MoUuscoidea — Orustaoea. 



8 



Cap. XXÎII. 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 Tnnicata 

 .1 Ascidiae 

 •2 Copelatae 

 •8 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 Vermes 



61 Vermes 



•1 Helminthes, Parasiti^ 

 *2 Platyhelmînthes 

 •21 Cestodes 

 .22 Trematodes 

 .28 Turbellarii 

 .24 Nemertini 

 •3 Nematodes 

 .31 Gordiacei 

 .3H Acanthocephali 

 •35 Chaetognathi 

 •4 Annelida 

 .5 Hirudinea 



(incl. Mesozoa, Trichoplax) 

 61.6 Oligochaeta 



.7 Polychaeta 



.74 Gephyrea 



.76 Phoronis 



.78 Myzostomum 



.8 Rotifera 



.85 Echinoderes 



.88 Gastrotricha 



.89 Dinophilus 



.9 Orthonectida 



.95 Dicyemida 



.99 Trichoplax, etc. 



Cap. XXIX. 59.52 ARTHROPODA. 

 Cap. XXX. 59.53 Crustacea (incl. Fantopoda et Xîphosura 



I Crustacea 

 .1 Entomostraca 

 .16 Pantopoda 

 .2 Phyllopoda 

 .23 Branchiopoda 

 .24 Cladocera 

 .3 Ostracoda 

 •4 Copepoda 

 .45 Parasita 

 •6 Cirripedia 



•6 Malacostraca, Leptostraca 

 •7 Arthrostraca 

 •71 Amphipoda 



L72 Isopoda 

 .8 Thoracostraca 

 .81 Cumacea 

 .82 Stomapoda 

 .83 Schizopoda 

 .84 Decapoda 

 .841 Macrura, Anomura 

 .842 Braehyura 

 .9 Gigantostraca 

 .91 Eurypterida 

 .92 Xiphosura 

 .93 Trilobita 



* Im allgeineinen. 



