BACK VIEW OF NEST BOXES. 



The camera was located in the passageway (see plan of Kobinson unit.) The hinged bacl£ 

 of the pair of nests No. 21 has been let down, to show how the ne-ts and squabs are reached 

 from the passageway. An inquisitive thr ee-weeks-old sauab is seen perched on the edge of the 

 opening. 



