THE METHODS OP THE BIRD PHOTOGRAPHER 31 



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 oologists. 



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, 



