DISSECTED SPECIMENS AND A MODEL. 

 The first bottle on the right :— dissected snail, Etilota quicsita. 

 The second bottle: — dissection of Anodouta. 



The third and fourth :— dissected specimens of the Pearl Oyster containing pearls. 

 The model in the rear represents a dissected specimen of Helix pomatia. 



m m m * &m m 



g| g\] n m- ftjl'-jlltnj II Helix pomatia Cb & glj ^ 32 7/ *J • 



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