INDEX 



Acetone sulphite, 53. 

 Agfa intensifier, 61. 



Amanitas, genus of fungi, 277. 

 Angle of view of lens, see Lens. 

 Angle wings, 204, 205. 

 Apparatus for field work — 



Ball and socket clamp, 91. 



Camera, 85-86. 



Camera stand, 91. 



Changing bag, 89. 



( >>lor screen, 100. 



Cut film, 100, 101. 



Developing tent, 96, 97. 

 ussing work, 94, 95. 



1 . neral suggestions, 81-85. 



Lens, 91-93. 



Minor accessories, 94-96. 



Plates, 98-100, 101. 



Quantity and weight, 85. 



Ray filter, 100. 



Shutters, 93-94. 



Sundries, 97-98. 



Tripod, 90. 

 Aquatic life, photographing of, see 

 Fish and other forms of 

 aquatic life. 

 Artificial tree trunks, 171, 173. 



Background of picture, 64, 65. 



Backus, W. II., quoted as to rattle- 

 snake hunting with 

 camera, 232-235. 



X 3°5 



Bath, acid, 53. 



Hypo, 52, 53. 

 Beaver, 137. 

 Birds and young, photographing — 



As a pursuit, 1 60- 162. 



Best time for, 1 62-164. 



By means of decoys, 1S2-184. 



By means of flash-light, 187. 



By use of artificial tree trunk, 



I7L '73- 

 By use of bait, 1S4-186. 

 Effect of fear of man, 164-167. 

 Nesting site, change of, 175-177. 

 Obstacles to success, 166-169. 

 Old birds, 181,182,186,187,188. 

 Quickness always essential, 188. 

 Scientific value of, 162. 

 When young are ready to leave 



nest, 177-180. 

 With young birds in nest, 170, 



l?C 173-I75- 



Birds' nests, photographing — 



Arrangement of surroundings, 

 140-141. 



Artistic possibilities, 13S-139. 



"Cave-dwellers'" nests, 157, 158. 



Cliff breeders' nests, 158. 



Exposure, suggestions concern- 

 ing, 144. 



Ground-builders 1 nests, 142-146. 



Ideal day for, 145. 



In situ, 139. 



