FOSSIL BIRDS. 413 



Ardea paloccidentalis Shufeldt. 



Ardea -paloccidentalis Shufeldt, Amer. Nat., XXV, No. 297, Sept., 1891, 

 820. 



Pleistocene: Fossil Lake, Oregon. 



Genus CASMERODIUS Gloger. 



Casmerodius Gloger, Hand- und Hilfsbuch Naturg., 1842 [pp. 1-450, 

 1841], 412. Type, by subs, desig., Ardea cgretta Gmelin (Salvadori, 

 1882). 



Casmerodius albus (Gmelin). American Egret. 



Ardea cgretta Gmelin, Syst. Nat., I, Pt. ii, 1789, p. 629. 

 Modern form reported from Pleistocene: Melbourne, Seminole Field, and 



Venice, Florida. 



Genus EGRETTA Forster. 



Egretta T. Forster, Synop. Catal. Brit. Birds, 1817, 59. Type by mono- 

 typy, Ardea garzetta Linnaeus. 



Egretta thula (Molina). Snowy Egret. 



Ardea Thula Molina, Sagg. Stor. Nat. Chili, 1782, 235. 

 Modern form reported from Pleistocene: Bradenton, Florida. 



Genus HYDRANASSA Baird. 



Hydranassa Baird, in Baird, Cassin, and Lawrence, Rep. Expl. and 

 Surv. R. R. Pac, IX, 1858, 660. Type, by orig. desig., Ardea ludovi- 

 ciana Wilson = Egretta ruficollis Gosse. 



Hydranassa tricolor (Muller). Louisiana Heron. 



Ardea tricolor Mtjller, Natursyst. Suppl., 1776, 111, 

 Modern form reported from Pleistocene: Seminole Field, Florida. 



Genus FLORIDA Baird. 



Florida Baird, in Baird, Cassin, and Lawrence, Rep. Expl. and Surv. 

 R. R. Pac, IX, 1858, xxi, xlv, 659, 671. Type, by monotypy, Ardea 



caerulca Linnaeus. 



Florida caerulea (Linnaeus). Little Blue Heron. 



Ardea caerulea Linnaeus, Syst. Nat., ed. 10, I, 1758, 143. 

 Modern form reported from Pleistocene: Seminole Field, Florida. 



