THE METHODS OF THE BIRD PHOTOGRAPHER 99 
leg of the tripod forward, between the other two, 
when it will serve as a brace from in front, and per- 
mit the camera to be tilted well downward without 
danger of its falling. 
Nests at an elevation of seven or eight feet, in 
saplings, may be photographed by lengthening the 
tripod with short legs, each supplied with two sta- 
a 
12. To show nest locality of: 1, Tree Swallow; 2, American Bittern; 3, 
Song Sparrow; 4, Maryland Yellow-throat ; 5, Marsh Hawk, of which 
nesting site, nest, and young are shown in the two following pictures, 
Nos. 13 and 14. Meridian, N. Y., June 8, 1898. 
ples or collars into which the ends of the tripod may 
be slipped; or a ladder or light scaffolding will 
sometimes be found necessary. 
For photographing nests in trees the “Graphic” 
ball-and-socket clamp is of great assistance. With 
it the camera may be attached to a limb, or, if the 
limb is too large, a block may be nailed to it, thus 
