KEY 
TO VYHE 
WATER BIRDS OF FLORIDA. 
Famity PODICIPID/E. GREBEs. 
Colymbus auritus. Podilymbus podiceps- Podilymbus podiceps. 
Length, 13.40; Wing, 5.40; Tarsus, 1.70; Bill, .go. Colymbus auritus. 
Horned Grebe. See page 185 
Length, 13.50: Wing, 5; Tarsus, 1.45; Bill, .go. Podilymbus podiceps. 
Pied-billed Grebe. See page 186 
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