. Elements of zoölogy : a textbook. Zoology. 164 VERTEBEATA: AVES OR BIRDS. in front, separated from the rest of the tarsal covering by a groove. The Ravens are the largest of the Corvidse, being about two feet long, and readily distinguished from the Crows, not only by their larger size, but by the feathers of the throat, which are long, acute, and separated; while the feathers on the throat of the Crows are oval in shape and closely blended. FIG. Magpie, Pica hudsonica, Bonap. The Magpies (Pica) have the bill much curved, and the tail exceedingly long, making the total length of the bi
. Elements of zoölogy : a textbook. Zoology. 164 VERTEBEATA: AVES OR BIRDS. in front, separated from the rest of the tarsal covering by a groove. The Ravens are the largest of the Corvidse, being about two feet long, and readily distinguished from the Crows, not only by their larger size, but by the feathers of the throat, which are long, acute, and separated; while the feathers on the throat of the Crows are oval in shape and closely blended. FIG. Magpie, Pica hudsonica, Bonap. The Magpies (Pica) have the bill much curved, and the tail exceedingly long, making the total length of the bird about h'fteen or twenty inches (Fig. 192).. 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 Tenney, Sanborn, 1827-1877. New York : Scribner
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