Mollusooidea — Orustacea. 



8 



Cap. XXIII. 59.46 Molluscoidea (Biachiostoma), 

 Cap. XXIV. 59.47 Bryozoa. 



47 Bryozoa 



.1 üymnolaemata 

 •2 Phylactolaemata 



47.3 Pterobranchia 

 •4 Entoprocta 



Phoronis v. 51.76. 



40 Tiinicata 

 .1 Ascidiae 

 .'J Copelatae 

 •o Monascidiae 



Cap. XXY. 59.48 Brachiopoda. 



Cap. XXVI. 59.49 Tunicata. 



j 49.4 Synascidiae 



.5 Pyrosoma 



I .6 Salpae 



î .7 Doliolum 



Cap. XXVÎÎ. 59.5 AETICULATA. 



Cap. XXVm. 59.51 Vermes 

 61 Vermes 



.1 Helminthes, Parasiti* 

 .2 Platyhelminthes 

 .21 Cestodes 

 .22 Trematodes 

 .23 Turbellarii 

 .24 Nemertini 

 .3 Nematodes 

 .31 Gordiacei 

 .33 Aeanthocephali 

 .35 Chaetognathi 

 .4 Annelida 

 .6 Hirudinea 



(incl. Mesozoa, Trichopiax), 



51.6 Oligochaeta 

 .7 Polychaeta 

 .74 Gephyrea 

 .76 Phoronis 

 .78 Myzostomum 

 .-S Pvotifera 

 .85 Eohinoderes 

 .88 öastrotricha 

 .89 Dinophilus 

 .0 Orthonectida 

 .95 Dieyemida 

 .99 Trichoplax, etc. 



Cap. XXIX. 59.52 AETEROPODA. 



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



53 Crustacea 53.72 Isopoda 



.1 Entoœostraca 

 •1 5 Pantopoda 

 .2 Phyllopoda 

 .23 Branchiopoda 

 •24 Cladocera 

 •3 Ostracoda 

 •4 Copepoda 

 •45 Parasita 

 •5 Cirripedia 



•6 Malacostraca, Leptostraca 

 •7 Arthrostraca 

 • 71 Amphipoda 



.8 Thoracostraca 



.81 Cumacea 



.82 Stomapoda 



.83 Schizopoda 



.84 Decapoda 



.841 Macrura, Auomura 



.842 Brachyura 



.9 Gigantostraca 



.91 Eurypterida 



.92 Xiphosura 



.93 Trilobita 



* Im allgemeinen. 



