Molluscoidea — Crustacea. 



8 



Cap. XXIII. 59.46 Molluscoidea (Brachiostoma). 

 Cap. XXIV. 59.47 Bryozoa. 



41 n 17020a 



.1 (jymnolaemata 

 •2 Phylactolaemata 



47.3 Pterobranchia 

 .4 Entoprocta 



Phoronig v. 51.76. 



40 Tanlcata 

 ,1 Ascidiae 

 .'i Copelatae 

 .3 Monnscidiae 



Cap. XXV. 59.48 Brachiopoda. 



Cap. XXVI. 59.49 Tunicata. 



49.4 Synascidiae 

 .5 Pyrosoma 



.6 Salpae 



.7 Doliolum 



Cap. XXVII. 59.5 AETICULATA. 



Cap. XXVIII. 59.51 Ver 



61 Venues 



.1 iielmiuthea, Parasitil 



.2 Platyhelminthes 



.21 Oestodes 



,-'1 Trematodea 



.23 Turbellarii 



.24 Nemcrtini 



.:> Nematodes 



,3 1 Gordiacei 



.J.> .'VcaHthocephali 



.35 Chaetognathi 



•4 Annelida 

 .5 Hirudinea 



mes (incl. Mesozoa, Trichoplax), 



61. G Oligochaela 

 .7 Polycbaeta 

 .74 Gephyrea 

 .76 Phoronis 



.78 Myzostomum 

 .8 Jlotifera 

 .85 Echinoderes 

 .88 Gastrotricha 

 .89 Dinophilus 

 .9 Orthonectida 

 .95 Dicyemida 

 .99 Trichoplax, etc. 



Cap. XXIX. 59.52 ARTEHOPODA. 



Cap. XXX. 59.53 Crustacea 



53 Crustacea 



.1 Entouiostraca 



.15 Panto poda 



,2 Phyllopoda 



,23 Branchiopoda 



.24 Cladocera 



•8 Osiracoda 



•4 i.'opepoda 



,45 l^arasita 



,5 Cirripedia 



•0 Malacostraca, heptoUraca 



•7 Arthrostraca 



,71 Amphipoda 



(iucl. Pantopoda et Xiphosura). 



63.72 Isopoda 

 .8 Thoracoslraca 

 .81 Cumacea 

 .82 Stomapoda 

 ,83 Schizopoda 

 .84 Decapoda 

 .841 Macrura, Anomara 

 .842 Brachyura 

 .9 Gigantostraca 

 .91 Eurypterida 

 .92 Xiphosura 

 .93 Trilobita 



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