Molluscoidea — Crustacea. 



8 



Cap. XXIII. 59.46 Molluscoidea (Brachiostoma). 

 Cap. XXIV. 59.47 Bryozoa. 



47 lirvozoa 



.1 Gymnolaemata 

 .2 Phylactolaemata 



40 Tuuicata 

 .1 Aticidiae 

 .2 Copelatae 

 •8 Monascidiae 



47.3 Pterobranchia 

 .4 Entoprocta 



Phoronis v. 51.76. 



Cap. XXV. 59.48 EracMopoda. 



Cap. XXVI. 59.49 Tuuicata. 



49.4 Synascidiae 

 .5 Pyrosoma 

 .6 Salpae 



.7 Doliolum 



Cap. XXVII. 59.5 ARTICULATA. 



Cap. XXVIII. 59.51 Vermes 



61 Vermes 



.1 Helminthes, Paraaiti^ 



•2 Platyhelminthea 



.21 Cestodes 



.22 Trematodes 



.23 Turbellarii 



.24 Nemertini 



.3 Nematodes 



.31 Gordiacei 



.33 Acanthocephali 



.35 Ohaetognathi 



.4 Annelida 



.5 Hirudinea 



(iucl. Mesozoa, Trichoplax), 



51.6 Oligochaeta 

 . 7 Polychaeta 

 .74 Gephyrea 

 .76 Phoronis 

 .78 Myzostomum 

 .8 Rotifera 

 .85 Echinoderea 

 .88 Gasiroiricha 

 .89 Dinophilus 

 .9 Orthonectida 

 .95 Dicyemida 

 .99 Trichoplax, etc. 



Cap. XXIX. 59.52 AETHROPODA. 

 Cap. XXX. 59.53 Crustacea (incl. Pantopoda et Xipliosura), 



53 Crustacea 



.1 Entomustraca 



.15 Pantojoda 



.2 Phyllopoda 



.23 Branchiopoda 



.24 Cladocera 



.3 Ostracoda 



•4 Copepoda 



.45 J-'uj:.sita 



.5 Cirri Ttedia 



,6 Malaco-itraca, Leptostraca 



•7 ArthroNtraca 



•71 Amphipoda 



53.72 Isopoda 

 .8 Thoracostraca 

 .81 Cumacea 

 .82 Stomapoda 

 .83 Schizopoda 

 .84 Decapoda 

 .841 Macrura, Anomura 

 .S42 Brachyura 

 • .9 Gigantosiraca 

 .91 Eurypterida 

 .92 Xiphosura 

 .93 Trilobita 



* Im allgemeinen. 



