214 TERRITORY AND REPRODUCTION 



8 A.M. the young were cold and in a state of collapse, but 

 they survived nevertheless until 3.20 p.m. 



On the 7th June 1915, a nest of young Skylarks three 

 days old was removed at 7.15 a.m. The temperature was 

 62° F., and the birds survived until 4 a.m. the next day. 



On the 6th June 1916, a nest of Linnets just hatched 

 was removed at 6.47 a.m. The temperature was 51° F. 

 At 7.50 A.M. the birds were cold and in a state of collapse, 

 and only survived until 8.50 a.m. 



