76 FISH CULTITKB. 



CHAPTEE III. 



ON THE TEANSPOET OF OVA AKD FEY. 



I MUST here say a few words on the transport of 

 ova and fry. I have previously pointed out the 

 period when it is most advisable that the ova should 

 he transported. The plan adopted at Huningue is 

 certainly the best known. A box is selected, a thick 

 layer of damp moss placed on the bottom, a sort of 

 bank or bolster of damp moss is then laid on this 

 around the sides, so as to leave a hollow iq the 

 centre. In this hollow a quantity of spawn is placed, 

 sufficient of course to occupy it. The whole is then 

 covered with another layer of damp moss. On this 

 the same process can, if necessary, be repeated, 

 untU the box is filled. Instead of a cover, strips 

 of wood are nailed across the top of the box, of an 

 inch or two in width, leaving spaces of a similar 

 width between to admit the air. This side, of course, 

 is to he kept upwards. In this manner the ova travels 

 safely for several days. I have already mentioned 

 the best means of conveying the ova when only 



