Invertebrata — Mollnaoa. 



Cap. XVI. 59,2 DïVERTEBîtATA. 



81 Frotozoa 

 •1 Rhizopoda 

 •2 Foraminifera 

 •3 Heliozoa 

 •4 Radiolaria 

 •5 Infusoria 

 .6 Flagellata 

 •7 Ciliata 



Cap. XVII. 59.31 Protozoa. 



31.75 Suetoria 

 .9 Sporozoa 

 .91 Gregarinidae 

 .92 Coccidia 

 .926 Haematozoa 

 .93 Sarcosporidia 

 .94 Myxosporidia 

 .95 Microsporidia 



Cap. XVIII. 59.33 Coelenterata. 

 Cap. XIX. 59.34 Spongiae, Porifera. 



84 Spongiae, Porifera 



•1 Myxospongiae 



•2 Ceratospongiae 



•8 Halichondriae, Monactinellida 



34.4 Lithospongiae ïetractinellida 

 .5 Hyalospongiae, Hexactinellida 

 .6 Calcispongiae 



Cap. XX. 59.35—38 Cnidaria. 



85 Cnidaria 



86 Àctinozoa 



.1 Kugosa, Tetracorallia. 

 •2 Alcyonaria, Octocorallia 

 •3 Zoantharia, Hexacorallia 

 •4 Antipatharia 

 •5 Actinaria 

 .6 Madreporaria 



87 Hydrozoa 



87.1 Hydromedusae, Graptolitha 



•2 Siphonophora 



.8 Acalephae 



.4 Calycozoa 



.5 Rhizostomidae 



.6 Marsupialida 



• 7 Discophora 

 88 Ctenophora 



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



89 Echinoderma 



•1 Crinoidea, Pelmatozoa 

 •2 Asterozoa 

 •8 Asteroidea 

 •4 Ophiuroidea 



Cap. XXII. 



4 Mollusca 



•1 Lamellibranchia 

 •2 Scaphopoda 

 •3 Gastropoda 

 •31 Amphineura 

 •32 Prosobranchia 

 •34 Heteropoda 

 •35 Opisthobranchia 

 •36 Nudibranchia 

 •87 Tectibranchia 



39.5 Echinoidea 

 .6 Holothurioidea 

 • 7 Pedata, Elasipoda 

 .8 Apoda 

 .9 Enteropnensta 



59.4 — 4.5 Mollusca. 



4.38 Pulmonata 

 .4 Pteropoda 

 .5 Cephalopoôa 

 .51 Tetrabran-chia 



.52 

 .53 

 .55 

 .50 

 .58 



Nautiloidea 

 Ammonitae 

 Dibranchia 

 Octopoda 

 Decapoda 



