Plate IV. 



jiuu/i/ciaey Cooo<fz.i^ 



\~' ^^e/6 C4»<^»z^ 



g^ 



zsé 



s/v. 



Soo. Sov. 



55^ 

 600, 



^S/. 



ÏÏ5 



^hûéL^, 



