. Bulletin. Natural history; Natural history. November, 1944 Bellrose: Duck Populations and Kill 335 quotient is given to the ratio that exists optimum dates for the hunting season, between the percentage a species con- This relationship is expressed by a tributes to the duck bag and the per- mortality quotient^ which is similar to the centage that species makes of the duck vulnerability quotient except that it I5-- I O 5' 0-- < \- o \- H z U 5 tr UJ a. t (0 o D < rvj I —« WATERFOWL FLIGHT — WATERFOWL FLIGHT OTHER THAN MALLARD 1939. HUNTING SEASON. Please note that these images are extra
. Bulletin. Natural history; Natural history. November, 1944 Bellrose: Duck Populations and Kill 335 quotient is given to the ratio that exists optimum dates for the hunting season, between the percentage a species con- This relationship is expressed by a tributes to the duck bag and the per- mortality quotient^ which is similar to the centage that species makes of the duck vulnerability quotient except that it I5-- I O 5' 0-- < \- o \- H z U 5 tr UJ a. t (0 o D < rvj I —« WATERFOWL FLIGHT — WATERFOWL FLIGHT OTHER THAN MALLARD 1939. HUNTING SEASON. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Illinois. Natural History Survey Division. Urbana, State of Illinois, Dept. of Registration and Education, Natural History Survey Division
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Keywords: ., booka, bookcentury1900, bookdecade1910, booksubjectnaturalhistory
