28 



ANALYTICAL KEY. 



PH PH PH 



S 



g 



< 



iS 



8 &q 



^ 

 3 



FN fe 



gH 



< 3 

 *d> 



b 

 . o 



2 tf H 



S w o 



3 cj o 



tf ^ 

 og 



2 * 



fe I 



i I 



l| 



be " 



> w 



!|~ 



iff 

 itfl 



T3 43 *3 

 tf C O 



*T -J 



PH 



