Mating of Buteo lineatus - unusual note Unknown voice 1876. (March 28) George Frazer & Morison occupied last season. After investigating the domestic arrangements of the absent proprietors to our complete satisfaction we sat dinner in a sunny spot near the hut and while so engaged I was much surprised to hear my unknown fall voices from a swamp near at hand and attend by at least two different individuals and so distinctly that I was one of the identity of the unknown author. I believe I noted this same voice on one or two occasions last year in April, where we also heard a pair of Buteo lineatus making a great outcry They commenced with the usual greee then one ran this note though a series of variations some of which were short haw screams and other choking cries almost like the stifled utterances of a child under- goin its transplantation, while the other bird kept up the usual screaming. These cries were some of them perfectly diabolical; These birds were either fighting or mating presumably the latter though the limit of the intruning pines prevented us from getting sight of their evolutions for the round plains, indicated that they were on wing at the time, going to the place in hopes of getting a shot I found what I am very sure was their nest in process of construction. It was placed in a large pine some to ft. up and had a very fresh look, Under the tree now a good many