. Journal of applied microscopy and laboratory methods. is the given fixed point,and parental instinct is the in-visible chain. The wild bird,however, is bound not merelyto the nest, but to its the young go the oldfollow. By using the nearlyfledged young as a lure, somespecies could, I believe, be ledacross the country for a mile ormore. I have taken them twohundred feet without specialeffort. Hitherto the bird photog- . ° Fig. I.—Nest-hole of Flicker used by Bluebirds. This dead stump rapher has had to rely mamly was sawn from an apple tree and mounted on a pivot so that it cou
. Journal of applied microscopy and laboratory methods. is the given fixed point,and parental instinct is the in-visible chain. The wild bird,however, is bound not merelyto the nest, but to its the young go the oldfollow. By using the nearlyfledged young as a lure, somespecies could, I believe, be ledacross the country for a mile ormore. I have taken them twohundred feet without specialeffort. Hitherto the bird photog- . ° Fig. I.—Nest-hole of Flicker used by Bluebirds. This dead stump rapher has had to rely mamly was sawn from an apple tree and mounted on a pivot so that it could be easily turned at any angle with the sun. * The following paper is partly taken from The Home Life of Wild Birds: A New Methodof the Study and Photography of Birds, by Francis H. Herrick, with 141 original illustrationsfrom nature by the author, and published by Messrs. G. P. Putnams Sons, New York andLondon, to which the reader is referred for further details. It also contains some results of theauthors latest experience in the field. (1517). 1518 Journal of Applied Microscopy upon chance in getting a picture of the nesting scenes. Most land birds dependupon concealment for protection from their enemies during the season of nests are apt to be shrouded in grass or foliage, and, if easily ap-proached, are usually inaccessible to the camera. If the nest is in a high bushor tree, the difificulties of the position and light are usually an effectual bar toobtaining good pictures, to say nothing of seeing what takes place. When thenest is near the ground, or upon it, and in a well lighted spot, conditions whichare rarely fulfilled, it has been customary to set up the camera, and attaching along rubber tube or thread to the shutter, to retire to a distance and wait for thebirds to appear. When one of them is seen to go to the nest, the plate is ex-posed by pulling the thread orpressing the pneumatic bulb, and,if in luck, a picture may thus beobtained. Many plates,
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