; CONTENTS. 



geons.— The Salmon.— The Tunny.— The Mackerel Family.— The Eel.— The 

 Murey.— The Conger.— The Sand-Launce. — The Plectognaths. — The Sea- 

 Horse.— The Pipe-Fish.— The Fiat-Fishes.— The Bays.— The Fecundity of 

 Fishes ......-• Pa g e 186 



CHAPTER Xm. 



CE0STACEA. 

 CKAIiS — LOBSTERS. 



How are they distinguished from the Insects ? — Barnacles and Acorn-shells. — • 

 Siphonostomata.— Entomostraca. — King-Crab. — Edriophthalmia. — Sandhoppera. 

 — Thoracostraca. — Compound Eye of the higher Crustaceans. — Respiratory 

 Apparatus of the Decapods. — Digestive Organs. — Chelae or Pincers. — Distribu- 

 tion of Crabs.— Land Crabs.— The Calling Crab.— Modifications of the Legs in 

 different species. — The Pinna and Pinnotheres. — Hermit Crabs. — The Lobster. 

 —The Cocoa-nut Crab.— The Shrimp. — Moulting Process. — Metamorphoses of 

 Crabs. — Victims and Enemies of the Crustaceans. — Their Fecundity. — Marine 

 Spiders and Insects ....... 213 



CHAPTER XIV. 



MARINE ANNELIDES. 



The Annelides in general. — The Eunice sanguinea. — Beauty of the Marine Anne- 

 lides. — The Giant Nemertes. — The Food and Enemies of the Annelides. — The 

 Tubicole Annelides. — The Eotifera. — Their Wonderful Organisation. — The 

 Synchaeta Baltica ........ 262 



CHAPTEE XV. 



The Molluscs in general. — The Cephalopods. — Dibranchiates and Tetrabranchiates 

 — Arms and Tentacles. — Suckers. — Hooked Acetabula of the Onychoteuthis. — 

 Mandibles. — Ink Bag. — Numbers of the Cephalopods — Their Habits — Their 

 Enemies — Their Use to Man — Their Eggs. — Enormous size of several species. 

 — The fabulous Kraken.— The Argonaut. — The Nautili. — The Cephalopods of 

 the Primitive Ocean. — The Gasteropods. — Their Subdivisions. — Gills of the 

 Nudibranehiates. — The Pleurobranchus plumula. — The Sea-Hare. — The Chitons. 

 — The Patellae. — The Haliotis or Sea-Ear. — The Carinariae. — The Pectini- 

 branchiates. — Variety and Beauty, of their Shells. — Their Mode of Locomotion. 

 — Foot of the Tornatella and Cyclostoma. — The Ianthinae. — Sedentary Gastero- 

 pods. — The Magilus. — Proboscis of the Whelk. — Tongue of the Limpet. 



Stomach of the Bulla, the Scyllaea, and the Sea-Hare. — Organs of Sense in the 

 Gasteropods — Their Caution — Their Enemies — Their Defences — Their Use to 

 Man.— Shell-Cameos. — The Pteropods — Their Organisation and Mode of Life. 



— The Butterflies of the Ocean. — The Lamellibranchiate Acephala Their 



Organisation. — Siphons. — The Pholades. — Foot of the Lamellibranchiates. 



The Razor-Shells.— The Byssus of the Pinnae. — Defences of the Bivalves 



Their Enemies. — The common Mussel. — Mussel Gardens. The Oyster. 



Oyster Parks. — Oyster Rearing in the Lago di Fusaro. — Formation of new 



