4. X 12 



5 K 12 



FZ S. 1885 PI 



3c. X 20. 



3b. 



<fS 



3. x7. 



2 a. 



2i. 



2. x7. 



lb. 



1 X 4. 



SOCOTRAN FRESHWATER SHELLS. 

 IH. Godwih-AusLen. del e.t kth. Maclure &- Macdonald, imp 



