MID-APRIL 61 
image as possible of the foreground and 
background as well as of the nest. I knew 
the subject would require at least three 
minutes exposure at this aperture, since 
sa ON A, ile 
PLATE XVIII: Ringdove or woodpigeon. 
(+ size). 
Male 
there were thick trees overhead. She actu- 
ally allowed me to expose twice for this period 
of time without moving a feather. I am 
sorry to say, however, that the picture showed 
