BIRDS OF BERMUDA. 181 



Sylvia flava, Vieil. 

 Sylvia citrineUa, Wils. 

 Sylvia childreni, Aud. 

 Sylvin rathbonia, Aud. 



Length, 5.25; wing, 2.66; tail, 2.25. 



Eab. — Whole of ISTorth America through Mexico and Central America 

 into South America; West Indies (represented by several insular forms 

 apparently not specifically distinct) (Coues). 



Mr. Bartram has two specimens in his collection obtained by himself 

 at different dates. Lieutenant Denison, Royal Engineers, has also two, 

 both males, shot in Devonshire Swamp on the 23d November, 1875. 



16. Deiidroica virens, (Gm.) Bd. Black-throated Green Warbler. 



Motacilla virens, Gm. 



Sylvia virens, Lath., Vieil., Wils., Bp. Nutt., Aud. 



Sylvicola virens, Bp., Aud., Woodh., Reinh. 



Jtktmanphus virens, Cab., Sci. 



Mniotilta virens. Gray, Reiuh. 



Dendroica virens, Bd. and later writers generally. 



Length, 5.00; wing, 2.58; tail, 2.30. 



Hab. — Eastern United States to Missouri; south to Guatemala; acci- 

 dental in Greenland and Europe. 



Another novelty brought to light in examining Mr. Bartram's birds. 

 He has three examples, one in the obscure plumage of youth, the others 

 in the ''fall" or female plumage of the adult. 



A recent letter from Mr. Bartram contains the following: "On the 

 7th of May (1878) I shot a black-throated green Warbler showing a tri- 

 angular jet-black patch under the chin and throat, length 4| inches, 

 wing 2i, tail 2." 



17. Dendroica ccerulesceiis^ Bd. Black-throated Blue Warbler. 



Motacilla ccerulescens, Gm. 



Sylvia ccerulescens, Lath., Vieil. 



Dendroica cwndescenn, Bd., Mayu., Coues. 



Motacilla canadensis, Limi. 



Sylvia canadensis. Lath., Wils., Bp., Nutt., Aud. 



Sylvicola canadensis, Sw., Rich., Bp., Aud. 



Mniotilta canadensis, Gray. 



Dendroica canadensis, Bd., Scl., and other late authors. 



Sylvia pusilla, Wils. 



Sylvia leucoptera, Wils. 



Sylvia sphagnosa, Bp., Nutt., Aud. 



Length, 5.50; wing, 2.60; tail, 2.25. 



Hab. — Eastern United States to the Missouri. West Indies. (Baird.) 



Two specimens of this striking-looking Warbler are in the Bartram 



