HYPOTHETICAL LIST. one 
Famity TANGARIDZ. 
Pirdnga ribriceps Gray. Gray’s Tanager. [18.1.] 
Pyranga rubriceps Gray, Genera Birds, II, 1844, [864], pl. 89. (Not 
given = Colombia.) 
A specimen of this exclusively South American species has been 
recorded as taken at Dos Pueblos, Santa Barbara County, California, 
but it was in all probability an escaped cage bird. 
FamMity MNIOTILTIDA. 
Dendroica (Perissogléssa?) carbondéta (AUDUBON). Carbonated 
Warbler. [23.] 
Sylvia carbonata AupuBOoN, Birds Amer. (folio), I, 1829, pl. 60. (Near 
Henderson, Kentucky.) 
Known only from Audubon’s plate and description of two speci- 
mens killed near Henderson, Kentucky, in May, 1811. 
Dendroica montana (WILSON). Blue Mountain Warbler. [24.] 
Sylvia montana Wixtson, Amer. Orn., V, 1812, 113, pl. 44, fig. 2. (Near 
the Blue Mountains, Virginia.) 
Known only from the works of Wilson and Audubon. Taken near 
the Blue Mountains of Virginia. Not yet satisfactorily identified with 
any other species. 
Wils6nia (?) microcéphala (Ripaway). Small-headed Warbler. [25.] 
Sylvania microcephala Ripaway, Proc. U. S. Nat. Mus., VIIT, 1885, 354. - 
(= Muscicapa minuta Witson, Amer. Orn., VI, 1812, 62, pl. 50, 
fig. 5, nec GMELIN, 1789.) 
Known only from the works of Wilson and Audubon. Claimed to 
have been taken in New Jersey and Kentucky. 
