iv CONTENTS. 



PART II. 

 The Ponds and their Construction. 



CHAPTER V. 



ABOUT FISH-PONDS IN GENERAL. Distinction of the Name. Reason for the 

 Establishment of Ponds. The Monks as Fish-culturists. Profitableness of 

 Pond-culture. The German Carp. Old Establishments. Largest Fish- 

 ponds on the Globe. Necessity of Pond-culture in the United States. Con- 

 sumption of food fishes in this Country. Reason for it. Riches of the 

 Rivers in former Days. Pisciculture compared with Agriculture. Culture 

 of Ornamental Fish ; 25 



CHAPTER VI. 



THE CONSTRUCTION OF PONDS FOR GOLDFISH CULTURE. The Different kinds 

 of Ponds. The Value of a Pond. Location or Site for the Ponds. Arrang- 

 ing the Ponds Advantageously. Ways of Constructing a Pond. Ponds for 

 Different Purposes. The Number of them. Spawning, Rearing, Storage 

 and Winter Ponds. Depth of the Same. The Dams. Their Construction. 

 The Inlet. The Outlet. Its Construction. The Water Supply. The Supply 

 Channel.. 29 



CHAPTER VII. 



THE AUTHOR'S ESTABLISHMENT. Illustration. Description 35 



CHAPTER VIII. 



THE PROPAGATING BED. Construction of the Same. Economical use of Mate- 

 rials. Advantages of a False Bottom. Location of the Bed. The Nursery. 



THE REARING POND. The Size of it. The Water Level. Circulation of the 

 Water. Plants for the Pond. 



THE STORAGE POND. Its Purposes. 



THE WINTER POND. Its Construction and Requirements. Other Winter 

 Quarters ' 37 



PART III. 

 The Propagation and Care of the Goldfish. 



CHAPTER IX. 



THE ANATOMY AND PHYSIOLOGY OF THE GOLDFISH. The Scales. The Fins. 

 The Gills. The Heart. The Voice. The Air-bladder. The Stomach. 

 Jhe Eyes. Hearing. The Act of Sleeping. Taste. Smell. Reproduc- 

 tion. Female Organs. The Ovary. The Oviduct. The Male. The 

 Spermatic Organs. The Spermatazoa. The Egg. The Fecundation of 

 the Egg. The Development of the Embryo. The Perfect Fish. The 

 Yolk-bag 45 



