115 



Family CYPSELID-33. 

 Genus Chsetura Stopli. 



150. C. pelagica Bd. Swift. Common iu summer. Arrives the 

 first of May and departs the hast of August and first of September. 



Family TROCHILID^. 

 Genus Trochilus Idnn. 



151. T. colubris Linn. IIuby-tiiuoated Hummer. Common 

 summer resident. Arrives May 10th to 18th and departs the last of 

 September. 



Family CUCULIDiE. 

 Genus Coccygus Vieill. 



152. C. americanus Bonap. Ykf-low-billed Cuckoo. Rather 

 common summer resident. Arrives the middle of May and departs 

 the first of September. 



153. C. erythrophthalmus -Z3o«. Black-cilled Cuckoo. Com- 

 mon in summer during the same time as the preceding. Arrives per- 

 haps a few days earlier. The two species are of irregular distribution, 

 and are not generally found together in the breeding season. 



Family PICID-ai. 

 Genus Picus Linn. 



154. P. villosus Linn. Haiky Woodpecker. Resident. More 

 abundant in winter. Rather uncommon in summer. 



155. P. pubescens Linn. Downy Woodpecker. Resident. 

 Much more numerous at all seasons than the preceding. 



Genus Picoides Lac. 



156. P. arcticus Gray. Black-backed Three-toed Wood- 

 pecker. Rare winter visitant. A specimen was shot from a tele- 

 graph pole, in Chicago, a few years since, by Dr. Velie. It is a 

 common species in Northern Wisconsin, and before the pines along 

 the Lake were destroyed was probably a regular winter visitant to 

 this state. 



Genus Sphyropicus Bd. 



157. S. varius Bd. Yeli.ow-bei.likd Woodpecker. Very com- 

 mon in the migrations from March 25th to the middle of May, and the 

 middle of September to October 10th. Males in spring often have 

 the white nuchal baud tipped with red much as in var. 7uichalis. In 



