JOURNAL 



or 



THE ACADEMY OF NATURAL SCIENCES 



OF 



PHILADELPHIA. 



u- 



NEW SEEIES. YOL. YIII. PART III. 





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PHILADELPHIA: 

 PRIIS'TED FOR THE ACADEMY 



Coi.i.ixs" Pui.NTisG House, 705 Jayxk Strkkt. 



isn. 



