NESTING OF THE HOBBY IN HAMPSHIRE. 319 



outer primaries being separated at their tips and the 



posterior contour then falling away rather abruptly to 



the general curve of the remainder. The accompanying 

 diagrammatic sketch will explain. 













The Hobby's nest with two young a few days old, 



as viewed from an adjacent tree. 



{From a sketch by Commander Lynes.) 



Whether sexual difference in wing-contour is a constant 

 feature in these falcons, such as has been stated of the 

 Lapwing, or was merely an individual peculiarity of this 

 particular pair of birds, is a question perhaps best referred 



