CONTENTS 



IX 



CHAPTER X 

 PROTOZOA 



PAGE 



Infusoria PARAMECIUM 164 



VORTICELLA 168 



EuGLENA 172 



Rhizopoda AMOEBA 174 



APPENDIX 



A CLASSIFICATION OF THE ANIMAL KINGDOM AND DEFINITIONS OF 



THE PRINCIPAL GROUPS 177 



GLOSSARY 191 



INDEX . 207 



