DELAWARE VAl.LEY ORNITHOLOGICAL OLtlB. 11 



I went immediately to look at them from below, but there 

 were but four in the chimnej' then. Another entered at 12:15, 

 but, possibly dititurhed by me as I changed position in the fire- 

 place, two lifted themselves out at 12:27. One returned almost 

 immediately and one came out at 12:28. There was no feeding 

 on either of these last entries. An old bird returned and fed 

 the right-hand young one at 12:38. It went out after the usual 

 half-minute's stay and returned at 12:62, to leave again after 

 feeding the left-hand young one. There was a great deal of 

 cheetering every time a bird entered the chimney, but none 

 when a bird left, unless it disturbed another on its way out. 

 The young birds were constantly shifting their positions. Sonie- 

 times they fluttered a good deal and moved down or up the 

 chimney; they did not shift right or left more than a half inch 

 unless they changed the wall on which to hang, which was very 

 seldom. The young birds generally hung two just below the 

 nest, and one below these two, but sometimes all three hung 

 close together, and sometimes the parent would renjain for two 

 minutes beside the young she had fed, but she very infre- 

 quently did this. Once when I climbed to the top of the chim- 

 ney I saw one bird hanging directly on top of anotlier, but 

 whether the two were in copulation I cannot gay. I had 

 thought this was the situation, as I looked up from below, and 

 I went to the top of the chimney to try to make sure. I was 

 summoned to lunch as I saw the old Ijird enter again at 1:12. 

 I heard a great cheetering at 1 :30, and left the table to look up 

 the chimney. There were but two young lianging tliere, one 

 below the other, and the mother was feeding the lower one. 



In a few minutes after I resumed my observations (at 2 

 o'clock), I saw an old bird enter, and she returned again at 

 2:20. Late in the afternoon there were but two birds in the 

 chimney, but from 2 until 3:40 there were three. Two hung 

 side by side, the mother feeding these oftener than the bird 

 which usuall}' hung just below. On one trip she visited all 

 three, but whether she fed all three I could not tell. The lower 

 bird seemed stronger than the other two, fluttering at times to 

 other positions, and it may be that the mother failed to visit it 

 every third time she came back from her sky-harvesting because 



