NATURAL HISTORY, TORONTO REGION 
justly esteemed, and in the markets they always sell 
for a high price. 
ORDER ISOSPONDYLI. (The Isospondylous 
Fishes. ) 
Hiopontrpaz. (The Moon-eyes.) 
20. Mooneye. Hiodon tergisus (Lesueur).—Oc- 
casional in Lake Ontario and sometimes strays into 
Toronto Bay, but is rare in this vicinity. It is a 
very handsome and good game fish, taking bait very 
readily, but its flesh is of no value as food. 
DorosommpaE. (Gizzard Shads.) 
21. Gizzard Shad. Dorosoma cepedianum (Le- 
sueur).—Taken in Lake Ontario, but very rare. It 
is a handsome species, but of no value for food. 
Cruperas. (The Herrings.) 
22. Gold Shad. Sawbelly. Pomolobus chryso- 
chloris (Rafinesque).—Has been occasionally taken 
in Lake Ontario. 
23. Gaspereau Alewife. Pomolobus pseudohar- 
engus (Wilson).—This fish is said to have been intro- 
duced into Lake Ontario in 1873 by mistake, the 
intention having been to stock the water with shad. 
Whether this is correct or not, the Gaspereau is now 
firmly established here, and in spite of the vast num- 
bers which die every summer it seems to be increas- 
258 
