Molluscoidea — Crustacea. 



8 



Cap. XXIII. 59.46 Molluscoidea (Brachiostoma). 

 Cap. XXIV. 59.47 Bryozoa. 



47 Bryozoa 



.1 Gymnolaemata 

 •2 Phylactolaemata 



47.3 Pterobranchia 

 .4 Entoprocta 



Phoronis v. 51.76, 



49 Tunicata 

 .1 Ascidiae 

 .2 Copelatae 

 *3 Monascidiae 



Cap. XXV. 59.48 Brachiopoda. 



Cap. XXVI. 59.49 Tunicata. 



49.4 Synascidiae 

 .5 Pyrosoma 



.6 Salpae 



.7 Doliolum 



Cap. XXVII. 59.5 ARTICULATA. 



Cap. XXVIII. 59.51 



61 Vermes 



.1 Helminthes, Parasiti 1 



•2 Platyhelminthes 



.21 Cestodes 



.22 Trematodes 



.23 Turbellarii 



.24 Nemertini 



.3 Nematodes 



.31 Gordiacei 



.33 Acanthocephali 



.35 Chaetognathi 



•4 Annelida 



.5 Hirudinea 



Vermes (incl. Mesozoa, Trichoplax). 



51.6 Oligochaeta 

 .7 Polychaeta 

 .74 Gephyrea 

 .76 Phoronis 

 .78 Myzostomum 

 .8 Rotifera 

 .85 Echinoderea 

 .88 Gastrotricha 

 .89 Dinophilus 

 .9 Orthonectida 

 .95 Dicyemida 

 .99 Trichoplax, etc. 



Cap. XXIX. 59.52 ARTHROPODA. 

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



53 Crustacea 



.1 Entomostraca 



.16 Pantopoda 



.2 Phyllopoda 



.23 Branchiopoda 



.24 Cladocera 



.3 Ostracoda 



•4 Copepoda 



.45 Parasita 



.5 Cirripedia 



•(> Malacostraca, Leptostraca 



• 7 Arthrostraca 



•71 Amphipoda 



53.72 Isopoda 

 .8 Thoracostraca 

 .81 Cumacea 

 .82 Stomapoda 

 .83 Schizopoda 

 .84 Decapoda 

 .841 Macrura, Anomura 

 .842 Brachyura 

 .9 Gigantostraca 

 .91 Eurypterida 

 .92 Xiphosura 

 .93 Trilobita 



1 Im allgeraeinen. 



