72 NATURE AND THE CAMERA 



them a clear view of the camera or other offending 

 object. 



Throughout this work the bird photographer 

 must be quick to avail himself of favourable condi- 

 tions and ready to overcome the endless difficulties 

 which will at one time or another beset his path. 

 The powers of resource combined with patience have 

 more to do with the success of the work than the 

 following of rules and formulas. The truest proverb 

 to be borne in mind by the bird photographer is that 

 *' necessity is the mother of invention.'' Being al- 

 ways ready with expedients does much to insure 

 success. 



