TABLE OF COHTEISTS. 



CHAPTER X. 



MICROSCOPIC FORMS OF ANIMAL LIFE: PROTOZOA. 



PAGE 



Protozoa, 1 



Monerozoa, 2 



Rhizopoda, 7 



Reticularia, .... 7 



PAGE 



Heliozoa, 11 



Lobosa, ..... 14 

 Coccoliths and Coccospheres . .19 

 Gregarinida, ..... 21 



CHAPTER XL 



ANIMALCULES: INFUSORIA AND ROTIFERA. 



INFUSORIA, 24 I Infusoria continued: 



Flagellata 26 [ Ciliata, 41 



Cilio-flagellata, . . ,87 ROTIFERA, 53 



Suctoria, 39 i Tardigrada, . . . .62 



CHAPTER XII. 



FORAMINIFERA AND POLYCYSTINA. 



FORAMINIFERA, . . . .64 



Porcellanea, .... 70 

 Arenacea, . . . .77 



Vitrea, 85 



Eozoon Canadense, . . . 101 



RADIOLARIA, 109 



Discida, 112 



Polycystina, . . . .113 

 Acanthometrina, . . .113 

 Colloza, . . . ., . 115 



1 



CHAPTER XIII. 



SPONGES AND ZOOPHYTES. 



SPONGES, 117 



ZOOPHYTES, 122 



Hydrozoa, 123 



Zoophytes continued: 



Acalephse, .... 132 

 Actinozoa, . . . 134 



Ctenophora, . . . .137 



Production of Medusoids, . 126 



CHAPTER XIV. 



ECHINODERMATA. 



Structure of Skeleton, . . . 140 | Echinoderm-Larvae, . . .150 



CHAPTER XV. 

 POLYZOA AND TUNICATA. 



POLYZOA, 157 | TUNICATA, 163 



CHAPTER XVI. 



MOLLUSCOUS ANIMALS GENERALLY. 



Structure of Shells, . . .171 

 Palate of Gasteropods, . . .180 

 Development of Mollusks, . . 183 



Ciliary motion on Gills, . . 189 



Organs of Sense of Mullusks, . 190 

 Chromatophores of Cephalopods, . 191 



