CONTENTS. XI 



Method ; 4. Clark's Method ; 5. Holton's Method ; 



6. The Use of deep Trays with the Williamson Hatch- 

 ing Troughs 47-79 



CHAPTER V. 



THE NURSERY. 



Introduction. — The Water. — Methods of Rearing. — 

 Ponds vs. Rearing-Boxes. — Rearing-Boxes ; Essential 

 Points of: I. A Fall of Water ; 2. A Current; 3. Pro- 

 tection against Suction; 4. Security from Overflow; 

 5. Absence of fixed Hiding- Places ; 6. Compactness; 



7. Protection against Outside Enemies; 8. Perfectly 

 Tight Joints; 9. Protection against Fungus. — Maxi- 

 mum and Minimum Supply of Water. — Arrangement 



of Rearing-Boxes. — Directions for Ponds . . 80-90 



PART II. 

 PROCESSES IN TROUT BREEDING. 



CHAPTER I. 



TAKING THE EGGS. 



Introduction. — Preparations for the Spawning Season. — 

 The Spawning Season. — Appearance of the Two Sexes. 

 — The First Fish up. — Method of Capturing. — Hold- 

 ing the Fish. — The Writer's Method. — Directions 

 about Handling. — Impregnating the Eggs. — Russian 

 Method. — Russian vs. American Theory. — How to tell 

 Ripe Fish. — Further Directions for Impregnating the 

 Eggs : 1. Use Eggs that flow easily, and no others ; 

 2. Use good Milt and plenty of it ; 3. Make Quick Work 

 in Impregnating the Eggs ; 4. Allow the Eggs Ample 

 Time to separate ; 5. Rinse thoroughly ;. 6. Practise to 

 acquire Dexterity. — Closing Notes. — Time of Spawn- 

 ing.— Age.— Number of Eggs.— Effectof the Weather. 



