______ • 
□ * 1-15 April 
0-*6-31 April 
( > o birds 
@* 1-10 " 
0 * 11-25 * 
0 * 26-50 * 
O-50-100 » 
^■101-500" APRIL 
#*500+ * SI-MNH-38 (Ri». 9-65) 
