2o8 A.GRRSBORO on Birds <>/ Southeastern Dakota. [July 



large boulders two Feel from the water's edge, on Luke Minnetonka, Minn. 

 Mav not many it' not all of the nests seen in trees by other observers have' 



belonged to the Shag? 



196. Bernicla brenta. I!r.\nt. — Only four secured : probably accidental. 



197. Anas boschas. Mallard. — Abundant in summer; breeds. 



iq8. Dafila acuta. Pi NT AIL. — Common migrant; a tew remain to 

 breed. 



[99. Chaulelasmus streperus. GADWALL. — Common migrant. 



200. Mareca americana. BALDPATE. — Common migrant. 



201. Nettion carolinensis. Green-winged Teal. — Abundant during 

 the migrations. In the spring of 1879 1 found several nests on the head- 

 waters of the Big Sioux River. Never found it breeding here, nor have 1 

 seen the bird in summer. 



202. Querquedula discors. Bn FR-WINGED Teal. — Common summer 

 resilient : breeds. 



203. Spatula clypeata. Shoveller. — Common in summer: breeds. 



204. Aix sponsa. Wood Dick. — Common summer resident. Nests 

 most often in willow clumps surrounded bv water. 



205. Fulix affinis. Little Blackhead. — Abundant during the migra- 

 tions. 



206. Fulix collaris. Ring-hilled Dick. — Accidental. Shot one in 

 Mav. iSS;. out of a tloek of Redheads. 



207. iEthyia americana. REDHEAD. — Abundant migrant. A few re- 

 main to breed here. 



joS. ./Ethyia vallisneria. Canvas-hack. — Of late years has become 

 common during migrations. 



209. Clangula albeola. BuTTERBALL. — An abundant migrant, arriving 

 \er\ early in the spring. 



210. Harelda glacialis. Lonu-t.mi.ed Dick. — Accidental; onemale, 

 shot in the fall of 1S7S. 



.mi. Erismatura rubida. Ruddy Dick. — A rare summer resident; 

 breeds. 



212. Mergus merganser americanus. AMERICAN Sheldrake. — Com- 

 mon migrant. 



213. Lophodytes cucullatus. Hooded Sheldrake. — Summer resident ; 

 breeds. 



214. Pelecanus erythrorhynchus. White PELICAN.— Common during 

 migrations. 



215. Phalacrocorax dilophus. Doi hle-crested Cormorant. — For- 

 meiiv abundant: now only seen during the migrations. Its disappearance 

 has been caused by the cutting down of the small elm and Cottonwood 

 groves along the smaller rivers, where, in common with the Crows, it had 

 its breeding resorts. These two birds were often found nesting in the 

 same tree. 



216. Larus argentatus smithsonianus. Herring Gill. — Very rare 

 during the migrations. 



217. Larus delawarensis. RiNG-BlLLED GULL. — A not uncommon 

 migrant. 



