vill CONTENTS. 
INVERTEBRATES 
CHAPTER VII 
PROTOZOA . 
CHAPTER VIII 
SPONGES . F “ : ‘ . : 
CHAPTER IX 
COLENTERA . ‘ P : * . 
. CHAPTER X 
UNSEGMENTED ‘‘ WorRMS” i P F % 
CHAPTER XI 
ANNELIDS ' . . 
CHAPTER XII 
ECHINODERMS . ‘ 
CHAPTER XIII 
ARTHROPODA . . 
CHAPTER XIV - 
ONYCHOPHORA OR PROYOTRACHEATA, Myrioropa, 
INSECTA ; ‘ ‘i ‘ % 
CHAPTER XV 
ARACHNOIDEA AND PALAOSTRACA . . . 
' 
CHAPTER XVI 
MOoLuuscs . ‘ ‘ ‘ ‘ ql 
PAGE 
88 
124 
- 137 
179 
209 
« 280 
AND 
318 
363 
+ 380 
