Molluscoidea — Crustacea. 



8 



Cap. XXIII. 59.46 Molluscoidea (Brachiostoma). 

 Cap. XXIV. 59.47 Bryozoa. 



47 Bryozoa 



.1 Gymnolaemata 

 .2 Phylactolaemata 



47.3 Pterobrauchia 

 .4 Entoprocta 



Phoronis v. 51.76. 



49 Tnnicata 

 .1 Ascidiae 

 .2 Copelatae 



Cap. XXV. 59.48 Brachiopoda. 



Cap. XXVI. 59.49 Tunicata. 



! 49.4 Synascidiae 

 .5 Pyro8oma 



.6 Salpae 



.7 Doliolum 



Cap. XXVII. 59.5 ARTICULATA. 



Cap. XXVIII. 59.51 Vei 



61 Vermes 



.1 Helminthes, Parasiti 1 

 .2 Platyhelminthes 

 .21 Uestodes 



Trematodes 



Turbellarii 



Nemertini 

 .3 Nematodes 

 .31 Gordiacei 

 .3Ii Acanthoeephali 

 ■35 Chaetognathi 

 .4 Annelida 

 .5 Hirudinea 



• - .* 

 .23 

 .24 



mes (incl. Mesozoa, Trichoplax), 



51.6 Oligochaeta 

 .7 Polychaeta 

 .74 Gephyrea 

 .76 Phoronis 



.78 Myzostomum 

 .8 Ilotifcra 

 .85 Eehinoderes 

 .88 Gastrotricha 

 .S9 Dinophilus 

 .9 Orthonectida 

 .95 Dicyemida 

 .99 Trichoplax, etc. 



Cap. XXIX. 59.52 AKTHKGPODA. 

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



63 Crustacea 



.1 iintomostraca 



.1 5 Pantopoda 



.2 Phyllopoda 



■23 Branchiopoda 



.24 Cladocera 



.3 Ostracoda 



•4 (Jopepoda- 



.45 1'arasita 



.5 Cirripedia 



•6 Malacostraca, I.eptostraca 



• 7 Arthrostraca 



.71 Amphipoda 



53.72 Isopoda 

 .8 Thoracostraca 

 .81 Cumaeea 

 .82 Stomapoda 

 .83 Schizopoda 

 .84 Decapoda 

 .841 Macrura, Anomura 

 .842 Brachyura 

 .9 Gigantostraca 

 .91 Eurypterida 

 .92 Xiphosura 

 .93 Trilobita 



lm allgeniemen. 



