“SSV1Odg A1YVA OL ONV NN§ SHL 30 LVSH SHL OL G3S0dxXFq AYV SHOLVWO]L SYSHM 'GAHS ONITSSd-OLVWOL GNV GYVA S39VYOLS ‘AVA DNOYAA SHL 
PLATE III. 
Bul. 196, U. S. Dept. of Agriculture. 
an. Pr ay ~~ 
Ras eae - a 
5a Pa 
SN hae ee 
. 
~ = 
