Many plates enter the dish, but few gems emerge. 73 
lowest visible portion of his left wing. Most mistakes in field- 
photography are due to getting flurried ; therefore it is well to try 
and proceed slowly and methodically, even if seconds seem precious. 
Lastly, a riicksack is the most convenient means for transporting 
apparatus, and the safest, because a heavy bag swung over one 
shoulder is likely to suddenly shift when you are in some awkward 
situation and shake your nerve, if it does nothing worse. 
