ROBIN ROOSTS. 159 



tween 6.40 and 7.30, 1235 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 1st 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 7, 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 



