HABITS OF AMERICAN WOODCOCK 143 



the photograph was made on a dark day during 

 a shower, the ray filter (which trebles the length of 

 exposure), and the smallest diaphragm were used, 

 and that an exposure of ninety seconds was given. 

 Yet there is no sign of movement. The question 

 has been frequently asked, " Did she know that she 

 was discovered ? " It is probable that she did, for 

 even with her knowledge of her protective colora- 

 tion it is doubtful whether she carried her belief in 

 it for quite such a length ; but why did she sit so 

 absolutely still ? 



