CONTENTS 



OP 



VOLUME FOURTH. 



PAGE 



MEMOIR OF WILSON . . . . .17 



CHRONOLOGICAL TABLE . .51 

 NATATORES, or SWIMMING BIRDS. Introduction . 55 

 ANATIDJS ...... 60 



Bean Goose, Anser segetum , . 62 



Grey Lag Goose, Anser ferus . . .68 



Pink-footed Goose, Anser brack'yrhyncAas . 70 

 White-fronted Goose 



Anser erythropus. Plate L . .75 



Bernicle Goose, Anser leucopsi* . . .77 



Brent Goose, Anser brenta . . .80 



Red-breasted Goose, Anser ruficottis . 82 



Canada Goose, Anser Canadensis . . 84 



Egyptian Goose, Chenalopex EgypHaca . . 87 



British Swans. Plate II.* . . . 92 

 Mute or Tame Swan. 



Cygnus olvr. Plate II.* Fig. 2. . . 92 

 Hooper or Wild Swan. 



Cygnus ferus. Plate II.* Fig. 1. . .94 

 Bewick's Swan. 



Cygnus BewiddL Plate II.* Fig. 4. .96 

 Polish Swan. 



Cygnus immutabttis. Plate II.* Fig. 2. . 97 

 Common Sheildrake. 



Tad&rna Belonii. Plate II. . . .101 



Ruddy Sheildrake, Tadorna rutila . . ] 04. 



Common Wild Duck, Boschasfera . . i06 



Common Teal, Boschas crecca. Plate III. . .113 



Duo.V. jftnKrJifjs rirria . . , 1 J .5 



