8 CONTENTS. 



PAGE 



Myriapod Insects 109 



The Chilopod or Centiped 109 



CRUSTACEANS Ill 



The Crawfish Ill 



TheAsellus 125 



The Cyclops 126 



Further Classification 127 



WORMS 130 



The Earthworm 130 



MOLLUSKS 140 



The River Mussel 140 



The Pond Snail 154 



VERTEBRATES 161 



The Catfish 161 



The Frog 178 



The Turtle 198 



The Snake .... 208 



The English Sparrow 211 



The Rabbit 237 



The Life Process in Vertebrates 260 



ECHINODERMS 266 



The Starfish 266 



APPENDIX 275 



Prerequisites 275 



Reagents 276 



Directions for the Preparation of Material for Study .... 278 



Accentuated List of Technical Terms 288 



Suggestions to the Teacher 302 



INDEX . . 305 



