144 FISHES OF PENNSYLVANIA. 
G. 
Gadide, 1387 
Gar, alligator, 10 
Gar, bony, 10 
Gar fishes, 9 
Gar, short-nosed, 10 
Gar, silver, 97 
Gar, soft, 97 
Gar pike, 9 
Gar pike, common, 10 
Gar pike, long-nosed, 10 
Gar pike, short-nosed, 10 
Gars, bony, 9 
Gaspagie, 135 
Gaspereau, 58 
Gaspergou, 135 
Gasterosteidee, 98 
Gasterosteus, 98 
Gasterosteus aculeatus, 98 
Gasterosteus cataphractus, 99 
Ginglymodi, 9 
Glaniostomi, 5 
Glass-eye, 128 
Goggle-eye, 102, 104, 105 
Gold fish, 54 
Goujon, 18 
Gray-back, 58 
Grayling, 71 
Grayling, Alaskan, 71 
Grayling, Michigan, 71 
Grayling, Rocky Mountain, 71 
Green head, 131 
Grindle, 11 
Gronias, 17 
Gronias nigrilabris, 17 
Growler, 117 
Gudgeon, 39 
Gudgeon, New York, 85 
Gudgeon, Niagara, 47 
H. 
Hairy back, 64 
Halecomorphi, 11 
Hammer head, 27 
Haplomi, 84 
Hecht, 92 
Heimibranchii, 98 
Herring, branch, 58 
Herring, big-eyed, 58 
Herring, lake, 69 
Herring, river, 58 
Herring, spring, 58 
Herring, thread, 64 
Herring, toothed, 57 
Herring, wall-eyed, 58 
Herrings, 58 

Hiodon, 56 
Hiodon alosoiades, 57 
Hiodon tergisus, 57 
Hiodontidee, 56 
Hog fish, 122 
Hog molly, 27, 122 
Hog mullet, 27 
Horn-fish, 128 
Horn-pout, 16 
Horny-head, 50 
Horse fish, 130 
Hybognathus, 33 
Hybognathus nuchalis, 33, 35 
Hybognathus regius, 33, 34 
Hybopsis, 48 
Hybopsis amblops, 49 
Hybopsis bifrenatus, 37 
Hybopsis chalybeeus, 41 
Hybopsis dissimilis, 48 
Hybopsis kentuckiensis, 49 
Hyperoartia, 1 
Ichthyomyzon, 3 
Ictalurus, 12 
Ictalurus punctatus, 12 
Ictiobus, 21 
Ictiobus bubalus, 21 
Ictiobus carpio, 22 
Ictiobus cyprinus, 24 
Ictiobus difformis, 22 
Ictiobus urus, 21 
Ictiobus velifer, 23 
Tsospondyli, 56 
Jack, 91, 128 
Jerker, 50 
Jewel-head, 135 
John-a-grindle, 11 
John demon, 104 
Jumper, 117, 118 
Kk. 
Killifish, barred, 85, 86 
Killifish, common, 86 
Killifish, striped, 84, 85 
L. 
Labidesthes, 100 
Labidesthes sicculus, 100 
Lake cusk, 188 
Lamp-lighter, 102 
Lamprey, brook, 1 
Lamprey, mud, 1 
Lamprey, sea, 2 
