THE WATTLED TALEGALLA. 349 



even within the torrid zone, where the heat of the sand during 

 the day is sufficient, the female generally covers them during 

 the night. The ostrich, however, makes no artificial hot-bed, 

 no eccaleobion for her eggs; nor know we of any birds, 

 excepting these two Australian species, in which instinct 

 prompts to so strange and interesting a procedure. 



