Trmraau'W of At i>eoUfiail Sode^ VotA.PLATEG. 



Ful /. 



Fig. 2. 



J Schur. 

 J Irraniu 



'BTMu OJicO. 



Gra.ni-i^e- and /'ryrpkyty irrave?'si».p^ ihe Sr/u'.y/ of Crr^fr/:/u/n . 



I^uilifhed by WThUii/v XffndcmStj . 



