CONTENTS. 



PAOB 



PROTOZOA 1 



RHIZOPODA 3 



Amoeba proteus 3 



Foraminifera 5 



Actinosphaerium or Actinophrys 6 



MASTIGOPHORA 7 



Euglena 7 



Volvox 8 



Ceratium 9 



Noctiluca 9 



SPOROZOA 10 



Gregarina 10 



INFUSORIA 11 



Paramsecium 11 



Spirostomum 12 



Vorticella 13 



Oxytricha 14 



Euplotes 15 



PORIFERA 17 



Grantia 18 



CCELENTERATA 22 



HYDROZOA 24 



Hydra (Fresh-water Polyp) 24 



Obelia 26 



Parypha 28 



Gonionemus 29 



Hydrocorallina 31 



Siphonophora 31 



SCYPHOZOA 32 



Aurelia 32 



ACTINOZOA 34 



Metridium (Sea-Anemone) 34 



CTENOPHORA 37 



Mnemiopsis 37 



PLATYHELMINTHES 39 



TtJRBELLARIA 40 



Planaria maculata 40 



Bdelloura or Syncoslidium 41 



TREMATOD A 44 



Haematoloechus (Distomum) 44 



CESTODA 46 



Crossobothrium laciniatum 40 



