MoUuscoidea — Crustacea. 



8 



Cap. XXill. 59.46 MoUuscoidea (Biachiostoma). 

 Cap. XXIV. 59.47 Bryozoa. 



47 Bryo/oa 



,1 G) innolaemata 

 Phylactolaeiiiaty 



.2 



49 Tiinicafa 



,1 A.^cidiae 

 .2 Copelatae 

 .3 Monascidiae 



47.3 Pterobranchia 

 .4 Entoprocta 



Phoronis v. 51.76. 



Cap. XXV. 59.48 Brachiopoda. 



Cap. XXVI. 59.49 Tunicata. 



Synascidiae 



49.4 

 *o 

 .0 

 .7 



ryrosoma 

 Salpae 

 ])oliolum 



Cap. XXVII. 59.5 ARTICULATA. 

 Cap. XXVIII. 59.51 Vermes (incl. Mesozoa, Trichoplax). 



h\ Venues 



.1 HelnuQthes, I'arasiti' 



.2 Platyhelminihes 



,*21 Cestodes 



.'i2 Treraatodes 



.23 TurbeJlarii 



.24 Nemertiui 



,'<i Nematodes 



.31 Gordiacei 



.33 Acanthocephali 



.35 Ohaelognatl;i 



.4 Annelida 



.6 Hirudinea 



51.6 Oligochaeta 

 .7 Polychaeta 

 .74 Gephyrea 

 .76 Phoronis 

 ,78 Myzostomutn 

 .S Kotifera 

 .85 Eehinoderes 

 .88 Gastroiricha 

 .89 Dinophilus 

 .9 Orlhor.ectida 

 .95 Dicyemida 

 .99 Trichoplax, etc. 



Cap. XXIX. 59.52 ARTHROPODA. 

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



* lin ullgeuieii.en. 



