Illustrations of the Auatoiiiy ruid of Shells 479 



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10 





15 



16 



17 



20 21 



18 



22 23 



19 



24 



25 



30 31 



26 



27 



28 29 



32 



33 34 



^' ' ^i ■■■ ^^ 



35 



36 



37 38 



39 



42 



40 41 



43 



44 



PLATE 121 



