ROBIN ROOSTS. 159 
tween 6.40 and 7.30, 1285 birds came, as 
compared with 1072 last evening.” 
Two days afterward (July 31st) I went to 
the western end of the wood, and found the 
influx there much smaller than on the oppo- 
site side; but I arrived late, and made a 
partial count only. After sunset 186 birds 
were seen, whereas there had been 455 en- 
tries at the eastern end, two nights before, 
during the same time. 
Thus far I had always been too late to 
witness the beginning of the flight. On the 
evening of August Ist I resolved to be in 
season. I reached the border of the pond 
at 5.15, and at that very moment a single 
robin flew into the wood. No others were 
seen for eighteen minutes, when three ar- 
rived together. From this time stragglers 
continued to appear, and at 6.30 {I had 
counted 176. In the next ten minutes 180 
arrived; in the next five minutes, 138. Be- 
tween 6.45 and T, I counted 549; then, in 
six minutes, 217 appeared. At 7.25, when 
I concluded, the figures stood at 1533 birds. 
For about twenty minutes, as will be no- 
ticed, the arrivals were at the rate of thirty- 
six a minute. Throughout the thickest of 
