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, 1 8. 



Qualities making for the best 

 work, 15, 1 6. 



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, 6l. 



Keeping of large collection, 67, 

 68. 



Local manipulation, 61. 



Metul-developed, characteristics 

 of, 56. 



Metol - hydrokinone - developed, 



57, 58. 



Practical results in use of, 1 8. 

 Retouching of, 66. 

 Washing of, 54. 



See Developing. 

 Niepce, quoted as to his first picture 



with a camera, 29. 

 Non- halation plate, see Plate. 



Opaque, 64. 

 Opossum, 130-131. 

 Orthochromatic plates, see Plates. 

 Outfit, protection of, 122. 



See Apparatus for field work. 

 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. 



Pin holes in negatives, 51, 52. 

 Plate hardeners, see Baths. 

 Plate-holders, 86-89. 

 Plates, isochromatic, 213, 261. 



Non-halation, 273, 274, 



Orthochromatic, 121, 122, 20?, 



212, 213, 254, 279. 

 Pleuraotus, genus of fungi, 277. 

 Porcupine, 131-134. 

 Porta, Baptista, inventor of the 



camera obscura, 30, 31. 

 Portuguese man-of-war, 224. 

 Printing 



Background, treatment of, 64- 

 65. 



Local, 67. 



Negatives, 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. 



