AMERICAN ORNITHOLOGY. 



21 



they would emerge from some other crevice, and as they could go for 

 a long distance beneath the rocks we could not be positive just where 

 any particular bird would light before going to her young. Finally we 

 found one crevice where the same bird went four different times and 

 each time emerged from the same place; so we selected this one for 

 illustrative purposes. We concealed the camera as skillfully as we 

 could on a rock about four feet distance from the entrance and worked 

 the shutter with a long black thread which ran to our place of conceal- 

 ment. When we retired it was with very great doubts as to whether 

 the bird would use the same entrance now that the surroundings had 

 been added to, but fortunateiy she did not notice the change and we 

 were enabled to secure several very satisfactory pictures, 



Photo from life by C. A. Reed. 

 GUILLEMOT LEAVING XEST. 



Although we managed to move a great many of the boulders we were 

 unable to find either the young or eggs, they being deeper down among 

 the rocks where we were unable to penetrate. As so many of the birds 

 were carrying food, evidently for their young it is very doubtful if any 

 eggs could have been found at this date, July 21st. Not more than 



