CONTENTS. IX 



ditto How to remove decaying objects from ditto How 

 to feed aquatic animals Best food for ditto How aquaria 

 get wrong Means of putting aquaria right " Conva- 

 lescent " glass Best plants for ditto Circulating fresh- 

 water aquaria How to keep aquaria perpetually healthy 



Page 36 



CHAPTER V. 



AMPHIBIANS AND FISHES OF THE FRESH-WATER 

 AQUARIUM. 



Over-stocking aquaria Yellow-spotted salamanders Mexican 

 Axolotl Great water newt Superstitions regarding ditto 

 Male and female of ditto Smooth newt Habits of 

 ditto Habits of great warty newt Tadpoles of smooth 

 newt Development of ditto Food of ditto Straight- 

 lipped warty newt Palmated smooth newt Spawn of 

 frogs and toads Goldfishes and their food Three-spined 

 sticklebacks Nest-building habits of ditto Rough-tailed 

 stickleback Miller's thumb The loach Food of loach 

 and gudgeon The minnow The " pope " Common 

 perch Common and Prussian carp The bleak Scales 

 of ditto Roach and dace The "rudd" The pike - 

 Dr. Lankester on ditto Silurus glanis Introduction of 

 ditto in English rivers Ganoid fishes The bony pike - 

 Acclimatisation of foreign fishes 50 



CHAPTER VI. 



THE AQUATIC GARDEN AND ITS PLANTS. 



Circulatory system of aerating large aquaria Mr. Kent on 

 fungoid growth upon fishes Probable cause of ditto - 

 Selection of aquatic plants for ornamental purposes The 

 mare's tail Canadian weed (Anacharis] Vallisneria - 

 Flowers of ditto Water lilies Water plantain Arrow- 

 head Flowering rush Forget-me-not Water mint 



