KEY TO THE WATER BIRDS OF FLORIDA. 



259 



Nycticorax nycticorax nasvius (immature). 



Subgenus NYCTHERODIUS Reich. 



NYCTICORAX VIOLACEUS (Z/w/.). 

 Yellow-crowned Night Heron. 



(Adult.) 



Top of the head whitish buff extending into a crest ; sides of the head black; throat black ; 

 breast and under parts grayish plumbeous ; back plumbeous : two or three very long feathers 

 extending as long plumes from the crest ; legs greenish. 



