ZOOLOGICAL DEPAKTMENT. 229 



49-148 (710 ). Dafila acuta (Linn.). Pintail; Spbigtail, 



Rather common ; " throughout the state " ( A. H. Boies ); " Keweenaw Point " (Knee- 

 land ); migrant and possibly winter resident; September and May; "Monroe Co." 

 (Jerome Trombley ): " never saw it in January '" (Dr. M. Gibbs); " have shot many of 

 these in the fall at Port Sanilac" ( W. A. Oldfleld ); "tolerably common in spring and 

 fall on Saginaw Bay " (N. A. Eddy); reported common at St. Clair Flats ; "migrant" 

 (Dr. J. B. Steers); "doubtful winter "resident " (Amos W. Butler); embraced in 

 Sager's list of 1839. 



Genus AIX Boie. 



Wood Dack, reduced. 



50-144-( 719). Aix sponsa (Linn.) *Wood Duck ; Summer Duck; Tree Duck. 



Very common ; "throughout the entire state'' ( A. H. Boies ); I have it authentically 

 reported from Kent, Monroe, Washtenaw, St. Clair and Muskegon counties and Mack- 

 inac Island ; " abundant summer resident, found breeding at Heisterman'e Island," 

 Saginaw Bay ( N. A. Eddy); "breeds abundantly in this county — Sanilac — on Black 

 River *' ( W. A. Oldfield); "rare at Albion, but formerly very common, summer resident 

 at St. Joseph" ( O. B. Warren); "common at Iron Mountain" (E. E. Brewster); 

 "Keweenaw Point" (Kneeland); summer resident; March, rarely February; to 

 November; " once common but now rare in Monroe Co." (Jerome Trombley); S. E. 

 White reports a male seen at Mackinac Island July 11, 1889 ; breeds abundantly ; 

 nests in the tops or hollows of trees, hence called tree duck; eggs, dirty yellowish white ; 

 one of our handsomest ducks ; an excellent game bird ; the males sometimes feed in 

 flocks during the breeding season" ( S. E. White). This beautiful bird was once 

 very common on the Red Cedar, which passes by our college campus, where I have 

 often taken it from April to October. Unfortunately these birds, formerly so common, 

 are being rapidly thinned by hunters. 



Gencs AYTHYA Boie. 



51-146-( 723). Ay thy & americana (Eyt.). Redhead ; American Pochard. 



Quite common; "throughout the entire state" (A. H. Boies); spring and fall; 

 migrant ; " common on Lake Erie" (Jerome Trombley ; "have shot it on the lake here 



