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hanua and Ohio salmon. There are several species, which 

 at one time were the subjects of a large and valuable 

 trade, and which are still highly prized for their table 

 qualities. Their numbers have, however, greatly dimin- 

 ished. They require a free range of water, and caniiot 

 be confined to the narrow limits of private preserves. 

 Their cultivation and extension are solely a matter of 

 general public interest. They spawn early in April, and 

 the eggs if extruded by hand, must be kept in constant 

 motion for an hour and a half. They may be hatched 

 in the shad and Holton boxes, and require thirty one 

 days for development in water at a temperature of 34°. 

 In warmer water they will mature in ten days. 



Gold Fish and Caep — May be hatched precisely like 

 pike perch. They spawn in June and can be raised to 

 advantage by the artificial method, as in their natural 

 state the old ones devour the young as fast as they ap- 

 pear. Persons owning gold fish ponds are often sur- 

 prised that the number of the fish never increases, and 

 explain the phenomenon by the supposition that they do 

 not breed in confinement. This is a mistake ; they 

 breed freely and abundantly, but the fry are devoured 

 unless the pond has a shallow shelving edge, with grass 

 or weeds where they can lie and hide from the larger 

 ones. The motion of swallowing is peculiar. The prey 

 is not seized by being darted upon, but is sucked in by a 

 motion of the water into the mouth and out at the gills 

 of the larger fish. The latter will remain motionless 

 while his destined food approaches and pauses before his 

 jaws, when suddenly the youngling is drawn sideways 

 and disappears. The operation is well adapted to the 

 lazy motions of the gold fish. 



The eggs of these and kindred varieties may be hatch- 

 ed on baskets made of wicker or boughs, into which they 



