KliY TO THE WATJvR IJIRDS, OK FLORIDA. 



171 



Length, 27.50: Wing, 10.50; Tarsus, 3.60; Bill. 3.10. 

 Plumage tawny Inown, streaked with dark brown. 



Botaurus lentiginosus. 

 American Bittern. See page 247 



Length, 26 ; Wing, 10; Tarsus, 3.50; Bill, 3.80. Elon 

 gated feathers on crown chestnut and white ; 

 throat white with brown stripe down the 

 middle. 



Ardea tricolor ruficollis. 



Louisiana Heron. See page 254 



Length, 24; Wing, 12; Tarsus. 3.60: Bill, 3. Bill 

 thick — l)lack : crown of head white and buff. 

 Immature birds are mottled brown having outer 

 web of primaries slate color, not rufous brown. 



Nycticorax violaceus. 

 Yellow=crowned Night Heron. 



See page 259 



Length, 24: Wing, 12; Tarsus, 3.40; Bill, 3. Bill 

 thick — black: crown greenish blaclc. Imma- 

 ture birds are mottled brown, having the outer web 

 of primaries pale rufous brown. 



Nycticorax nycticorax nasvius. 

 Night Heron. See page 258 



Length, 22.50: Wing, 10: Tarsus. 3.60: Bill, 3. Head 

 and neck purplish brown : rest of plumage slaty 

 blue : legs and feet black. 



Ardea coerulea. 

 Little Blue Heron (adult). 



See page 256 



Length, 22: Wing, 10: Tarsus. 3.60: Bill, 3. 

 mage partly grayish blue, partly white. 



Plu- 



Ardea coerulea. 

 Little Blue Heron (immature). 



See page 256 



Length, 17 : Wing, 7 : Tarsus, i.So ; Bill, 2.50. Crown 

 dark greenish ; neck chestnut with a Hne of buffy 

 white down the middle of throat; legs greenish 

 yellow ; belly pale. 



Ardea virescens. 

 Qreen Heron. 



See page 257 



