. Fishes. Fishes. Percesoces and Rhegnopteri 441 dactylus virginicus, the barbudo, with seven filaments, is common in the West Indies and Florida. Polydactylus octonemus with eight filaments is more rare, but ranges further north. Poly- dactylus approximans, the raton of western Mexico, with six filaments, reaches San Diego. Polydactylus plebejus is common in Japan and other species range through Polynesia. In India isinglass is made from the large air-bladder of species of Poly- dactylus. The rare Polynenius quinquarius of the West Indies have five pectoral filaments, these being greatly elon
. Fishes. Fishes. Percesoces and Rhegnopteri 441 dactylus virginicus, the barbudo, with seven filaments, is common in the West Indies and Florida. Polydactylus octonemus with eight filaments is more rare, but ranges further north. Poly- dactylus approximans, the raton of western Mexico, with six filaments, reaches San Diego. Polydactylus plebejus is common in Japan and other species range through Polynesia. In India isinglass is made from the large air-bladder of species of Poly- dactylus. The rare Polynenius quinquarius of the West Indies have five pectoral filaments, these being greatly elongate, much longer than the body. No extinct Polynemida are Fig. 348a.—Striped MuUet, Mwjil cephalus (L.). Woods Hole, 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 Jordan, David Starr, 1851-1931. New York, H. Holt and Company
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