List of Tables - Continued 
Table 
36-6 
37. 
38. 
39. 
40. 
42. 
43. 
4h 
46. 
47. 
48. 
49. 
50. 
51. 
52. 
536 
54. 
55.- 
Mallard age ratios from bag-checks in the Mississippi 
Flyway: Swamary of data presented by Arthur S. Hawkins 
in memos to the Mississippi Flyway Council ccccceccoeccscce 
Summary of mallard age ratios in supplemental wing 
COLLECEION coveccccerccccccccccccccescccsesccccevccesceeece 
Regional Differences in age ratios of Black Ducks ccsccecscoe 
Seasonal changes in age ratios ef Black Ducks cececcccecccces 
Regional differences in age ratios of American Widgeon .seooe 
Regional Differences in age ratios of Green-winged Teal «ooee 
Seasonal changes in age ratios of Green-winged Teal ceccsoces 
Regional differences in age ratios of Blue-winged Teal ...... 
Seasonal changes in age ratios of Blue-winged Teal .ecocceces 
Regional differences in age ratios of Pintails cccesccsccceced 
Seasonal changes in age ratios of Pintails in Minnesota ..oce 
Age ratios of Pintails from supplemental wing collection .... 
Regional differences in age ratios of Wood Ducks .occcecscecs 
Regional differences in age ratios of Lesser Scaup ecoeeoesece 
Seasonal changes in age ratios of Lesser Scaup eacesecccceoce 
Regional differences in age ratios of Ring-necked Ducks .cose 
Seasonal changes in age ratios of Ring-necked Ducks 
in Minnesota eeeecesocecese@eeoeeeegcnoees oes ocaocovoaseoccesoeooe eden 
Sex ratios of ducks in the wing collection samples .ecsceeoes 
Page 
85 
86 
91 
91 
92 
93 
93 
94 
94 
95 
95 
96 
97 
oF 
98 
98 
98 
$9 
Regional differences in sex ratios of adult Mallards ...secoe 103 
Seasonal changes in sex ratios of adult Mallards 
in the Mississippi Flyway eaeeeecoccecscaececesereocscoosenoe 
yil 
104 
