CONTENTS 



PAGE 



PROTOZOA 17 



Sarcodina 22 



Amoeba proteus 22 



Foraminifera 23 



Actinosphaerium or Actinophrys 24 



Infusoria 25 



Paramecium 25 



Spirostomum 27 



Vorticella 28 



Oxytricha 29 



Ephelota 30 



Sporozoa 31 



Gregarina 31 



PROTOPHYTA 32 



Euglena 32 



Volvox 33 



Ceratium 34 



Noctiluca 35 



PORIFERA 36 



Sycon (Grantia) 37 



COELENTERATA 41 



Hydrozoa 43 



Hydra (Fresh-water Polyp) 43 



Obelia 45 



Campanularia 47 



Sertularia 48 



Gonionemus ' 48 



Tubularia (Parypha) 51 



Bougainvillia 52 



Hydractinia 53 



Hydrocorallina 54 



SlPHONOPHORA 54 



Scyphozoa 55 



Aurelia 55 



Actinozoa 59 



Metridium (Sea-anemone) 59 



CTENOPHORA 63 



Pleurobrachia -> 63 



Mnemiopsis 63 



PLATYHELMINTHES 66 



TURBELLARIA 67 



Planaria maculata 67 



Bdelloura or Syncoelidium 68 



Trematoda 70 



Pneumoneces 71 



Cryptocotyle 73 



Cestoda 73 



Crossobothrium laciniatum 74 



13 



