
The Geological Institute, 
Vienna. 
The Author. 
The Author, by R. Mallet, 
F.R.S. 
The Editor. 
The Author. 
Dr. Sharpey, Sec. R.S. 
The Author. 
The Author. 
The Author. 
The Editor. 
The Editor. 
The Editor. 
The Editor. 
The Editors. 
