ascertained to occur in Illinois. ^11 



Family TROCHILID^. The Hummiug Birds. 

 Subfamily Trocuilin^. 

 Genus TrocJiilus, Liuuaeus. v 



* 148. T. colubris Linn. Kubj-throated Hummer. Summer so- 

 journer. 



(Cuc^iU.) 



Family CUCULID^. The Cuckoos. 



Subfamily Coccygin^. 



Genus Coccygus, Vieillot. 



* 149. C. Americanus (Linn .). Yellow-billed Cuckoo ; "Rain Crow;" 

 " Wood Pigeon." Summer sojourner. 



*150. C. erythrophthaJmus (Wils.), Black-billed Cuckoo; Red-eyed 

 Cuckoo. Summer sojourner. 



(Pici.) 



Family PICID^. The Woodpeckers. 



Subfamily Picin^. 



Genus Campepliilus, Gray. 



*151. G. principalis (Jj inn.). Ivory-billed Woodpecker; "Big Log 

 Cock." Resident. Ohio, lower Mississippi (?) and lower Wabash bot- 

 toms only. 



Genus Picus, Linnaeus. 



*152. P. villosiis Linn. Hairy Woodpecker; "Big Sapsucker." 

 Yay. villosus, Linn., resident. Var. Auduboni, summer sojourner (resi- 

 dent?) in southern portion. 



* 153. P. piibescens L. Downy Woodpecker; "Little Sapsucker" 

 " Guinea Woodpecker." Resident. 



Genus Picoides, Lacepede. 



154. P. arcticus (Swains.). Black-backed Three-toed Woodpecker. 

 Winter visitant to northern portion. (Velie.). 



Genus Sphyropicus., Baird. 

 *155. S. varius (Linn.). Yellow-bellied Woodpecker; Red-throated 

 Woodpecker. Winter sojourner in southern portion ; resident in northern 

 part? 



Genus Dryocopus Boie. 

 Subgenus Hylotomns, Baird. 



* 156. D. pileatus (Linn.). Pileated Woodpecker; "Black Wood- 

 cock;" "Log cock." Resident. 



