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THE OOLOGIST 



than six feet before leaving the grass. 

 On the other hand, if the nest is to be 

 found during the later hours of the 

 day, it would be necessary to search 

 a much larger circle as the birds leave 

 the nest at the first warning from the 

 males and sometimes go thirty and 

 even forty feet through the grass be- 

 fore flushing. 



Although the birds arrive from 

 South America about the middle of 

 May, they do not start nest building 



until the last week of that month, or 

 the first week in June. The majority 

 of young birds are hatched by June 

 14, but I have found one or two sets 

 of fresh eggs on that date. Like 

 many other feathered folk, the Bobo- 

 link is subject to be imposed upon by 

 the Cowbird and it has always been a 

 mystery to me how they manage to 

 find the well hidden nests of their 

 hosts. I once found a nest containing 

 eight eggs, four of the Cowbird and 



