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Banding — an effe^i.vi i...-.iii^ ..■ i.i. i.. ii> u.^ iireeding birds with flyway routes, and of determining longevity, age and 

 .sex composition, and the wintering grounds of given i)<)i)ulations. A drive trap oi)erated l)y Bureau and cooperat- 

 ing personnel (top) that took 8.000 flightless ducks in .\ugust 10G4 on Ohtig Lake. Alaska, just north of the Arctic 

 Circle; and drive traps for geese (bottom, left) and ducks (bottom, right), both ojKTated by the South Dakota 

 Cooperative Wildlife Researcli Unit. (Photos by David It. Klein, top; and I'aul F. Springer, bottom, left and 

 right) 



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