WINTER ANGLING 



the top of the longer leg, and the tube is then 

 forced down into the water near the egg desired to 

 be brought up. Of course but little water can enter 

 the tube whilst the air is retained by the ball of 

 the thumb ; but as soon as the latter is removed 

 the air rushes out, and the water passing in with 

 great swiftness carries with it the egg or eggs you 

 wish to examine. If now the tube be held with its 

 contents between the eye and the light, the egg 

 which is dead will be seen to contain an immov- 

 able, mouldy-looking creature ; whereas, should 

 there be a live egg in its company, the embryo 

 will be seen to incessantly wriggle and move about 

 within its shelly covering. 



It will be well to* watch incessantly for the insect 

 enemies which, in spite of all care, will sometimes 

 creep into the trough. The larvae of all water-flies 

 and beetles are inimical to the well-being of both 

 the egg and alevin. If reasonable precautions be 

 taken, such as I have suggested, however, the tyro 

 need not fear such visitants. 



Our experimentalist will have had no opportu- 

 nity of watching the gradual development of the 

 ova from the moment of their impregnation to the 

 time they become " eyed ; " because, of course, he 



