Invertebrata — Mollusoa, 



SI Protozoa 

 .1 Rhizopoda 

 •2 Foraminifera 

 •8 Helioioa 

 •4 Badiolaria 

 •5 Infusoria 

 .6 Flagellata 

 .1 Ciliata 



Cap. XVI. 59.2 INVERTEBRATA. 



Cap. XVII. 59.31 Protozoa. 



31.75 Suctoria 

 .9 Sporozoa 

 .91 Gregarinidae 

 .92 Coccidia 

 .926 Haematozoa 

 .93 Sarcosporidia 

 .94 Myxoipoiidia 

 .95 Microsporidia 



Cap. XVin. 59.33 Coolenterata. 



Cap. XIX. 59.34 Spongiae, Porifera. 



84 Sponglae, Porifera 

 .1 MyxoBpongiae 

 .2 Ceiatospongiae 

 •8 Halichondriae, Monactinellida 



34.4 Lithospongiae Tetractinellida 

 .5 Hyaloapongiae, Hexactinellida 

 •6 Calcispongiae 



Cap. XX. 59.35—38 Cnidaria. 



85 Cnidaria 



86 ActiHOzoa 



.1 Rugosa, Tetracorallia. 

 •2 Alcyonaria, Octocorallia 

 •8 Zoantharia, Hezacorallia 

 •4 Antipatharia 

 .5 Actinaria 

 .6 Madreporaria 

 t7 Hydrozoa 



87.1 Hydromedusae, Graptolitha 



.2 Siphonophora 



.8 Acalephae 



.4 Calycozoa 



•5 Rhizostumidae 



.6 Marsupialida 



• 7 Discophora 

 88 Ctenopliora 



Cap. XXI. 59.39 Echinoderma (incl. Enteropneusta). 



.. M' 



