7 



Invertebrata — Mölln; 



Cap. XVI. 59.2 INVERTEBRATA. 



SI Protozoa 

 .1 Rhizopoda 

 •2 Foraminifera 

 .3 Heliozoa 

 .4 Radiolaria 

 «5 Infusoria 

 .6 Flagellata 

 •7 Ciliata 



Cap. XVII. 59.31 Protozoa. 



31.75 Suctoria 

 .9 Sporozoa 

 .91 Gregarinidas 

 .92 Coccidia 

 .926 Haematozoa 

 .93 Sarcosporidia 

 .94 Myxosporidia 

 .95 Microsporidia 



Cap. XVm. 59.33 Coelenterata. 



Cap. XIX. 59.34 Spongiae, Porifera. 

 54 Spongiae, Porifera j 34.4 Lithospongiae Tetractinellida 



.1 Myxospongiae 



.2 Ceratospongiae 



.3 Halichondriae, Monactinellida 



.5 Hyalospongiae, Hexactinellida 

 ,6 Calcispongiae 



S5 Cnidaria 

 Aetinozoa 



.1 Kugosa, Tetracorallia. 



.2 Alcyonaria, Octocorallia 



»3 Zoantharia, Hexacorallia 



,4 Antipatharia 



• 5 Actinaria 



•6 Madreporaria 

 87 Hjdrozoa 



Cap. XX. 59.35—38 Cnidaria. 



37.1 Hydromedusae, Graptolitha 

 .2 Siphonophora 

 •3 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 

 •8 GaBtropoda 

 •31 Amphineura 

 •82 Prosobranchîa 

 •84 Heteropoda 

 •85 Opisthobranchia 

 •86 Nudibrancbîa 

 •87 Tectibrancbîa 



39.5 Echinoidea 

 .6 Holothurioidea 

 • 7 Pedata, Elasipoda 

 .8 Apoda 

 .9 Enteropnensta 



59.4—4.5 Mollusca. 



4.38 Pulmonata 

 .4 Pteropoda 

 .5 Cepbalopoda 

 .51 Tetrabranchia 

 .52 Nautiloidea 

 .63 Ammonitae 

 .55 Dibranchia 

 .66 Octopoda 

 •68 Decapoda 



