IJrlnator iraber. 
Lake Umbagog, Maine. Singular oall 
1896. Two years ago this month Will Sargent and I heard, one 
Sept. 11. morning, a call new to us both and paddling out into, the dense 
fog came upon two Loons playing together near the Outlet and 
making the sound in question. I have not heard it since until 
this morning when for nearly half an hour before the wind rose 
it came at short intervals from the direction of the Outlet 
where, with the aid of a glass, I could see two Loons swimming 
about on the calm water. I do not remember just how I ren¬ 
dered it in 1894 but to-day I set it down as varying from a 
rather deep and hollow hoo to an abrupt oh . It is very human 
in tone and might be easily mistaken for the call or ejacula¬ 
tion of a roan. It was repeated twice or thrice in quick suc¬ 
cession as a rule but sometimes was given only once. 
