Tue Andean Soars or Science is publisn ¢ two montfis, on the Ist 
of January, March, May, aes September ate eee tk ‘ Suber of 152 pages each, 
making Two Volumes a meet ‘Subscription p' n advance 
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“Price for'complete set, unbound, $109 
2nd Ser., Sawaal cmap 1316, bey Prof. B. Spilkauie B. Sileeaat: Je, ’ 
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Volumes 10 and 20, of the 2nd Series, contain each a general Index to the preceding 
(0 volumes. : 
