28 Trout Culture. 



In addition to his other apparatus the fish- 

 breeder will require a few (one or two) glass 

 tubes for moving and examining eggs and fry. 

 No description need be given of them, as the 

 curator of the Museum of Fish Culture at South 

 Kensington always has a stock for sale. They 

 are used as follows : The tube is lightly held 

 by the third and fourth fingers of the right 

 hand, in such a manner that the thumb can 

 easily close the end ; the thumb being pressed 

 on the end, the bent part is thrust gently into 

 the water towards the eggs or fry to be lifted. 

 The thumb is then suddenly removed from the 

 end of the tube for a moment, when the water 

 and eggs, &c, will rush up. The thumb is again 

 applied, and the other end of the tube raised by 

 a circular motion of the wrist, when its contents 

 may be examined, and, on removing the thumb, 

 may be returned to the trough or any other 

 vessel. A few trials give dexterity in the use of 

 this serviceable little piece of apparatus. A few 



