VI CONTENTS 



PAGE 



Study of Chordate Branch Characteristics 128 



Study of Chordate Class Characteristics, 128. 



Amphibia (the Frog) 132 



Study of the Live Frog, 132. 



Reptilia (the Turtle) 152 



Study of the Live Turtle, 152. 



Ayes (the Bird) 174 



Study of Live Birds, 174. 



Mammalia (the Rabbit) 200 



Study of a Live Rabbit, 200. — Systematic Study of the Rabbit, 

 218. 



Man 222 



Morphophysiologic Study, 222. 



Protozoa 226 



Morphophysiologic Study, 226. 



PORIFERA 230 



Morphophysiologic Study, 230. 



CCELENTERATA 234 



Morphophysiologic Study, 234. — Systematic Study, 238. 



Echinodermata (the Starfish) 240 



Morphophysiologic Study, 240. — Systematic Study, 246. 



Annulata 248 



Study of Live Earthworms, 248. — Morphophysiologic Study, 

 252. 



MOLLUSCA 260 



Study of a Live Fresh-water Clam or Mussel, 260. — Morpho- 

 physiologic Study of the Clam, 262. — Study of the Snail Shell, 

 270. — Systematic Study for Branch Mollusca, 270.— Systematic 

 Study for Classes of Mollusca, 272. 



Index 273 



