CONTENTS. 



Page. 



PROTOZOA 1 



Sarcodina 3 



Amoeba proteus 3 



Foraminifera 4 



Actinosphaeiiuin or Actinophiys 5 



Mastigophora , 6 



Euglena 6 



, Volvox 7 



Ceratium g 



Noctiluca 8 



Sporozoa 9 



Gregarina 9 



Infusoria 10 



Paramecium 10 



Spirostomum H 



Vorticella 11 



Oxytricha 13 



PORIFERA 14 



Grantia 15 



CCELENTERATA 18 



Hydrozoa 20 



Hydra (Fresh-water Polyp) 20 



Obelia 22 



Parypha 24 



Gonionemu.'^ 25 



Hydrocorallina 27 



Siphoiiophora 27 



SCYPHOZOA 27 



Aurelia 27 



ACTINOZOA 30 



Metridium (Sea- Anemone) 30 



Ctenophora 32 



Mnemiopsis 32 



PLATYHELMINTHES 35 



TURBELLARIA 36 



Planaria maculata 3G 



Bdelloura or Syncoelidium 37 



Trematoda 39 



Ha^matolcechus (Distomum) 39 



Cestoda 41 



Crossobothrium laciniatum 41 



V 



