MEMOIRS of the NATIONAL ACADEMY of SCIENCES 



VOL. IX FIRST MCMOIR 



Plate XXX 







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Fig. 



A. S. CAMPBELL ART CO. 



Fig. 3 



Fig: I. ANISOTA STIGMA stages 

 Fig. 2. ANISOTA STIGMA stage 3 

 Fig. 3. ANISOTA STIGMA stage 4 



