Extra Observations, April 15 — June 1, 1844. 



327 



MAKERSTOUN MEAN TIME OF THE COMMENCEMENT OF MORNING SONG 



OF BIRDS. 



d. 



April 15 

 16 

 17 

 18 

 19 

 20 

 22 

 24 

 26 

 27 

 29 



30 



May 1 



2 



4 

 6 



7 



8 



9 



10 



11 



13 



14 



15 



16 



17 



18 



20 



21 

 22 



23 



24 



27 



June 29 

 July 



May 



June 



