x Elementary Biology. 



CHAPTER PAGE 



IV. THE MORPHOLOGY AND PHYSIOLOGY OF THE SIMPLEST 



LIVING ORGANISMS PROTISTA . . . . 55 



SECTION i. Protista Protamceba . . . -55 

 ,, ii. Protista Protomyxa . . 57 



,, iii. The relation of unicellular to multicellu- 



lar organisms . . . .62 



V. UNICELLULAR PLANTS PROTOPHYTA Protococcus . 69 

 VI. UNICELLULAR ANIMALS PROTOZOA Amaba . . 73 



NON-VASCIILARIA_ . , . . . 76 



,, iv. Dicotyledones Ranuncuhis . .178 



,, v. General physiology of plants . . . 189 



,, vi. Carnivorous plants . . . .213 



IX. METAZOA INVERTEBRATA ...... 219 



SECTION i. Hydrozoa- Obelia . . . .219 

 ,, ii. Vermes Lumbricus . . . . 233 



X. METAZOA VERTEBRATA 251 



SECTION i. Cephalochorda Amphioxits . . . 251 

 ,, ii. Amphibia Rana .... 263 



,, iii. General physiology of animals . . 335 



XI. HISTORY OF BIOLOGY . 345 



