The Hatching Apparatus. 2 1 



CHAPTER III. 



THE HATCHING APPARATUS. 



IN this country troughs of wood, slate, or terra- 

 cotta are almost universally in use for this pur- 

 pose, and it must be confessed that for the 

 amateur, at any rate, they are unquestionably 

 the best and handiest form of apparatus. It 

 may be very different in large establishments, 

 where many hundreds of thousands of eggs are 

 annually received ; but, as this little work is in- 

 tended for the beginner and not for the pro- 

 fessional pisciculturist, we omit all mention of the 

 new American process and apparatus as foreign 

 to the nature of the work, especially as they have 

 not yet received a sufficient trial in this country. 

 Having thus determined on the employment 

 of troughs, the next question is the material best 



