Invertebrata — MoUugoa. 



81 Protozoa 

 •1 Rhizopoda 

 •S Foraminifera 

 •3 Heliozoa 

 •4 Kadiolaria 

 •5 Infusoria 

 •6 Flagellata 

 •7 Ciliata 



Cap. XVI. 59.2 mVERTEBRATA. 



Cap. XVII. 59.31 Protozoa. 



31.75 Suctoria 

 .9 Sporozoa 

 .91 Gregarinidae 

 .92 Coccidia 

 .926 Haematozoa 

 .93 Sarcosporidia 

 .94 Myxoeporidia 

 .95 Microsporidia 



Cap. XVni. 59.33 Coelenterata. 



Cap. XIX. 59.34 Spongiae, Porifera. 



84 Spongiae, Porifera 

 .1 Myxospon^iae 

 •2 Ceratospongiae 

 •3 Halichondriae, Monactinellida 



34.4 Lithospongiae Tetractinellida 

 .5 Hyalospongiae, Hexactinellida 

 .6 Calcispongiae 



Cap. XX. 59.35—38 Cnidaria. 



85 Cnidaria 



86 Actinozoa 



.1 Kugosa, Tetracorallia. 

 •2 Alcyonaria, Octocorallia 

 •3 Zoantharia, Hexacorallia 

 •4 Antipatharia 

 •5 Actinaria 

 .6 Madreporaria 



87 Hydrozoa 



37.1 Hydromedusae, Graptolitha 



•2 Siphonophora 



.3 Acalephae 



.4 Calycozoa 



.5 Rhizostomidae 



.6 Marsupialida 



• 7 Discophora 

 88 Ctenopliora 



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



89 Echinoderma 



•1 Crinoidea, Felmatozoa 

 .2 Asterozoa 

 ■8 Asteroidea 

 •4 Ophiuroidea 



Cap. XXII. 



4 Mollnsca 



•1 Lamellibranchia 

 •2 Scaphopoda 

 •8 Gastropoda 

 •81 Araphineura 

 •82 Prosobranchia 

 •34 Heteropoda 

 •35 Opisthobranchia 

 •36 Nudibranchia 

 .87 Tectibranchia 



39.5 Echinoidea 



.6 Holothurioidea 

 .7 Pedata, Elasipoda 

 .8 Apoda 



.9 Enteropneusta 



59.4 — 4.5 MoUusca. 



4.38 Pulmonata 

 .4 Pteropoda 

 .6 Cephalopoda 

 .61 Tetrabranchia 

 .52 Nautiloidea 

 .53 Ammonitae 

 .55 Dibranchia 

 .66 Octopoda 

 .68 Decapoda 



