LIST OF ILLUSTRATIONS 



Esperiopsis challengeri, 



Limestone Bored by Sponge, 



Embryo of Fresh- Water Sponge, . 



Section of Common Bath-Sponge, 



Ascetta primordialis, 



Proteus Animalcule, 



Proteus Animalcule (highly magnified), 



Orange-Coloured Protomyxa, 



Young Capsuled Animalcule (Arcella), 



Egg- Shaped Gromia, 



Hyperammina and Astrorhiza, 



Peneroplis pertusus, 



Structure of Orbitolite, 



Polymorphina, 



Shells of Globigerina, 



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Pqlystomella, 



Sarcode Body of Polystomella, 

 Green Sun- Animalcule (Acanthocystis), 

 Lattice- Animalcule, 

 Mail-Coated Flagellata, 

 Phosphorescent Animalcule (Noctiluca), 

 Pyrocystis, .... 

 Mussel-Animalcule (Stylonychia), . 

 Bell- Animalcule (Vorticetta), 

 Nodding Bell-Animalcule (Epistylis), 

 Rosel's Trumpet- Animalcule (Stentor), 

 Marine Animalcule (Acineta), 

 Bud-Bearing Animalcule (Hemiopihrya), 

 Spiral - Mouthed Animalcule {Spirosto 

 muni), .... 



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