THE METHODS OF THE BIRD PHOTOGRAPHER 29 



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- 



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. 



pies 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 



