. Fourteen weeks in zoology. Zoology. LopW/us americarius. Fishing Frog. iV- to move in every direction ; the other two turning only back- ward and forward. The sluggish creature lies in the mud at the bottom of the water, and, waving the first spine, attracts the curious fishes with this glistening bait; but, as they nib- ble, the rear spines knock them into its capacious mouth. P e r c i d ae (dusky). — Perch are found both in salt and fresh water. Their operculum is so constructed that they can be kept alive in the air for hours by occasionally pouring water upon their gills. Xiphiidse (swo
. Fourteen weeks in zoology. Zoology. LopW/us americarius. Fishing Frog. iV- to move in every direction ; the other two turning only back- ward and forward. The sluggish creature lies in the mud at the bottom of the water, and, waving the first spine, attracts the curious fishes with this glistening bait; but, as they nib- ble, the rear spines knock them into its capacious mouth. P e r c i d ae (dusky). — Perch are found both in salt and fresh water. Their operculum is so constructed that they can be kept alive in the air for hours by occasionally pouring water upon their gills. Xiphiidse (sword-like). — The Sword-fish is remarkable for its upper jaw being prolonged into a formidable weapon. As its food consists only of squid and small fishes, the use of the "sword" is a mystery.* Fig. Yellow Perch,. 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 Steele, Joel Dorman, 1836-1886. New York, Chicago [etc. ] A. S. Barnes & Company
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectzoology, bookyear1872
