Molluscoidea — Crustacea. 8 



Cap. XXIII. 59.48 Molluscoidea (Brachiostoma). 

 Cap. XXIV. 59.47 Bryozoa. 



47 Bryozoa 



•1 Gyrrmolaemata 

 •2 Phyiactolaemata 



47.3 Pterobranchia 

 •4 Entoprocta 



Phoronis v. 51.76. 



49 Timicata 

 .1 Ascidiae 

 •2 Copelatae 

 •3 Monascidiae 



Cap. XXV. 59.48 Braehiopoda. 



Cap. XXVI. 59.49 Tunicata. 



49.4. Synascidiae 



.5 Pyrosoma 



.(> Salpae 



.7 Doliolum 



Cap. XXVII. 59.5 AÏLTICULATA. 



Cap. XXVIII. 59. 



61 Venues 



.1 Helminthes, Parasiti 1 



»2 Platyhelminthes 



.21 Oestodes 



.22 Treraatodes 



.23 Turbellarii 



.24 Nemertini 



•S Nematodes 



•31 Gordiaeei 



•3tt Acanthocephali 



•85 Ohaetogaathi 



•4 Annelida 



.5 Hirudinea 



51 Vernies (incl. Mesozoa, Trichoplax), 



51.0 Oligochaeta 

 .7 Polychaeta 

 .74 Gephyrea 

 .76 Phoronis 

 .78 Myzostomum 

 .8 ïlotifera 

 .85 Eehinoderes 

 .88 Gastrotricha 

 .89 Dinophilus 

 .9 Orthonectida 

 .95 Dicyemida 

 .99 Trichoplax, etc. 



Cap. XXÏX. 59.52 AETEE.0P0DA. 

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



53 Crustacea 

 i .1 Kni.oÄsostraca 

 Pantopoda 

 Phyllopoda 

 ISranchiopoda 

 Cladoeera 

 Ostracoda 

 Copepoda 

 Parasita 

 Cirripedia 



Maiaeostraca, Leptostraca 

 Arthrostraca 

 Amphipoda 



.15 



.2 



.23 



.24 



.3 



.4 



.45 



.5 



.6 



.7 



.71 



1.72 Isopoda 



.8 Thoracostraca 



.81 Cumacea 



.82 Stomapoda 



.83 Schizopoda 



.84 Decapoda 



.84 1 Macrura, Anomura 



.842 Brachyura 



.9 Gîgantostraca 



.91 Eurypterida 



.92 Xinhosura 



.93 Triiobita 



a Im allgemeinen. 



