MoUuscoidea — Orustacea. 9 
Cap. XXIII. 59.46 MoUuscoidea (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. XXVm. 59.51 Vermes 
51 Vermes 
.1 Helminthes, Parasiti^ 
•2 Platyhelminthès 
.21 Cestodes 
.22 Trematodes 
.23 Turbellarii 
.24 Nemertini 
.3 Nematodes 
.31 Gordiacei 
.33 Acanthocephali 
•35 Chaetognathi 
•4 Annelida 
.5 Hirudinea 
(incl. Mesozoa, Trichoplax). 
51.6 Oligochaeta 
.7 Polychaeta 
.74 Gephyrea 
.76 Phoronis 
.78 Myzostomum 
.8 Rotifera 
.85 Echinoderes 
.88 Gastrotricha 
.89 Dinophilus 
.9 Ortho nectida 
.95 Dicyemida 
.99 Trichoplax, etc. 
Cap. XXIX. 59.52 ARTHROPODA. 
Cap. XXX. 59.53 Crustacea (incl. Pantopoda et Xiphosura). 
53 Crustacea 
.1 Entomostraca 
.15 Pantopoda 
.2 Phyllopoda 
.23 Branohiopoda 
.24 Cladoeera 
.3 Ostracoda 
•4 Copepoda 
.45 Parasita 
.5 Cirripedia 
•6 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 
* Im allgemeinen. 
