WARBLERS WRENS. 341 



SYLVICOLA Pinus, (Lath.) Pine warbler. Arrives at the 

 mountain early in April ; color, bright-yellow, tinged with 

 green beneath, yellow wings, with whitish bands. It is a 

 quick, sprightly little eater of insects, is found in the pine 

 forests, and is musical to a certain extent, withal an interest- 

 ing bird. 



PARULA Americana, (Lath.) Parti-colored warbler. 

 Perhaps only a visitor. It winters at St. Domingo and 

 Porto Rico. 



TRICHAS Agilis, (Wilson.) Connecticut warbler. Only 

 a visitor. 



TRICHAS Marilandica, (Lath.) Maryland yellow-throat. 

 Comes to the mountain early in April and nests. It is a 

 sprightly little yellow-olive bird, with black patch about eye 

 and side of head. 



SYLVICOLA Canadensis, (Bon.) Pine-swamp warbler. 

 Frequents hemlock swamps. 



SYLVICOLA Azurea, (Steph.) Ccerulean warbler. An 

 occasional visitor. 



HELEN^A Solitaria, (Wilson.) Blue-winged yellow war- 

 bler. Arrives on the mountain at end of April, retires to 

 Tropical America in autumn ; remarkable for its peculiar 

 nest. 



The following species of the old genus sylvia are fre- 

 quently seen on the mountain, namely, Vermivora, Worm- 

 eating Warbler; Wilsonii, Green Black-capped Warbler; 

 Sphagnosa, Swamp Warbler; Philadelphia, or Mourning 

 Warbler ; and Parus, or Hemlock Warbler. 



REGULTJS, CRESTED WRENS. 



These are small birds, hardy and active, enduring winter, 

 but migrating as the cold increases. They penetrate the 

 arctic spaces, living on insects, and having the style and ac- 

 tion of the titmouse. They inhabit both continents, and 

 are allied to the sylvias. 



REGULUS Calendulus, (Steph.) Ruby-crowned wren. A 

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