ARDEID^: HERONS. 



655 



in vogue have been successively lU'tachcd from Anlea, the typical one, with which many 

 of them should be reunited. The " Night Herons" {Nyctiardea and Nycterodius) differ some- 



FlG. 45C. —Herons, idealized from Ardca c'nicixa. (From ISIiclielet.) 



what in shortness and especially stoutness of bill; while the Bitterns (Botcmrus and Ardefta). 

 the South American genera ligrisoma, Zehrilus, and a few others, are still better marked. 



