BIUI>S OF >K>V VOUIv 



Memoir 12. N. Y. Stale Museum 



Plate 23 



GREEN HERON JJidiii idtf ricfwrii" (Linnaeus) 



ADULT 



AMERICAN BITTERN Bolaurus Icnliginosii-' (MontiigiO 



All i nat. size 



LEAST BITTERN JjotjJ l/i 'i »-< ( i Wi- l.im-lni 



ccuAi F MALE 



