Molluscoidea — Orustacea. 



8 



Cap. XXIÏI. 59.46 Molluscoidea (Brachiostoma). 

 Cap. XXIV. 59.47 Bryozoa. 



47 Bryozoft 



•1 Gymnolaemata 

 •2 Phylactolaemata 



47.3 Pterobranchia 

 •4 Entoprocta 



Phoronis v. 51.76. 



49 Tunlcata 

 ,1 Ascidiae 

 •2 Copelatae 

 •3 Monascîdiae 



Cap. XXV. 59.48 Brachiopoda. 



Cap. XXVI. 59.49 Tunicata. 



I 49.4 Synascidiae 

 • 5 Pyrosoma 



.0 Salpae 



! .7 Doliolum 



Cap. XXVII. 59.5 ARTICULATA. 



Cap. XXVIII. 59.51 

 51 Venues 



.1 Helminthes, i'arasiti* 



•2 PJatyhelminthes 



.21 Cestodes 



.22 Trematodes 



.23 Turbellarii 



•24 Nemertini 



.o Nematodes 



.3 1 Gordiacei 



.33 Acautbocepbali 



.35 Chaetoguathi 



.4 Annelida 



.6 Hirudinea 



Vennes (incl. Mesozoa, Trichoplax), 

 ôl.U Oligocbaeta 

 .7 Polychaeta 

 .74 Gephyrea 

 .76 Phoronis 

 .78 Myzostomum 

 .8 Kotifera 

 .85 Echinoderes 

 .88 Gastrotricba 

 .89 Dinophilus 

 .9 Orthonectida 

 .95 Dicyemida 

 .99 Trichoplax, etc. 



Cap. XXIX. 59.52 ARTHROPODA. 

 Cap. XXX. 59.53 Crustacea (incl. Pantopoda et Xiphosura) 



63 Cr 

 .1 

 .15 

 .2 

 .23 

 .24 

 .3 

 •4 

 .45 

 .5 

 •6 

 •7 

 •71 



ustacea 

 EntoDQostraca 

 Pantojîoda 

 Pbyllopoda 



Branchiopoda 



Cladocera 

 Osiracoda 

 Copepoda 



Parasita 

 Cirripedia 



Malacostraca, Leptostraca 

 Arthrostraca 

 Amphipoda 



53.72 Isopoda 

 .8 Thoracostraca 

 .81 Cumacea 

 .82 Stomapoda 

 .83 Sehizopoda 

 .84 Decapoda 

 .841 Ma«rura, Anomura 

 .842 Brachyura 

 .9 Gigantostraca 

 .91 Eurypterida 

 .92 Xiphosura 

 .93 Trilobita 



• Im allgemeinen. 



