New Rvezres ry Domestic Crrcies. 387 
the double row of boxes, and the other from the bed of the 
rill. The superficial area of each was two hundred and forty 
yards, being much too small, as finally ascertained, for the 
hosts of fry with which they were ultimately tenanted. 
SECURING THE OVA OF A SALMON. 
The process by which a salmon is made to exude its roe or 
milt is illustrated by the engraving; but the abdomen of the 
fish should be kept under water, and a napkin is better than 
the naked hand wherewith to hold the tail. It being diff- 
cult to hold a salmon, three persons are frequently required. 
But what says our authority ? 
In order to obtain the spawn in a perfectly mature state, 
the fish were taken from the spawning-bed in the very act of 
its deposition. They were caught with nets at might. When 
taken they were instantly, and without injury, put mto an 
oval tub one fourth full of water. So soon as a pair of suita- 
ble fish were captured, the ova from the female was immedi- 
ately discharged into the tub by a gentle pressure of the 
hands from the thorax downward. The milt of the male was 
Sit re 
i ise 
ejected in a similar manner, and the contents of the tub gen- 
tly stirred with the hand. After the lapse of a minute the 
