loo AMERICAN ORNITHOLOGY 



obscure the view, and also for tying the tripod legs to the branches 

 when it is necessary to do aerial photography. For work about the 

 nests a long rubber tube is a necessity to set off the camera shutter. 

 About forty feet of this tubing will generally answer. A good mirror, 

 not less than a foot square will often enable you to throw the sun light 

 on nests that it would otherwise be difficult to photograph. Of course 

 you will need a good pair of field glasses, both to find the nests and to 

 watch the birds so as to know at just what instant to make the exposure. In 

 selecting these you should get a pair that has a wide field or angle of view. 



Fig. 



Photo from life. 



INDIGO BUNTING. 



A glass that will magnify three diameters is plenty strong enough for 

 all work, and anything more powerful will have a narrower angle of 

 view. 



The photographs shown with this were taken at various times during 

 the past summer and furnished subjects for several interesting rambles. 

 The Bluebird shown in Figs. 1 and 2 is the female who is just about to 

 enter the hole in front of her, at the bottom of which are five light 

 blue eggs. This nest is about twelve feet from the ground in a large 

 apple tree. The only possible location for the camera was a single hor- 

 izontal bough just below the nest. The camera was strapped firmly to 



