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THE VOYAGE OF H.M.S. CHALLENGER. 
Group A. ECTOPROCTA. 
Table of Classification. 
Sub-order II. CYCLOSTOMATA. 
Division I. Articulata s. Radicata. 
I. Crisiadae, 
Division II. Inarticulata. 
Subdivision A. Erecta. 
IL Idmoneidae, . 
Subdivision B. Adnata 
s. Decumbentia. 
III. Tubuliporidse, 
IV. Diastoporidse, 
V. Licbenoporidse, 
VI. Frondiporidae, 
Sub-order III. CTENOSTOMATA. 
Division I. Halcyonellea. 
I. Alcyonidulae, 
Division II. Vesicularina. 
Group B. ENTOPROCTA. 
Order PEDICELLINE A. 
IL Vesicular idas, 
III. Cylindroecidse, 
I. Pedicellinidse, 
PAGE 
Crisia , . 
2 
Idmonea , 
9 
Hornera, 
. 14 
Pustulopora , . 
. 18 
Alecto, . 
. 22 
Tubulipora, 
. 22 
Diastopora, 
. 24 
Lichenopora, . 
- . 25 
Fasciculipora, . 
. 27 
Supercytis, 
. 28 
Alcyonidium, . 
. 31 
| Amathia, 
. 33 
<: Vesicularia, 
. 36 
( Farrella, 
. 37 
Cylindroecium, 
. 38 
Ascopodaria, . 
. 4 
