60 FISH CULTURE. 



until the water in the tin is perfectly clear. During 

 this process the operator should pick out any foreign 

 substance that may have found its way into the tin, 

 and when the water is quite clear the whole may be 

 carefully poured into a small tin pail holding from 

 half a gallon to a gallon of water, the pail being 

 about one-third full of water. The lid of this can 

 should be well perforated to admit air ; it should be 

 placed on one side where it is not likely to be upset. 

 Meanwhile the manipulator can continue his opera- 

 tions, and when sufficient spawn has been collected 

 for the purpose the can, which should not be more 

 than half or two-thirds full of water, can be taken 

 to any reasonable distance safely, provided no rude 

 shaking of it takes place. To this end it is advisable 

 that the person in charge of it should hold it in his 

 hand swung by the handle. 



I have here given the usual plan of taking spawn 

 from fish. I will now give a better one the one 

 adopted by Mr. Glover, to whose skill I have already 

 referred. In holding the female fish as already de- 

 scribed, the spawn has to fall from the fish, pass 

 through the air, and strike the surface of the water 

 as it enters it. All this is unnatural and objection- 

 able, more particularly the shock the ova receives 

 when it strikes the water. Moreover, when thus 



