OJFIFIOE OIF 
sc. Exchanges Made in Recent and Fossil Shelu and Plants. 
^ ^ Large Collections of Florida Species for Exchange. 
Astronomical Calculations 
Made for Almanacs for All Countries. 
Manuscripts for 1889 Now Ready. 
Unionidae a Specialty. Specimens Named. 
Lists of Disioerata and Duplicates Exchanged. 
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