Contents 
CHAPTER X. 
THE MYTHOLOGY OF FISHES. 
The Mermaid.—The Monkfish.—The Bishop-fish.—The Sea-serpent...... 
CHAPTER XI. 
THE COLLECTION OF FISHES. 
How to Secure Fishes.—How to Preserve Fishes.—Value of Formalin.— 
Records of Fishes.—Eternal Vigilance 
CHAPTER XII. 
THE LEPTOCARDII, OR LANCELETS. 
The Lancelet.—Habits of Lancelets.—Species of Lancelets—Origin of 
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CHAPTER XIII. 
THE CYCLOSTOMES, OR LAMPREYS. 
The Lampreys.—Structure of the Lamprey.—Supposed Extinct Cyclo- 
stomes.—Orders of Cyclostomes.—The Hyperotreta, or Hagfishes.—The 
Hyperoartia, or Lampreys.—Food of Lampreys.—Metamorphosis of 
Lampreys.—Mischief Done by Lampreys.—Migration or ‘‘Running”’ of 
Lampreysens seca seine edie ici hatren orate unsaeeetate ayes AO at ete elite sine 
CHAPTER XIV. 
THE CLASS ELASMOBRANCHII, OR SHARK-LIKE FISHES.— 
TRUE SHARKS. 
The Sharks.—Characters of Elasmobranchs.—Classification of Elasmo- 
branchs.—Subclasses of Elasmobranchs.—The Selachii— Order Notidani. 
—Family Hexanchide.—Family Chlamydoselachide.—Order Astero- 
spondyli.—Suborder Cestraciontes.—Family Heterodontide.—Suborder 
Galei.—Family Scyliorhinide.—The Lamnoid, or Mackerel-sharks.— 
Family Mitsukurinide, the Goblin-sharks—Family Alopiide, or 
Thresher-sharks.—Family Pseudotriakida.—Family Lamnide.—Man- 
eating Sharks.—Family Cetorhinide, or Basking Sharks.—Family 
Rhineodontide.—The Carcharioid Sharks, or Requins.—Family 
Sphyrnide, or Hammer-head Sharks.—The Order of Tectospondyli.— 
‘Suborder Cyclospondyli—Family Squalide.—Family Dalatiide. 
Family Echinorhinide. —Suborder Rhine.—Family Pristiophoride, or 
Saw-sharks.—Suborder Batoidei, or Rays.—Pristidide, or Sawfishes.— 
Rhinobatide, or Guitar-fishes.—Rajide, or Skates.—Narcobatide, or 
' Torpedoes.—Petalodontidz.—Dasyatide, or Sting-rays.—Myliobatide. 
—Family Psammodontide.—Family Mobulid 
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