PLATE XXXII.— British Hydrachmid/e: The Genus Piona. 



t 



/ 



6W' 





^^>3. 



o oQV 



fllf 



■^ 



♦ _ t"^ 



h9»\ 



Til 









oil 





lo^o 



o.^-.a 



«/./^^ 



00) O 



% 



. ^ 



4M9i^^ 



From Drawings by 



CItas. D. Soar. 



