K Old-wife, see Balistes, p. 104 hearing of, ib. touch of, 75 Opercles, branchial, 69 87 Ophicephalus, characters of, 93 ib. species of, ib. smelling of, ib. Ophidium, characters of, 82 motions of, Orders of fishes, characters of, 79 migration of, 76 species of, ib. Organs of fishes, 72 mostly voracious, 67 Ostracion, characters of, 103 oviparous, ib. eggs of, immense, 78 species of, ib. Ova of fishes, evolution of, 77 great age of some, ib. number of, immense, 78 systematic exposition of, 79 Leptocephalus, characters of, 83 are deposited in differ orders of, ib. species of, ib. P Flounder, see Pleuronectes, 90 Lonchurus, characters of, 93 Flying-fish, see Exocoetus, Gadus, characters of, species of, ib. species of, ib. Lophius, characters of, ib. species of, ib. 84 Loricaria, characters of, ib. Gasterosteus, characters of, 95 species of, Lump-fish, or lump-sucker, see Cyclop ib. esteemed by the Romans, ib. Petromyzon, characters of, 109 species of, Gastrobranchus, characters of, ib. ib. Physiology of fishes, 73 species of, Pike, see Esox, 99 Gills, the organs of respiration in voracity of, 100 fishes, Pilot-fish, see Scomber, 95 Gilt-head, see Sparus, 92 Mackrel, see Scomber, 95 Pilchard, see Clupea, ΙΟΙ greatly prized by the Greeks Membrane, branchial, 69 Plaise, see Pleuronectes, and Romans, Gobiomorus, characters of, Platystachus, characters of, species of, 97 ib. species of, Pleuronectes, characters of, 91 Gobius, characters of, 88 Miller's thumb, see Gobius, ib. species of, ib. Modern writers on fishes, 66 Polynemus, characters of, 101 Gold-fish, or gold-carp, see Cyprinus, 102 Minow, see Cyprinus, Gomphosus, characters of, 93 Mormyrus, characters of, 103 Polypterus, characters of, 100 species of, ib. species of, ib. Grayling, see Salmo, 98 Motion of fishes very rapid, 75 Gudgeon, sea, or goby, see Gobius, 88 instruments of, Gurnard, see Trigla, 96 Migration of fishes doubted, Gymnetrus, characters of, 87 Monopterus, characters of, species of, ib. species of, ib. Ray, a writer on fishes, 108 ib. 66 Gymnotus, characters of, 80 Morris launce, see Leptocephalus, 83 species of, ib. Mugil, characters of, 100 Remora, or sucking-fish, see Echeneis, 88 marvellous account of, among the ancients, H Mullus, characters of, 96 Reproduction of fishes, ib. Respiration of fishes, 85 68 the Romans, 74 barbatus, esteemed much by Multiplication of fishes, methods pro performed by gills, ib. effects of, on the air, 72 posed, 110 Roach, see Cyprinus, Roe, or ova of fishes, ib. 77 73 ib. ib. 102 72 S |