oir 



WATER BIRDS 



PART 1 



KEf^T© fWE FAMILIES AND $PECIES 



ligi^^ CORY 



Cut^or of Pifi$i0iuM,€if^B^ithaiogy in fhel^eld; Cpfuthjlfmft Hfuaeum 



at=>mctim^ boition 



raOrHKD fob the 



FIELD COLtiTM^^AN MUSEUM 



, ;; . ./^JIP^GO,. ILL. 

 1S90 



