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not a few, may be necessary. Information of necessary additions 
or corrections is desired. 
Criticism of the manner in which the work has been done may 
be deserved; there can fairly be none, however, of the intent, 
which is, to magnify the wonders of Nature, and prompt the 
student, to look beyond Nature’s merely outward appearing. 
Whatever of value the following pages possess belongs in 
largest measure to the help of kind friends ; whatever of incor- 
rectness and imperfection to the writer. 
JAMES L. BENNETT. 
PROVIDENCE, September 1, 1888. 
