Merriam on Birds of the Adirondack Region. 235 
161. Clangula albeola ( Linn .) Stephens. Butterball. — Occurs, 
but not so common as the above. 
162. Harelda glacialis ( Linn .) Leach. Old Squaw. — Occurs dur- 
ing migration. 
163 CEdemia americana, Swain, and Rich. Black Scoter. — Occurs 
during the fall migration. 
164. Melanetta velvetina ( Cassin ) Baird. White-winged Scoter. 
— Common during the fall migration. 
165. Pelionetta perspicillata (Lijin.') Kaup. Surf Duck; Skunk- 
head. — Occurs with the preceding, but not so common. 
166. Nomonyx dominicus ( Linn .) Ridgway. Black-masked Duck. 
— An accidental straggler from the West Indies and South America. Dr. 
Cabot found it on Lake Champlain (Proc. Bost. Soc. Nat. Hist., Vol. 
VI, P . 3750 
167. Mergus merganser americanus ( Cassin ) Ridgway. Shel- 
drake. Common summer resident, breeding on numerous lakes. Very 
abundant in the fall. 
168. Mergus serrator, Linn. Red-breasted Merganser. — Occurs 
during the migrations. 
169. Lophodytes cucullatus (. Linn. ) Reich. Hooded Merganser. 
— Tolerably common summer resident. 
170. Sula bassana(ZA?;z.) Brisson , Gannet. — Accidental straggler 
from the Gulf of St. Lawrence. 
171. Larus leuccpterus, Faber. White-winged Gull. — A rare win- 
ter visitor from the north. 
172. Larus argentatus smithsonianus, Cones. Herring Gull. — 
Common resident, breeding plentifully at those lakes that are not too 
exposed. 
173. Larus philadelphiae ( Ord') Gray. Bonaparte’s Gull. — Occurs 
during the migrations. 
174. Podiceps holboelli, Reinh. Red-necked Grebe. — Occurs dur- 
ing the migrations — in spring about the last of April. 
175. Podilymbus podiceps ( Linn .) Lawrence. Hell-diver. — 
Common summer resident. 
176. Colymbus torquatus, Briinnich. Loon. — A common summer 
resident. 
177. Colymbus septentrionalis, Linn. Red-throated Diver. — 
Occurs during the migrations. Have seen it at Big Moose Lake in Octo- 
ber. 
