Molluscoidea — Crustacea. 



S 



47 Bryozoa 



.1 Gymnolaeraata 

 •2 Phylactolaemata 



Cap. XXIII. 59.46 Molluscoidea (Brachiostoma). 

 Cap. XXIV. 59.47 Bryozoa. 



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 Synaseidiae 



.5 Pyrosoma 



.6 Salpae 



.7 Doliolum 



Cap. XXVII. 59.5 ARTICULAT A. 



Cap. XXVIII. 59.51 Vermes 



51 Termes 



•1 Helminthes, Parasiti 1 

 •2 Platyhekninthes 

 .21 Cestodes 

 .22 Trematodes 

 .23 Turbellarii 

 •24 Nemertini 

 .3 Nematodes 

 .31. Gordiacei 

 •iî*i Acanthocephali 

 .35 Chaetognathi 

 .4 Annelida 

 •5 Hirudinea 



(incl. Mesozoa, Trichoplaxj, 

 51.6 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. Pantopoda et Xiphosura) 



53 Crostacea 



.1 Entomostraca 

 .15 Pantopoda 

 .2 Phyllopoda 

 .23 Branchiopoda 

 .24 Cladocera 

 •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 



1 1m aLUemeint 



