180 



NINETEENTH REPORT 



B 



'3 



o, 



a 



d 



be 



"o 

 u 



3 

 is 





i-H 



<u . 



t-i >n .' 



O --K 3 0) 



CO 



G 



fc£ 



■" I- O 



o x: CO 





O 



C8 m 



— H to 



CS 





en 



to 



£ 



O 



u 

 o 



