: CONTENTS. 



procured— Transformations of the " Polliwog"— The young Frog— Transform*. 



tions of the Toad — " The Toad, Ugly and venomous, bears yet B precious Jewel 

 In its Head" — TadpoKs excellent Scavengers- Tadpoles amateur Naturalists-* 

 Value of an Aquarium to the Mloroscoplst — Value of an Aquarium to the Natu- 

 ralist — Sticklebacks and their NestS— Caddis-WOrmS and their Case- - Cases f or 



running Streams— Amusement for the Country — A home-made Aquarium — Simpli- 

 city of the Aquarium — The Naturalist's Diary, 39 



CHATTER V. 



ft.ANTS XOU T1IK FRESH-WATER AQUARIUM, 



The bottom of an Aquarium to he planted in the same manner as n (iarden 



Water-cress difficult to make flourish — Arrangement of Plants— Common Arrow- 

 head cultivation by the Chinese — Arum — Water-lilies — Water-shield — Sweet 

 Flag— Forget-me-not — Sun-dew — Perns — Valisnerla Spiralis at West Point and 

 Fishkill Creek — Hornwort — Its rapidity of growth — Water Btarwort — Anacharis 

 Canadensis — Remarkable power of propagation— Appearance in England— Choking 

 up the Rivers — Ohara vulgaris — Nitella (leadlls— Circulation of Bap-Water — Crow- 

 foot — Awl-wort — Spiked Water-milfoil — Marestail — Villarsia — Buck-bean — Water- 

 violet— Water Speedwell— Water Soldier— Pondweeds— Duckweeds— Frog-bit— Group- 

 ing Plants, 48 



CHAPTER VI. 



ill K FISH rOB Tin: FRESH WATXB AQUARIUM. 



Proper period for introducing Fish— Small Fish preferable to large ones — What is a 



Fish? Cold Carp a native of China— Cold-fish bred in Warm Water— -Difference 



of Color— Minnows frozen in Ice — Deformities of Gold-fish — Feeding — Care 

 required in Feeding— Minnow— Yellow l'ereh — Niagara Gudgeon— Sticklebacks— 

 Dr. Lankestcr's Description of them — Sticklebacks not to be placed with other 

 Fish — Mode of Building their Nests — Male Fish taking charge of the Egg! — Tena- 

 city of Life of the Stickleback— New York species — Loach— Cat-fish— Carp- 

 Prussian Carp— Pond Fish— Small Pond Fish— Pigmy Dace— lllack-nosed Dace— 

 Fels — Mode of eating Molluscs C2 



CHAPTER VII. 



MOLLU8CA, CRUSTACEA AM) REPTILIA FOR THE FRESH-WATEB AQUARIUM. 



I'se of Mollusca— Greatest Variety of Mollusca to be looked for in the Ocean — 

 Univalves and Bivalves— Lymnea columella— Lymnea (ragilis — Physa heterostro- 



pha — "Walking on the Air, 1 '— EggS of Physa— Production of Young— Right-hand- 

 ed and left-handed Shells— Physa plieata— Planorbis blcarinatus— P. lentus— 

 P. armlgerus— P. corpulentue- P. ezacutus— P. parvus— Paludlna declsa— Mela- 

 nla— Unlo oomplanatus— U. radlatus Anodon fluviatills— Oraw-flsh— Fresh-water 

 Shrimps— Asellus communis — Branchipus Btagnalis— Cyelops quadricornis— Bull- 

 frog— Croak of the Frog— Transformations of the Frog -Spring Frog — Marsh Frog- 

 Water Lizard— Red Salamander 74 



