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I 



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2 /,:^' ^^ 







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2 yy. 6o. 



I, 2. The Tissue. 3- Scarce Tissue. 



6. The Brown Scallop. 



><C 



L i6o. 

 4, 5. The Scallop Shell. 

 v7, 8. The Dark Umber. 



