28. Lanivireo flavifrons (Vieill.) Bd. Yellow-throated Vireo.—A pair taken on March 25.
29. Vireo atricapillus, Woodh. Black-capped Vireo.—One specimen, March 27. Could I have remained a few days later, other specimens would have undoubtedly been detected.
30. Vireo noveboracensis (Gm.) Bp. White-eyed Vireo.—Common summer resident, first seen on March 13.
31. Lanius ludovicianus excubitorides (Sw.) Coues. White-rumped Shrike.—Of irregular and uncommon occurrence. I obtained one specimen of ludovicianus proper.
32. Ampelis cedrorum (Vieill.) Bd. Cedar Bird.—Very irregular in its occurrence, and never common.
33. Progne subis (Linn.) Bd. Purple Martin.—Common summer resident. Arrived from the south, Feb. 17.
34. Petrochelidon lunifrons (Say) Lawr. Eave Swallow.—Common summer resident. Arrived about March 20. The cañon, to which I have several times alluded, contained many nests of this bird.
35. Hirundo erythrogastra, Bodd. Barn Swallow.—Common summer resident. A single individual seen on March 4, but no others noticed until the 10th of the month when there was a general arrival.
36. Stelgidopteryx serripennis (Aud.) Bd. Rough-winged Swallow.—But two observed,—March 3 and 4.
37. Pyranga æstiva (Linn.) Vieill. Summer Redbird.—One specimen taken in April.