Mar. 



Apr.29 



Feb. 12 



Feb.27 

 Apr. 3 



Flicker 



Whip-poor-will 



Nighthawk 



Chimney Swift 



Hummingbird May 25 



Kingbird |May 



Crested Flycatcher 



Phoebe 



Bobolink 



Cowbird 



Red-winged Blackbird 



Baltimore Oriole 



Purple Grackle 



Chipping Sparrow 



Chewink 



Indigobird 



Scarlet Tanager 



Purple Martin 



Barn Swallow 



Red-eyed Vireo 



Black-and-white Warbler 

 Chestnut-sided Warbler... 



Ovenbird 



Maryland Yellow-throat. . 



Chat 



Catbird 



Brown Thrasher 



House Wren 



Wood Thrush 



Hermit Thrush 



Robin 



Bluebird 



May 4 



Apr. 16 

 Apr. 30 



Apr. 30 



Apr.16 

 May 4 

 May 4 



Res 

 Apr. 2 



Apr. 18 

 May 23 



May 17 



Res. 

 May 3 



Rea. 

 Mar. 4 

 Mar. 4 

 May 18 



Apr.17 



May 13 



May 19 

 Apr. 26 

 Apr.20 

 Mayj 8 



Apr.17 

 Mar. 1 

 Feb. 13 



Mar. 18 

 Apr.l9 



May 2 



May 



May 6 



Apr. 1 

 Apr.28 



May 20 

 Apr. 4 



May 12 



Apr. 30 

 May 5 

 May 19 

 May 

 Apr.28 

 Apr.30 

 May 12 



Feb.l9 

 Feb. 29 





Res. 



May 5 

 Apr. 19 

 May 11 

 May 2 

 May 2 

 May 20 

 May 7 

 May 19 

 Mar. 3 

 May 6 

 May 15 

 Mar. 30 

 Apr.21 

 May 6 

 May 7 



Apr. 24 

 May 14 

 Apr.29 



May 2 

 May 3 

 May 7 

 May 3 

 Apr. 23 

 Apr.28 

 May 3 

 Apr. 6 

 Feb. 14 

 Feb. 24 





Mar. 9 



May 16 

 Apr. 19 

 May 

 May 

 Apr.28 

 Alar. 15 

 May 10 

 Mar. 

 Feb. 2 

 May 

 Feb. 12 

 Apr, 

 Apr, 16 

 May 

 May 

 Apr. 6 

 Apr. 24 

 May 

 May 

 May 

 Apr.30 

 Apr 30 

 May 2 

 Apr 25 

 Apr. 18 

 Apr. ]6 

 May 1 

 Apr. 7 

 Feb. 10 

 Feb. 15 



Apr.29 



■Mar. 20 

 May 3 

 Mar. 

 Mar. 9 

 May 11 

 Feb.27 

 Mar. 20 

 Apr.20 

 May 1 5 

 May 16 



Apr.29 

 May 1 1 



Apr.30 

 May 1 4 

 Apr.30 

 May 1 1 



May 3 

 Mar. 23 

 Mar. 4 

 Mar. 6 



Res, 

 May 6 

 May 30 

 May 1 

 May 1 1 

 May 12 

 May 8 

 Apr.16 



Feb.27 

 May 5 

 Mar. 3 



Apr.28 

 May 18 

 May 12 

 Apr.21 

 May 1 1 

 May 7 

 May 12 

 May 13 

 May 1 1 

 May 5 

 May 12 

 May 4 

 May 4 

 Apr 28 

 May 1 

 Apr.17 

 Feb 24 

 Feb. 17 





Apr.20 

 May 20 

 May 10 

 May 6 

 Apr. 2 



Apr. 1 

 Mar. 7 

 May 3 



Apr. 2 

 Apr. 6 

 May 20 

 May 10 

 Apr.20 

 Apr.30 

 May 10 

 May 1 



May 15 

 Mav 10 

 Mav 12 

 May 2 

 Apr.25 

 Apr.30 

 May 6 



May 6 

 Res. 





May 8 

 Mar. 14 



Apr. 9 

 Mar 16 

 May 9 



Apr. 2 



May 22 



May 12 



May 8 

 Apr. 26 



Mar. 10 

 Mar. 10 





Res. 



