BIRDS OF CHESTER COUNTY, PENNSYLVANIA. 4ob 



30. Trochilis colubris, Linn. — Ruby-throated Humming Bird. April 



23 to May 1. 



31. Chceiura pelasgia, Steph. — Chimney Swallow. April 15 to 18. 



32. Antrostomus vociferus, Bonap. — Whip-poor-will. April 26 to 



May 2. 



33. Chordeiles popetue, Baird — Night Hawk. April 28 to May 6. 



34. Ceryle alcyon, Boie. — Belted Kingfisher. March 25 to April 10. 



35. Tyrannus carolinensis, Baird — King Bird. April 26 to 30. 



36. Myiarchus crinitus, Cab. — Great Crested Flycatcher. April 28 



to May 5. 



37. Sayornis fuscus , Baird — Pewee. March 2 to 15. 



38. Contopus virens, Cab. — Wood Pewee. April 26 to 30. 



39. Empidonax minimus, Baird — Least Flycatcher. May 10 to 15. 



40. Empidonax acadicus, Baird — Small Green-crested Flycatcher. 



May 5 to 12. 



41. Empidonax Jlaviventris , Baird — Yellow-bellied Flycatcher. May 



8 to 14. 



42. Turdus mustelinus, Grin. — Wood Thrush. April 11 to 25. 



43. Turdus pallasi, Cab. — Hermit Thrush. April 28 to May 5. 



44. Turdus fuscesens , Stephens — Wilson's Thrush. April 15 to 30. 



45. Turdus swainsonii, Cab. — Olive-backed Thrush. April 25toMay4. 



46. Turdus migratorius, Linn. — Robin. Resident. 



47. Sialia sialis, Baird. — Blue Bird. Almost resident. 



48. Regulus calendula, Licht. — Ruby-crowned Wren. April 6 to 22. 



49. Retulus satrapa, Licht. — Golden-crested Wren. April 5 to 22. 



50. Anthus ludovicianus, Licht. — -Titlark. March 2 to 10. 



51. Mniotilla varia, Vieill. — Black and White Creeper. April 25 to> 



May 2. 



52. Parula americana, Bonap. — Blue Yellow-backed Warbler. May 



2 to 12. 



53. Protonotaria citrea, Baird — Prothonotary Warbler. Rare. 



54. Geothlypis trichas, Cab. — Maryland Yellow-Throat. May 5 to 15.. 



55. Geothlypis tephrocotis, Cab. — Michener's Warbler. Rare. 



56. Oporornis agilis, Baird — Connecticut Warbler. Not common. 



57. Oporornis formosus, Baird — Kentucky Warbler. May 12 to 20v 



58. Icteria viridis, Bonap. — Yellow-breasted Chat. May 4 to 13. 



59. Helmitherus vermivorus, Bonap. — Worm-eating Warbler. May 



6 to 15. 



60. Helmintliophaga pinus, Baird — Blue-winged Yellow Warbler. 



May 1 to 8. 



61. Helmintliophaga chrysoptera, Baird — Golden-winged Warbler. 



May 4 to 18. 



62. Helminthophaga ruficapilla, Baird — Nashville Warbler. May & 



to 10. 



63. Helminthophaga peregrina, Cab.— Tennessee Warbler. May 20/ 



to 25. 



64. Seiurus aurocapillus, Sw. — Golden-crowned Thrush. April 21 



to 27. 



65. Seiurus novcboracensis, Nutt. — -Water Thrush. April 25 to 30. 



66. Seiurus ludovicianus, Bon. — Large-billed Water •Thrush. April 



25 to May 5. 



