CONTENTS ix 
CHAPTER IX 
SPONGIARIA 
PAGE 
Calcarea GRANTIA ee ee ee 181 
CHAPTER X 
PROTOZOA 
Infusoria PARAMECIUM . oe eg ee ea ae a a ae BL 
VORTICELLA 188 
Mastigophora) EuGirena 192 
Sarcodina AMOEBA . 194 
APPENDIX 
A SYNOPSIS OF THE CLASSIFICATION OF ANIMALS... . . . 197 
GLOSSARY . 207 
INDEX 225 
