Observations on Birds. 101 



Thryothorus bewicki, Bp. Bewick's Wren. — March 27, 1879, two 

 specimens. 



Troglodytes ^don, V. House Wren. — April 27, 1879; May 11. 



CiSTOTHORUS PALusTRis, Bd. Long-Mlled Marsh Wren. — September 

 21, 1879, seven specimens. 



Mniotilta varia, V. Black-and-white Creeper. — April 27, 1879; 

 October 12, 1878. 



Helmitherus vermivorus, Bp. Worm-eating Warbler. — April 28; 

 September 8. 1879. Found rather common during July and the first of 

 August, 1879. 



Helminthophaga chrysoptera, Cab. Golden- winged Warbler. — 

 July 30 and August 1, 1879, two females. 



Helminthophaga pinus, Bd, Blue-winged Yellow Warbler. — April 

 23. 



Helminthophaga peregrina, Cab. Tennessee Warbler. — October 

 13, 1878. Rare in spring, but very common — our commonest warbler 

 —in fall. Arrives early in September and remains into the first of Oc- 

 tober. During the spring migrations, the warblers stay mostly in 

 tall trees; but shortly after their arrival in fall, they all, including such 

 tree-top-frequenting species as Helminthophaga peregrina, Parula 

 americana, etc., aflE'ect the low bushes and weeds. Of about thirty 

 Tennessee Warblers from this locality, the average length of wing was 

 2.50, of tail 1.83. The measurements given in standard ornithological 

 works are, — wing 2.75, and tail about 1.85. 



Parula americana, Bp. Blue Yelloio-backed Warbler. — July 18, 

 July 31 and August 27, 1879; September 20, 1878. Rather rare in 

 spring; not uncommon in fall. 



Perissoglossa tigrina, Bd. Cape May Warbler. — May 5, 1879; 

 September 7, 1877; September 22, 1878. 



Dendrceca estiva, Bd. Yellow Warbler. — September 15, 1879. 



Dendrceoa maculosa. Bd. Black-and-yellow Warbler. — August 

 28, 1879. 



Dendrceca c^urlea. Bd. Blue Warbler. — Common during the last 

 of April, the bulk disappearing in the first week of May. Common 

 from July 18 into the first of August, 1879. 



Dendroeca blackburni^, Bd. Blackburnian Warbler. — August 30, 

 1877; October 18, 1879. Common during the first week of May, 1879. 



Dendrceca pennsylvanica, Bd. Chestnut-sided Warbler. — April 

 25, 1877; August 26, 1879. 



Dendrceca striata. Bd. Black-poll Warbler. — September 1, 1879. 



