THE METHODS OF THE BIRD PHOTOGRAPHER 3] 
therefore never be tipped, nor should the eggs be 
touched, lest the value of the subject be destroyed. 
The markings of most birds’ eggs are already well 
known, but if photographs of them are desired they 
can be made from the thousands of eggshells with 
which ill-directed effort has stocked the cabinets of 
misguided odlogists. 
14, Young Marsh Hawks and nest. 
It is not advisable to make photographs of nests 
in the sunlight, a diffused light giving greater de- 
tail. A screen of some thin white material should 
therefore be used as a shade when photographing 
nests exposed to the direct rays of the sun. This, 
however, will not be found necessary if the picture 
be made within two or three hours after sunrise, 
