. The birds of Illinois and Wisconsin. Birds; Birds. 172 Field Museum of Natural History—Zoology, Vol. IX. Wing, usually under ; under mandible, straw color or yellowish white; throat, white; belly, whitish, faintly tinged with yellow; back, olive green; first primary, about as long as fifth. Empidonax virescens. Green-crested or Acadian Flycatcher. See No. 213. Wing, under ; upper parts, tinged with olive brown; throat, white; under mandible, yellowish white; eye-ring and wing bars, pale tawny; first primary, shorter than fifth. Empidonax traillii, and races. Traill's Flycatcher. See
. The birds of Illinois and Wisconsin. Birds; Birds. 172 Field Museum of Natural History—Zoology, Vol. IX. Wing, usually under ; under mandible, straw color or yellowish white; throat, white; belly, whitish, faintly tinged with yellow; back, olive green; first primary, about as long as fifth. Empidonax virescens. Green-crested or Acadian Flycatcher. See No. 213. Wing, under ; upper parts, tinged with olive brown; throat, white; under mandible, yellowish white; eye-ring and wing bars, pale tawny; first primary, shorter than fifth. Empidonax traillii, and races. Traill's Flycatcher. See Nos. 214, 214a. GROUP 4. Wing, to inches long. Both mandibles, blackish; back brownish olive, under tail coverts, pale yellowish white. Sayornis phcBhe. Phoebe Flycatcher. See No. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Cory, Charles B. (Charles Barney), 1857-1921. Chicago
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