□ - 1-15 April 
0-*6-31 April 
0 = 0 birds 
1-10 * 
0-11-25 " 
0*26-50 • 
O- 50-100 ■ 
#- 101 - 500 " 
APHIL 
fp«500+ * SI-MNH-38 (Rlv« 9-65) 
