Index 



309 



Nature photography [confd~\ — ■ 

 field for, in other countries, 28. 



In America, 28. 

 Focus, sharpness of, 44. 

 History of, briefly discussed, 1-3. 

 Negatives, chances of success 



with, 17, 18. 

 Qualities making for the best 



work, 15, 16. 

 Requirements and results, 18. 

 Scientific value of, 6-8. 

 Scope, 4. 



Serious work necessary, 9. 

 Negatives — 



Density of, reduced, 59-61. 



Development, 56, 57. 



Elimination of hypo, 54. 



Enlargement, 64. 



Handling in development, 62. 



Intensifying of, 61. 



Keeping of large collection, 67, 



68. 

 Local manipulation, 61. 

 Metol-developed, characteristics 



of, 56. 

 Metol - hydrokinone - developed, 



57, 58. 

 Practical results in use of, 18. 

 Retouching of, 66. 

 Washing of, 54. 

 See Developing. 

 Niepce, quoted as to his first picture 



with a camera, 29. 

 Nun-halation plate, see Plate. 



( >paque, 64. 

 Opossum, 1 30-131. 

 Orthochromatic plates, see Plates. 

 Outfit, protection of, 122. 



See Apparatus for field \\ ork. 

 Over exposure, see Developing. 



Papers for printing, 62. 



Passenger pigeon, 8. 



Photography, cleanliness in, 51, 



52- 



Compared with shooting, 21-24, 

 26-28. 



In color, 4. 

 " Photo-Miniature," 64. 

 Pied duck, 8. 



Pinholes in negatives, 51, 52. 

 Plate hardeners, see Baths. 

 Plate-holders, 86-89. 

 Plates, isochromatic, 213, 261. 



Non-halation, 273, 274. 



Orthochromatic, 1 21, 122, 2or, 

 212, 213, 254, 279. 

 Pleuraotus, genus of fungi, 277. 

 Porcupine, 1 31-134. 

 Porta, Baptista, inventor of the 



camera obscura, 30, 31. 

 Portuguese man-of-war, 224. 

 Printing — 



Background, treatment of, 64- 



65- 

 Local, 67. 



Nt rgatives, enlarged, 64. 



Papers used, 62, 63. 



Retouching, 66, 67. 



Skill in, importance of, 62. 



Spotting out, 67. 



Toning, 63. 

 Printing-out papers, silver, 62. 

 Protective coloring of smaller ani- 

 mals, 242. 

 Pyro developer, the, 54, 55, 56. 



Raccoon, 134. 

 Raptores, food of, 5, 6. 

 Rattlesnakes, 229, 231-235. 

 Ray filter, 254, 255. 

 Reflex camera, see Camera. 



