30 



BIRD STUDIES WITH A CAMERA 



furnishing a grip to which the clamp may be fas- 

 tened. 



Nests should be photographed from the side, but 



13. Nesting site, nest, and young of Marsh Hawk. 



eggs should be photographed from above in order 

 to show their position in the nest as they were ar- 

 ranged by the incubating bird. The nest should 



