EXTENDED RANGE OF THE MARSH-WARBLER. 449 



under what circumstances? It would be interesting to have the 

 information. 



It appears almost certain, too, that there must have been 

 more than one pair of birds in the reed-bed, as there was not 

 sufficient time from June 7th, when the two first eggs were 

 taken, to June 15th, when the second nest was seen with five 

 eggs, for the same pair of birds to have constructed a new nest 

 and completed a second clutch of five eggs, unless it is possible 

 for the birds to have made the nest in three days, and then 

 commenced laying immediately it was completed, which seems 

 scarcely feasible. 



