124 INDEX. 



Concealing the Camera, 61, 89 



Tent, 75 



Concealment, Photography by, 58 

 Count, Birds' Inability to, 66 

 Crowbar for Cliff-work, 95 



Dark-slides, Reliability of, 31 



Descending Cliffs, 96 



Deserting Their Nests, Birds, 59, 



85 



Detail in the Image, 27 

 Distance of Camera from Nest, 86 

 " Double Method," The, 59, 61, 69, 

 Dry-walling, Difficulty of, 70 

 Dummy Camera, 79 

 Dwarf Legs, 17 



Exposure Meter, 115 

 Exposure, Notes on, 26, 28, 30, 35, 

 43, 49, 57, 106, 109, 110, 114. ' 



Over, 27 



Under, 26, 49, 89 



Exposures in Colour-photography, 



115 



Instantaneous, 106, 109, 



110 

 Time, 28, 35, 43, 50, 99 



Field-cameras, 10 



Fixing the Camera Among Branches 



40 



Flight, Exposures for Birds in, 110 

 Photographing Birds in, 99, 



105 



Focal Length of Lens, 16 

 Focal-plane Shutter, 13, 15 

 Focussing, Notes on, 31, 79, 88, 108 

 Food, Attracting Birds with, 87 

 Forsaking their Nests, Birds, 59, 85 

 Frame-work of the Hiding Tent, 74 

 Friction of the Ropes, 102 



Gloom, Nests in Deep, 30 

 Ground, Nests on the, 27 

 Grouse, Stalking a, 56 



Halation, 42 



Hand-cameras, 14, 35 



Hand-rope, 93, 95 



Haulers, Notes on the, 97, 100 



Hearing, Birds' Power of, 65, 83 



Hedge-row Birds, 60 



Nests in the, 32 



Hide Made of Branches, 69 



Natural Objects, 68 



Rocks, 70 

 Turf, 70 



Hiding-tent, The, 71 



Concealing the, 75 



Frame-work for the, 74 



How to Make a, 72 



Hiding- tent, Legs for use in a, 17 



Sinking the Floor of a, 71 



Hiding the Camera, 61, 89 



Imperceptible Movement, 55 



Inanimate, Work on the, 5 



Islet, Getting the Camera to an, 43 



Ladder, The Uses of a, 32, 36 

 Lapwing, 63, 83 

 Leather Tubing for Rope, 102 

 Legs, Camera, 16 



Dwarf, 17 



Supplementary, 32, 40, 42 



Lens, Birds' Fear of, 77 



Notes on, 15 



Telephoto, 16 



Lever, Release, 21 

 Light Filters, 8 

 Line, 24, 44 



Line Attracting Birds' Attention , 63 

 - Effect of Wind on, 64 



Release, 19 



