{148 THE NATURALIST’S GUIDE. 
. 231. Chaulelasmus streperus, Gray. — Gadwall, 
“Gray Duck.” Kare in spring and autumn. 
232. Mareca Penelope, Bon. — Huropean Widgeon. 
Straggler from Europe. Mr. Samuels says it has been 
‘taken in the State. 
233. Mareca Americana, SrerH. — American Widyeon. 
» Baldpate.” Not wacommon during the migrations. 
234. Aix sponsa, Swain. — Wood Duck. Common 
Bummer resident. 
235. Fulix marila, Bairp. -— Scaup Duck, “ Black- 
head, “ Blue-bill.” Not common on the migrations. 
236. Fulix affinis, Bairp. — Little Black-head. are 
during the iugrations. 
237. Fulix collaris, Bairp. — Ring-necked Duck. 
Rare in spring and autumn. This and the three pre- 
ceding frequent the ponds and rivers of the interior. 
238. Aythya Americana, Bon. — Red-heuad. Rare 
in autumn. 
239. Aythya vallisneria, Bon. — Canvas-back. Rare 
in autunm. Plentiful in Boston markets, but brought 
from farther south. 
240. Bucephala Americana, Barrp. — Golden-Hye, 
“ Whistler.” Common during winter. Exccedingly shy. 
241. Bucephala albeoia, Bairn. — Bufle-head, “ But- 
ter-ball,” “Dipper.” Not uncommon in autumm and winter. 
242. Histrionicus torquatus, Bon. — Harlequin 
Duck, “Lord.” Very rare during winter. 
243. Harelda glacialis, Lracu. — Long-tailed Duck, 
“Old Wife,” “Old Squaw,” ‘South Southerly.” Abun- 
dant spring and autumn migrant; some winter. 
244. Camptoleemus Labradorius, Gray. — Labra- 
dor Duck. Rare during winter. 
245. Melanetta velvetina, Bairv. — Velvet Duck, 
* White-winged Coot,” “ Butter-bill.” Common during win- 
ter on the coast. 
