CONTENTS—-Cont inued 
TABLES 
a 
<. 
Oo OA Au BW 
a 
= 
-_ 
— 
12. 
13. 
14, 
15. 
16, 
Ne aN 
18. 
19, 
20, 
21. 
22, 
23, 
24, 
25, 
26. 
27. 
28. 
29. 
30. 
31, 
32. 
33. 
34, 
35. 
36, 
a7 
Wintering populations of waterfowl ...... 
Species composition of wintering populations .... 
Seasonal changes in waterfowl populations ...... 
Seasonal changes in species composition ....... 
Sample counts of waterfowl on fresh eStuarine bays ., 
Sample shore counts, slightly brackish eStuarine bays 
Sample shore counts on brackish eStuarine bays ... 
Sample counts on salt eStuarine bayS ......,., 
Sample counts on coastal bayS ...... 4.5. + 62. 
Sample counts in brackish estuarine bay marshes of 
Dorchester County (1954-57) ...., : A ‘ 
Waterfowl kill by Elliott Marsh Gun Club - 1955- 58, 
on 700-acre tract of brackish eStuarine bay marsh 
in Southern Dorchester County, Md. ......, 
Sample counts, fresh estuarine bay marshes (1946- 57). 
Sample counts, eStuarine river marshes (1955-58) ., . 
Characteristic plants of interior impoundments .. , 
Sample counts, interior impoundments on Patuxent 
Wildlife Research Center ........+ 5. @ 
Biogeographical distribution of wintering popula- 
tions of waterfowl: Averages for 1955-58 ..... 
Seasonal changes in biogeographical distribution .., 
Species composition, Upper Potomac section ..... 
Species composition, Central Potomac section .... 
Species composition, Lower Potomac section ..... 
Species composition, Patuxent River Section. ... . 
Species composition, Lower Western Shore section .. 
Species composition, Central Western Shore section . 
Species composition, Upper Western Shore section .. 
Species composition, Susquehanna Flats section .. . 
Species composition, Upper Eastern Shore section .. 
Species composition, Chester River section ..... 
Species composition, Eastern Bay section ..... . 
Species composition, Choptank River Section ..... 
Species composition, Blackwater-Nanticoke section. . 
Species composition, Lower EHaStern Shore section .. 
Species composition, Coastal section ..., , r 
Ecological distribution of Whistling Swans, 1958- 59 
Season 5) fx Fea stieh alee or ; i Se ee ee 
Biogeographical distribution of Whistling Swans, 
winters of 1955-58 .... ee eR eae Ghee eer ee 
Biogeographical distribution af Whistling Swans, 
TO9SS-59 SEASON! 920 o ie Sal Pe ce See eee Te eke 
Foods of Whistling Swans . ..-... . «© «= © © «© @s 
Biogeographical distribution of Canada Geese, 
winters oF “1955-580 poy as ah capes fee ot fag tar wh) alee la 
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