May 14 

 May 30 

 Apr.20 

 May 3 

 May 7 

 May 6 

 Mar. 24 



Mar. 31 

 Mar. 1 

 May 6 

 Feb. 14 

 Apr. 3 

 Apr. 19 

 May 12 

 May 1 1 

 Mar. 31 

 Apr. 22 

 May 5 

 Apr.25 



May 3 

 Apr.28 

 May 30 

 May 3 

 Apr. 19 

 Apr. 24 

 May 3 

 Apr. 7 



Res. 



Res. 



Feb. 25 



May 18 

 May 6 

 May 12 

 May 23 

 May 6 

 May 12 

 Mar. 20 Mar. 

 Apr.30 



^^ 





Apr. 24 



May 

 May 

 Mar. 



May 



Feb. 7 

 Apr. 7 

 Apr. 19 



May 14 

 May 2 2 

 May 6 

 May 16 

 May 2 

 May 12 

 May 13 

 May 16 



May 1 1 

 Apr.21 

 May 6 

 May 2 



Feb. 25 

 Feb.27 



May 

 Feb. 

 Apr. 

 Apr. 

 May 

 May 

 Apr. 

 Apr. 

 May 

 May 



Apr.! 

 May 



May 3 

 Apr. 24 

 May 12 

 May 1 1 

 Apr.l4 



a ^ 



Feb. 2 5 



Apr.22 

 May 20 

 May 7 

 May 12 

 Mar 31 

 May 13 



Mar. 9 

 May 2 

 Feb. 7 

 Apr.18 



May 2 

 May 18 

 Apr.30 



May 12 

 Apr.30 

 Apr.30 



Feb. 25 

 Res. 



Mar. 8 



Apr.29 



May 8 

 May 6 

 Mar. 7 

 May 7 



Mar. 



May 8 

 Feb. 25 

 Apr.20 

 May 5 



Apr. 13 

 Apr.30 



May 6 



May 4 

 May 5 



May 8 

 Api'.30 

 Apr. 27 

 May 6 

 Apr.16 

 Feb.27 



= ^ 



Mar, 19 

 May 15 

 May 15 

 Apr. 24 



May 7 

 May 6 

 Mar. 30 



Mar. 1 1 

 May 

 Feb. 26 

 Apr. 6 

 Apr.20 

 May 1 3 

 May 6 



Apr.l5 

 May 13 

 May 5 



May 6 

 Apr. 2 4 

 Apr.23 



Apr.l4 

 Mar. 2 

 Feb.27 



Mar. 12 



May 14 

 May 7 

 Apr.20 



May 

 May 10 

 Mar. 23 



Mar.23 

 Mar. 5 



May 6 

 Mar. 4 

 Apr. 14 

 Apr.21 

 May 10 

 May II 

 Apr.16 

 Apr.20 

 May 1 1 

 Apr.30 

 May 6 

 Apr.30 

 May 3 

 May 10 

 Apr.30 

 Apr.27 

 Apr. 27 

 May 6 

 Apr.16 

 Feb. 23 

 Mar. 



!2; 

 oi ... 



Mar.31 



May 

 May 7 



May 12 

 May 7 



Mar. 20 



Mar. 6 

 May 7 



Apr. 23 

 Apr.30 



May 16 



Apr.28 

 May 17 

 .May 5 

 May 7 

 May 6 

 iMay 13 



May 12 

 Apr.27 

 May 5 



Apr. 10 

 Mar. 2 

 Feb.27 



0^ ■ - 





Mar.31 

 May 21 



May 7 

 May 7 

 May 1 1 

 May 18 

 May 1 1 

 Mar.31 

 May 9 

 Mar.31 

 Apr. 14 

 May 4 

 Mar. 17 

 Apr.17 

 Apr.18 

 May 18 

 May 19 

 May 3 

 Apr.21 

 May 17 

 Mav 5 

 May 12 

 May 5 

 May 11 

 May 11 

 May 12 

 Apr.21 

 May 4 

 May 12 

 Apr. 14 







MM 













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TABLE II. 



SPRING MIGRATION, 1918. 



Earlifst dates op arrival of 

 thirty-two species at eighteen 

 stations outside the philadel- 

 phia circle. 



