PL IV. 



V. H B*i!jr, del eb htk 



1 JL_O Cidaris Miletensis, 

 - 2. a._ f Echinus Duciei , 

 3 L_d EehuaolAjripa-fl Deshajesii, Desor 



Prmted by Hullma-neW. i"V7aIto*i. 



Forbes 



