82 
MUSCICAPA SAVANA. 
architects, that this massive and commodious struct 11 
is sometimes completed in the course of three 
About the middle of July, some nests found near 
Rocky Mountains contained young- ones, while in otb 1 * 
the process of incubation had not terminated. 
probable that the dilf swallows roar two broods in tJJ 
region, though in Kentucky and Ohio, agreeably to P 
Audubon, they have hut one in the year. During 1 J 
iirst few days of August, they assemble in flocks, »" 
after several attempts to commence their migrate 
they finally succeed in obtaining a unanimity of purpe^ 
and disappear as suddenly as they came. 
GENUS IX. — MUSCICAPA, Linnjeus. 
15 . MUSCICAPA SA VAN A, VIEILLOT. 
FORK-TAILED FLYCATCHER, BONAPARTE. 
BONAPARTE, PLATE I. FIG. I. 
it ^ 
Though Brisson, Linue, and Pennant have sta< 
the fork-tailed flycatcher to inhabit this region, as H 
north as Canada, still the fact seemed more than doubtK 
since this bird escaped the researches of Vieillot, 11 "j, 
what is more extraordinary, those of the indefat ig 1 *^ 
Wilson. It is, therefore, a very gratifying cireumstafjjj 
that we are able to introduce this fine bird with certs' 1 ' 1 ', 
into the Ornithology of the United States, and 'J 
remove all doubt on the subject. The present speciff! 
is a beautiful male, in full plumage; it was shot I' 1 ' 1 ' 
Bridgetown, New Jersey, at the extraordinary sea'!' 
of the first week in December, and was presented 
Mr J. Woodcraft, of that town, to Mr Titian P e €, 
who favoured me with the opportunity of examining \ 
Brisson published the first account of this bird. I c, 
we have rejected the name given by Linne may app l ’. f 
contrary to our principles ; but in this instance * 
certainly have no option, inasmuch as the same 
has been very properl}- retained by Wilson, agreed") 
to Brisson, for the Lanius tyrannus of Linne. 
