3o8 



Index 



Insects, photographing \_cont'd'\ — 



Importance of, 207. 



Indoor work necessary, 195. 



Knowledge of entomology de- 

 sirable, 194, 195. 



Need of photographs, 194. 



Rearing of insects, 195, 196. 



Size of insects a hindrance, 190. 

 See Butterfly. 

 Isochromatic plates, see Plates. 



Kearton brothers, the, 158, 171. 

 Kudaks, 294, 295. 



Larger animals, photographing — 



Apparatus for, 114. 



See Apparatus for field work. 



Bears, 121. 



Camera best adapted for, 113. 



Care required, 109, no. 



Caribou, 1 19. 



Compared with shooting, 107- 

 109. 



Deer, 1 14, 115, 1 16, 1 17, 1 19-120. 

 With flash-light, 116-119. 



Lenses for, 113, 114. 



Lynx, 115. 



Methods discussed, 110-113. 



Natural attitude, importance of 

 securing, 122. 



N(jtable achievements, 103-107. 



0!)stacles to success, 102-103. 



Orthochromatic plates, 121, 122. 



Outfit, protection '.-•'i, 122. 



Rocky Mountain sheep, 121. 



Watchfulness necessary, 1 14-1 16. 

 Lens — 



Age, effect of, 45. 



Anastigmatic and rectilinear 

 compared, 43, 44. 



Angle of view, 42. 



Lens \_coi2tintied~\ — 

 Care of, 44-46. 

 Diaphragms (stops), 40-41. 

 Field, depth of, 40. 

 Focal length, 38, 39. 

 Focus, depth of, 40. 



Universal, 39. 

 Focussing of, 44. 

 For nature w^ork, 42-43. 

 Functions of, 38. 

 Marking systems, 41, 42. 

 Modern double, 38. 

 More than one desirable, 43. 

 Pieces of, 43. 

 Principles of, 38. 

 Selection of, 42-43, 44. 

 Speed of, 41, 42. 

 " Stops" (diaphragms), 40-41. 

 Testing of, 46. 

 When necessary, 37. 



Marking lenses, see Lens. 

 Matteson, Sumner W., 231, 232. 

 Metol, as a developer, 55, 56. 

 Mice, 136, 137. 



Mirror, use of, in photographing 

 birds' nests, 145, 146, 157. 

 Moccasin, the, 229. 

 Moles, 136. 

 AL^ths, see Butterflies. 

 Mushrooms, see Fungi. 



Nature photography — 



Amateurish methods, 9-II. 



As a means of studying nature. 



4-6. 



Compared withdrawing, 12. 

 Deceptions attempted, 12. 

 Details, accuracy in, 13. 

 Difficulties in, 16, 17. 

 Eftect of, on illustrating, 3, 4. 



