Xll 
The Natural History of British Ducks 
PLATE 
VII. 
MALLARD, ADULT MALE, SHOWING THE DOUBLE MOULT THAT TAKES PLACE 
BETWEEN THE DATES JULY 6 AND OCTOBER i, AND THE COLOUR AND 
PATTERN SYMPATHY WHICH ALSO OCCUR 
io face p. 
22 
VIII. 
MALLARD, PASSAGE OF PLUMAGE OF THE MALE FROM FIRST PLUMAGE 
MATURITY. BREASTS . . . . • • • • . . 
TO 
j> 
25 
IX. 
MALLARD, PASSAGE OF PLUMAGE OF THE MALE FROM FIRST PLUMAGE 
MATURITY. BACKS .......... 
?> 
24 
X. 
MALLARD, IMMATURE MALES, 5 MONTHS, 3 MONTHS, AND 6 MONTHS 
5> 
24 
XI. 
MALLARD, FEMALE TYPES. BREASTS AND BACKS 
5> 
26 
XII. 
GAD WALL, ADULT MALE IN ECLIPSE PLUMAGE 
J) 
29 
XIII. 
GADWALL, TYPES OF MALE AND FEMALE ....... 
5) 
36 
XIV. 
WIGEON, ADULT MALE IN ECLIPSE AND YOUNG MALE IN FIRST PLUMAGE 
J> 
38 
XV. 
WIGEON, SHOWING THE LIFE HISTORY OF THE MALE FROM FIRST PLUMAGE 
MATURITY ............ 
TO 
48 
XVI. 
WIGEON, IMMATURE MALES, 7 MONTHS OLD ....... 
J » 
50 
XVII. 
WIGEON, IMMATURE MALES AND OLD FEMALE ASSUMING MALE PLUMAGE . 
5J 
SO 
XVIII. 
EGGS AND YOUNG IN DOWN OF THE WIGEON AND THE PINTAIL . 
)5 
53 
XIX. 
UPPER FIGURES, SHOWING SOME CURIOUS COLOUR AND PATTERN CHANGES IN 
THE FEATHERS OF MALE WIGEON. LOWER FIGURES, TYPES OF FEMALE 
WIGEON ............. 
S ) 
52 
XX. 
THE AMERICAN WIGEON, ADULT MALE, FEMALE, AND YOUNG MALE 
?5 
55 
XXI. 
SHOVELER, ADULT MALE AND FEMALE IN AUGUST ..... 
J» 
58 
XXII. 
>> 
62 
XXIII. 
SHOVELER, ADULT MALE IN ECLIPSE AND YOUNG MALE IN FIRST PLUMAGE 
>> 
66 
XXIV. 
5? 
66 
XXV. 
TYPES OF MALE SHOVELERS AT VARIOUS AGES. BACKS .... 
5? 
69 
XXVI. 
TYPES OF MALE SHOVELERS AT VARIOUS AGES. BREASTS . . . . 
J> 
68 
XXVII. 
EGGS AND YOUNG IN DOWN OF THE SHOVELER AND THE AMERICAN GREEN- 
WINGED TEAL ............ 
?) 
69 
XXVIII. 
3J 
68 
XXIX. 
GARGANEY, ADULT MALE IN ECLIPSE PLUMAGE 
)) 
71 
XXX. 
GARGANEYS RUSHING TO CATCH WATER-BEETLES AS THEY RISE . 
5> 
72 
XXXI. 
TEAL, ADULT MALE IN ECLIPSE, AND ADULT MALE CHANGING FROM ECLIPSE 
WINTER DRESS . . 
TO 
79 
