86 FISH CULTURE. 



a small force-pump, the water can be forced up again 

 into the cistern, and may be used again and again. 

 If, however, the house be one well furnished with 

 water and large cisterns, a very small pipe to con- 

 vey the water to the troughs or gutters, and another 

 to carry it off, will then be all that is necessary. Of 

 course, such an apparatus may be made as tasteful 

 and appropriate to the place it is consigned to as the 

 owner may please. Herewith I append a plan of 

 a parlour apparatus of my own designing. The upper 

 engraving shows the lid of the upper cistern (1) 

 open. The lower one has the cistern shut, but the 

 sides are let clown to form a tray (7), into which the 

 voting fish can be removed for rearing. The lower 

 cistern is shown by Fig. 2 ; the waste tap at (3), 

 whence the water can be drawn off; the supply 

 tap at (5) ; this either into the hatching trays (4, 4, 4) 

 or into the rearing tray (7). The force-pump is 

 indicated at (6) ; (8) is a waste-pipe screwed on to 

 let the water run from the rearing tray into the 

 lower cistern. Fig. (a) shows an enlarged end of 

 each of the trays with the lip, whence the water drips 

 into the next tray. This apparatus would be in 

 almost general use, I am fully convinced, if any esta- 

 blishment whence the ova could be obtained were in 

 existence. Many ladies as well as gentlemen would 



