Mem. Ind. Mus., Vol.V, 1915. 



Plate IV. 



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7. 



la. 



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m 



m i.c 



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.b.rn. 



4. 



ce. 

 3. 



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5. 



6cL. 



A.C.Chowdtaiy, del. 



SPONGES OF THE CHILKA LAKE. 



ßemrose.Cotlo., Derby. 



