.46 



5. Larus argentatus smithsonianus Coues. 

 AMERICAN HERRING GULL. 



'•^Gall blue ; part of -wings, black. Lengtb, 24 incbes. 



Has occurred at rare intervals at Belehertown ponds. 



6. Merganser americanus (Cass.). 

 COMMON MERGANSER. GOOSANDER. 



!\(a.lb: Head and neck, dark green; upper parts, mostly black; surface of 

 ■•wing, white. 



Fbuale: Head and neck, reddish-brown; black of male replaced by 

 ashy-gray. Both sexes, more or less salmon tinted beneath. Length, 

 -24-27 inches. 



Not uncommon on the Connecticut river duiing the 

 ■migrations. 



7. Merganser serrator (Linn.). 

 RED-BREASTED MERGANSER. 



Ma.LV: Head and neck, dark green; above, black and gray; breast,brown- 

 Ish-red; belly, salmon-white. 



Feuale: Head and neck, grayish-chestnut; above, gray; beneath, white. 

 il.ength, 22-24 Inches. 



Taken' once on the Connecticut near Northampton. 



8. Lophodytes cucullatus (Linn.). 

 HOODED MERGANSER. 



Male: Above, black; centerof crest, white; beneath, white; sides, waved 

 ■with brownish. 



Female: Head and neck, grayish-chestnut; back and sides, dusky brown. 

 Miength, 16-18 Inches. 



Not rare on the Connecticut river,, during the migrations. 



9. Anas obscura Qmel. 

 DUSKY DUCK. BLACK DUCK. 



Dusky-brown; spot on bend of wing, purple; iris brown. Length, 22 

 -inches. 



Formerly abundant but now rather rare. Occasionally seen 

 itfrom the last of March until the middle of May and again in 



