13. 143 Daflla acuta (Linn.). Pintail. 

 Rare migrant. Feb. 26 to March 4. 



MIGRATION RECORD. 



14. [144] Aix sponsa (Linn.). Wood Duck.* 



Rare migrant. March 24 to May. Formerly a common summer resi- 

 dent (C. H. B. '86), and the most common duck, often seen near the 

 campus (B. W. E. '87). Reported breeding in 1887 (G. G. W.), and in recent 

 years (A. W. Butler, '97). At present this duck is extremely rare; the 

 only one reported since 1897 was seen in May, 1902 (T. J. Headlee). 



MIGRATION RECORD. 



15. [146] Ay thy a americana (Eyt.). Redhead. 



Although this bird is a common migrant in neighboring localities, 

 there is but one record of its occurrence here. Four were taken March 20, 

 1903. 



16. [147] Ayihya vqllwneria (Wils.). Canvas-back. 

 Common migrant (C. H. B. '86). Common April 23, 1903. 



17. [148] Aythya marila (Linn.). American Scaup Duck. 

 One record. March 4, 1886 (B. W. E.). 



18. [149] Ayfhya afflnis (E'yt). Lesser Scaup Duck.* 



Common migrant. March 9 to May 8. The Little Blue-bill is the 

 most common duck. As is the case with the Shoveller, the first migrants 

 are males. The females, however, are present in larger numbers than 

 the males in the flocks seen later in the season. 



