Mollusooidea — Orustacea. 



8 



Cap. XXIII. 59.46 Molluscoidea (Brach iostoma). 

 Cap. XXIV. 59.47 Bryozoa. 



47 Bryozo:i 



.1 Gymnolaemata 

 .2 Phylactolaemata 



49 Tunicata 

 .1 Ascidiae 

 .2 Copelatae 

 •3 Monascidiae 



47.3 Pterobranchia 

 .4 Entoprocta 



Phoronis v. 51.76, 



Cap. XXV. 59.48 Brachiopoda. 



Cap. XXVI. 59.49 Tunicata. 



49.4 Synascidîae 

 .5 Pyrosoma 

 .6 Salpae 

 .7 Doliolum 



Cap. XXVII. 59.5 ABTICULATA. 



Cap. XXVIII. 59.51 



61 Termes 



.1 Helminthes, Parasiti 1 



•2 PJatyhelminthes 



.21 Cestodes 



.22 Trematodes 



.23 Turbellarii 



.24 Nemertini 



.3 Nematodes 



.31 Gordiacei 



.38 Acanthocephali 



.35 Chaetognathi 



.4 Annelida 



.5 Hirudinea 



Vermes (incl. Mesozoa, Trichoplax 

 | 51.8 Oligochaeta 

 .7 Polychaeta 

 .74 Gephyrea 

 .76 Phoronis 

 .78 Myzostomum 

 .8 Rotifera 

 .85 Echinoderes 

 .88 Gastrotricha 

 .89 Dinophilus 

 .9 Orthonectida 

 .95 Dicyemida 

 .99 Trichoplax, etc. 



Cap. XXIX. 59.52 AHTHHOPÖBA. 

 Cap. XXX. 59.53 Crustacea (incl. Pantopoda et Xiphosur 



53 Cmstacea 



.1 Entomo8traca 

 .15 Pantopoda 

 .2 Phyllopoda 

 .23 Branchiopoda 

 .24 Cladocera 

 .3 Ostracoda 

 •4 Copepoda 

 .45 Parasita 

 .5 Cirripedia 



.(> Malacostraca, Leptostrac; 

 • 7 Arthrostraca 

 •71 Amphipoda 



53.72 Isopoda 

 .8 Thoracostraca 

 .81 Cumacea 

 .82 Stomapoda 

 .83 SchLzopoda 

 .84 Decapoda 

 .841 Macrara, Anomura 

 .842 Brachyura 

 .9 Gigantostraca 

 .91 Eurypterida 

 .92 Xiphosura 

 .93 Trilobita 



5 Im allgemeinen. 



