PA LlJF! <XTT ID XpO ITS', YOli , U . 



(&t$k$hd fmm$ d^diimni^ 



(Tertiary) 



jpiiAtib a«. 



/fa. 



18 b 



IS. 



. 







KM 3-< 



B oweri* C ? lith. Philada. 



On Stone "byAXIbbc 



