vi Contents. 



CHAPTER PAGE 



XIV. MAMMALIA (concluded} 146 



Rabbit, Nervous System, Muscles, Eye, Larynx, Skeleton. 



XV. PROTOZOA . . . 163 



Amoeba, Paramecium, Vorticella. 



XVI. PORIFEKA 168 



Commercial Sponge. 



XVII. CCELENTERATA . .17! 



Hydra, Sea Anemone, Corals, Sea Fan. 



XVIII. ECHINODERMATA . -177 



Starfish, Sea Urchin. 

 XIX. TROCHELMINTHES . . . . . . . .190 



INDEX . . . . .191 



