183. Cygnus americanus Sharp. American or Whistling Swan.—Sometimes these birds winter abundantly on Galveston Bay.
184. Anser hyperboreus Pall. Snow Goose; White Brant.—Exceedingly abundant on Galveston Bay, also on the rivers and bayous near the Gulf Coast in winter.
185. Anser albifrons gambeli Coues. American White-fronted Goose.—This is the first Goose to arrive from the north in autumn, but they all migrate farther south.
186. Bernicla canadensis Boie. Canada Goose.—Exceedingly abundant during winter. Large flocks are to be observed on the wet prairies in company with Cranes.
187. Anas boscas Linn. Mallard.—Very common during migrations and in winter.
188. Anas obscura Gmel. Black Duck; Dusky Duck.—Common during the breeding season. A pair of these Ducks are seen in almost every pond among Herons, Roseate Spoonbills, Anhingas, Gallinules, and Blackbirds (Agelæus phœniceus).
189. Dafila acuta Bonap. Pintail Duck.—Common during migrations.
190. Chaulelasmus streperus Gray. Gadwall.—Exceedingly abundant during winter.
191. Mareca americana Steph. American Widgeon.—Common during migrations.
192. Querquedula carolinensis Steph. Green-winged Teal.—Very common in autumn and spring, rather rare in winter.