II. THE SWALLOW. 



S3 



of the two main masses, as the wing is opened 

 aro v,iobed. 



Fig. ■/ roughly represents the upper surface 

 of the main feathers of the wing closed. The 

 secondai ies are folded over the primaries ; and 

 the primaries shut up close, with their outer 

 edges parallel, or nearly so. Fig. 8 roughly 



Fig 7. 



shows the outline of the bones, in this position, 

 of one of the larger pigeons.* 



75. Then Fig. 9 is (always sketched in the 

 roughest way) the outer. Fig. 10 the inner, 



* I find even this mere outline of anatomical structure 

 so interfere with the temper in which I wish my readers to 

 think, that I shall withdraw it in my complete edition. 



