viii TABLE OF CONTENTS 



PAGE 



RELATION OF ANIMALS TO ONE ANOTHER 153 



Relations between Individuals of the Same Species i ^3 



Relations between Individuals of Different Species 156 



ANIMAL AND PLANT 159 



GEOGRAPHICAL DISTRIBUTION OF ANIMALS... 160 



DISTRIBUTION OF ANIMALS IN TIME 164 



SPECIAL ZOOLOGY 166 



Phylum I. PROTOZOA .... 166 



Class I. Rhizopoda J.-JQ 



Order I. Monera .... 172 



Order II. Lobosa 172 



Order III. Heliozoa 173 



Order IV. Radiolaria .... 174 



Order V. Foraminifera .178 



Order VI. Mycetozoa . . iSo 



Class II. Flagellata . . . . 181 



Order I. Autoflagellata 181 



Order II. Dinoflagellata . . 184 



Order III. Cystoflagellata ... 184 



Class III. Sporozoa 185 



Order I. Gregarinida .... 186 



Order II. Coccidise . . . 188 



Order III. Haemosporida .... 188 



Order IV. Myxosporida . . 190 



Order V. Sarcosporida . . 191 



Class IV. Ciliata 191 



Order I. Holotricha 195 



Order II. Heterotricha 196 



Order III. Peritricha 196 



Order IV. Hypotricha 197 



Order V. Suctoria 197 



SUMMARY .... 198 



METAZOA 201 



Phylum II. PORIFERA 201 



SUMMARY 206 



Phylum III . CCELENTERATA 206 



Class I. Hydrozoa 208 



Order I. Hydraria 217 



Order II. Hydrocorallinse 217 



Order III. Tubulariae = Anthomedusae 217 



Order IV. Campanulariae = Lepto medusas 217 



Order V. Trachymedusse 218 



Order VI. Narcomedusae 218 



Order VII. Siphonophora 218 



Class II. Scyphozoa 220 



Order I. Discomedusae 223 



Order II. Stauromedusae 224 



Order III. Peromedusae 224 



Order IV. Cubomedusae 224 



