APPENDIX. 435 



the 20th), also Hermit Thrushes, Pine "Warblers, Red-poll "Warblers, 

 Ruby-crowned " Wrens," Savannah Sparrows, (Sea-side and Sharp- 

 tailed Finches ?).t The Crows, and Red-tailed and Red-shouldered 

 Hawks, sometimes lay their eggs, t 



20th, Chipping, Field, (and Savannah ?) Sparrows usually arrive. 



In the latter part of this month, the Crows, and many birds of 

 prey, may lay their eggs. The following birds may arrive at this 

 time, though often not until May ; viz. : Barn Swallows, Black and 

 "White "Creepers," Brown Thrushes, Least Flycatchers, Purple 

 Martins, Solitary Vireos, Towhee Buntings, "White-throated Spar- 

 rows (sometimes on the 20th), and " YeUow-rump " Warblers. 



Note. The dates of arrival can only be approximately given, 

 and it is to be remembered that the males of many birds arrive 

 before the females. 



§ "V. Mat. About the 



1st, the Barn Swallows, Black and "White "Creepers," Brown 

 Thrushes, Cliff (or Eave) Swallows, Least Flycatchers, Night 

 "Hawks," Purple Martins, Solitary "Vireos, Towhee Buntings, 

 White-throated Sparrows, "Yellow-rump" Warblers, and Yellow- 

 winged Sparrows often arrive, though sometimes earlier or later. 



5th, the Baltimore Orioles (?), Black and White Creepers, 

 Black-throated Green Warblers,^ Brown Thrushes, Catbirds, 

 Chimney-Swifts, Towhee Buntings, (Wilson's Thrushes, Yellow 

 Warblers, usually about the 8th), and " Yellow-rump" Warblers 

 arrive, those italicized (at least the B. T. and T. B.) generally 

 coming earlier. 



10th, the loitering Fox Sparrows, and various winter birds, such 

 as the Golden-crowned " Wrens," Snow-birds, and Tree Sparrows, 

 finally disappear ; the Bluebirds, Robins, Song Sparrows, Bay- 

 winged Buntings or Grass Finches, Kingfishers, and Pewees often 

 lay their eggs, chiefly the first three ; and the Baltimore Orioles, 

 Blackburnian Warblers, " Black-cap " Warblers, Black-throated Blue 

 Warblers, Blue Yellow-backed Warblers, Bobolinks, Chestnut-sided 

 Warblers, Connecticut Warblers, § Golden-crowned " Thrushes " 



t The Sea-side Fincli is not kno-vm to t The Woodcock also hegins laying 



occur at all in Massachusetts, except as at about this time. — W. B. 



a chance straggler from further south, ^ These birds sometimes appear in 



and it is very doubtful if the Sharp- April. 



tailed Finch ever arrives before May. § The Connecticut Warbler occurs 



— W. B. so very rarely in spring that it is hardly 



entitled to a place in this list. — W. B. 



