68 



76. And now, if you will yourselves watch a few birds 

 in flicrht, or opening and closing their wings to prune 

 them, you will soon, know as much as is needful for our 



Fig. 8. 



art purposes ; and, which is far more desirable, feel how 

 very little we know, to any purpose, of even the familiar 

 creatm'es that are our companions. 



