CONTENTS v 



PAGE 



Keptilcs (the Third Division of Vertebrata) The Position of the 

 Limbs of such as have them Their Circulation, &c. Divided into 

 Tortoises, Lizards, Serpents, and Amphibia. Tortoises their 

 Covering its Commercial value Turtles their Flesh. Lizards 

 Crocodiles and Alligators Chameleons Geckos Monitors- 

 Flying Lizards. Serpents their Structure Water Serpents Veno- 

 mous Serpents The Rattlesnake the Construction of its " Rattle " 

 the Action of the Poison-gland the means by which the mouth 

 is expanded The Boa-Constrictor and Anaconda Harmless Snakes 

 Double Walkers ... 10810114 



Amphibious Reptiles TheProteus-Frogs(Batrachia) Different 



Stages of Development from the Tadpole to the Perfect Frog 114 to 118 



Fish.es Vertebrated Animals, wholly adapted for life in water 

 Their Structure and Mode of Breathing Their Division into Bony 

 and Cartilaginous, and into Spiny-finned and Soft-finned. The Soft- 

 finned, such as the Salmon, Carp, Pilchard, Anchovy, &c. Her- 

 rings, the immense Commercial Value of The Garfish The Pike 

 The Electric Fishes. Cartilaginous Fishes Sharkg their 

 Voracity The Sturgeon the Value of its Roe Lampreys, com- 

 pared with Eels 118 to 127 



Jointed Animals (called Articulata) Ringed Animals The 

 Earth-worm, Leech, &c. Myriapoda Millepedes and Centipedes 

 Insects their Characteristics the Segments of which they are 

 formed their Mode, of Breathing their Rapid Motion their 

 Transformation their Eyes the Silk-Caterpillar its great Com- 

 mercial Value The Beetle, Cricket, Locust, Dragon-ay The Bee 

 Insects Classified according to their Wings Spiders how dis- 

 tinguished from Insects Scorpions and Mites Spiders' Webs 

 The different kinds of Spiders Crustacea Crabs Lobsters 

 their Covering and Eyes Prawns Sand-hoppers Barnacles 

 Acorn-shells Rotifers, or Wheel-bearers * ... 127 to 144 



Soft-bodied Animals (called Mollusca) Their Structure and 

 Characteristics The Cuttle-fish The use of Sepia The Pearly 

 'Nautilus and Paper Nautilus Wing-footed Mollusca Stomach- 

 footed Mollusca The Snail, Whelk, &c. Arm-footed Mollusca 

 Bivalve Mollusca The Oyster Pearls, and Mother-of-Pearl-where 

 obtained, and Commercial Value Clams Cockles Razor-shells 

 Ship-worm Tunicata Social Ascidians Sea Mats The meaning 

 of the terra, " Lower Animals " , 14410151 



