PZS. 188;i. 



9 x 2 4 



10 .2 4. 



8. 4- 



24- 



U ,7 



'd ■ 24 



4 X 24 



7 .12 



5x16 



6 , 28 



SOCOTRAN FRESHWATER SHELLS 



1 1 1 Godwin Austen, del et litli MadureA Macdonald.imp 



