CHAPTER VIII. 



AUGUST. 



MUD COLOUKKD BY VVOKMS-THEIR RETREAT AT ALARM— A 

 COUNTRY DUCK-POND-CONTENTS OF ITS SCUM— CRY PTO- 

 MONADS-THEIR MEANS OF LOCOMOTION— A TRIARTHKA 

 (THREE-LIMBED R()TIFER)-THE BRACHION OR PITCHER 

 ROTIFER— ITS STRIKING FORM — ENORMOUS GIZZARD — 

 CILIARY MOTION INSIDE THIS CREATURE— LARGE EYE AND 

 BRAIN-POWERFUL TAIL— ITS FUNCTIONS-EGGS. 



