SCHEME OF THE CLASSIFICATION ADOPTED IN 



THIS BOOK 



PAGE 



PHYLUM I. PROTOZOA 27 



Class I. RHIZOPODA . . . 



Order i . LOBOSA . . . . 



" 2. HELIOZOA . . . 



" 3. RADIOLARIA . . 



" 4. FORAMINIFERA . 



Class II. MASTIGOPHORA . 



Order i . FLAGELLATA . . 



" 2. CHOANOFLAGEL- 



LATA . . . . 

 DlNOFLAGELLATA 



CYSTOFLAGEL- 



LATA . . . . 



Class III. SPOROZOA . . . 

 Subclass I . Telosporidia 



PAGE 

 27 



39 

 40 



Order i. GREGARINIDA 

 " 2. COCCIDIIDEA . 

 " 3. H/EMOSPORIDIA 



3- 

 4- 



40 Subclass II. Neosporidia . . 



41 Order i. MYXOSPORIDIA 

 41 '' 2. SARCOSPORIDIA 

 45 Class IV. INFUSORIA . . . 



Subclass I. Ciliata . . . 

 47 Order i. HOLOTRICHA . 



47 " 2. HETEROTRICHA 



" 3. HYPOTRICHA . 

 " 4. PERITRICHA 

 Subclass II. Suctoria . . . 



48 

 48 

 52 



52 

 52 

 52 

 5 2 

 52 

 53 

 53 

 62 



63 

 63 

 64 



65 

 65 



PHYLUM II. PORIFERA 92 



Class I. CALCAREA . . 



Order i. HOMOCCKLA . . 105 



" 2. HETEROCCELA . 105 



Class II. HEXACTINELLIDA 105 



105 Class III. DEMOSPONGIJE 

 Order i . TETRAXONIDA 



" 2. MONAXONIDA . 



>. 



3. KERATOSA 



PHYLUM III. CCELENTERATA . 



Class I. HYDROZOA . . 

 Order i. ANTHOMEDUS.E 



2. LEPTOMEDUS/E 



3. TRACHYMEDUS/E 



4. NARCOMEUUS^E 



5. HYDROCORAL- 



u 

 

 u 

 u 



u 6. SlPHONOPHORA 



118 Class II. SCYPHOZOA. 



128 Order i. STAUROMEDUS.-E 



128 " 2. PEROMEDUS^; . 



128 " 3. CUBOMEDUS.K . 



128 " 4. DlSCOMEDUS.K 



Class III. ANTHOZOA . . 



129 Subclass!. Alcyonaria . 

 129 Order i. STOLONIFERA 



xix 



105 

 105 

 105 



1 08 



129 



132 

 132 



133 

 133 

 133 

 139 

 139 



