436 BIRDS OF DELAWARE COUNTY. 



44. ChordeiUi virginiamis. Xight Hawk. Common. 



45. Ceryle alcyon. Kingfisher. Frequent. 



46. Tt/rannus carolinensis. King-bird. Common. 



47. Mi/iarchus crinitus. Great-crested Flycatclier. Frequent. 

 49. Sai/ornisfuscus. Pewee. Common, and a great favorite. 



49. Contopus borealis. Olive Flycatcher. Rare. 



50. " virens. Wood Pewee. Common. 



51. Tyrannula TrailUi. Traill's Flycatcher. Occasionally seen. 



52. " acaJica. Green Flycatcher. Frequent. 



53. " fiaviventris Yellow-bellied Flycatcher. Frequent. 



54. " minima. Least Flycatcher. Frequent. 



55. Merula migratoria. Robin. Abundant. 



56. " mustelina. Wood Thrush. Abundant. 



57. " fuscescens. Wilson's Thrush. Frequent. 



58. " Pallasii. Hermit Thrush. Frequent. 



59. " Swainsonii Olive-backed Thrush. Not common. 



60. " Alicice. Probably an occasional visitor. 



61. Sialia Wilsonii. Blue Bird. Abundant. 



62. Regulus satnipa. Golden-crested Wren. Common in winter. 



63. " calendula. Ruby-crowned Wren. Frequent in winter. 



64. Anthus ludovicianus. Tit Lark. Pipit. Frequent in winter. 



65. Mniotilta varia. Black and White Creeper. Common. 



66. Parula americana. Blue Y'ellow-backed Warbler. Frequent, and resident 



in summer. 



67. Trichas marilandica. Maryland Yellow Throat. Common. 



68. " agilis. Connecticut Warbler. Occasionally occurs. 



69. " Philadelphia. Mourning Warbler. Rare. 



70. Sylvicola virens. Black-throated Green Warbler. Frequently abundant 



during the spring and autumnal migrations. 



71. Sylvicola canadensis- Black-throated Blue Warbler. Frequently abundant 



during the spring and autumnal migrations. 



72. Sylvicola coronata. Y^ellow-crowned Warbler. Yellow Rump. Abundant 



in spring and autumn. 



73. Sylvicola Blackburnice. Blackburnian Warbler. Frequently common in 



in spring and autumn. 



74. Sylvicola castanea. Bay-breasted Warbler. Occasionally in spring and fall. 



75. " pinus. Pine-creeping Warbler. Frequent in spring and fall. 



76. " pennsylvanica. Chestnut-sided Warbler. Frequent in spring and 

 fall, sometimes abundant. 



77. Sylvicola caerulea. Blue Warbler. Rare, but occasionally seen. 



78. " striata. Black-poll Warbler. Common in spring and fall. 



79. " aesliva. Summer Yellow-bird. Common, and resident in summer. 



80. " maculosa. Black and Yellow Warbler. Frequent in spring and fall. 



81. " tigrina. Cape May Warbler. Rare. 



82. " pabnarum. Red-poll Warbler. Frequent in spring and fall. 



83. " discolor. Prairie Warbler. Not common. 



84. " formosa. Kentucky Warbler. Rare. 



85. Ilelmintherus vermivorus. Worm-eating Warbler. Occasionally in spring 



and fall. 



86. Ilelminthophaga solitaria. Blue-winged Yellow Warbler. Frequent, and 



resident in summer. 



87. UelmuUhophaga chrysoptera. Golden-winged Warbler. Rare. 



88. " ruficapilla. Nashville Warbler. Frequent in spring and fall. 



89. " peregrina. Tennessee Warbler. Rare. 



90. Seiurus aurocapillus. Golden-crowned Thrush. Common. 



91. " novcboracensis. Water Thrush. Fretjuent. 



92. " ludovicianus. Large-billed Water Thrush. Rare. 



93. Setophaga rulicilla. Redstart. Common. 



94. " mitrala. Hooded Warbler. Occasionally in spring and fall. 



95. " canadensis. Canada Flycatcher. Fretiuent in spring and fall. 



