GENERA AND SPECIES. 
Pol. 5 
GENERA ANI) SPECIES. 
The following classification is adopted by Lankester (6) : 
PODAXONIA. 
Class I. Sipunculoiclea. 
,, II. Bracliiopocla. 
„ III. Polyzoa. 
Section 1. Vermiformia — Phoronis. 
,, 2. Pterobranchia — Rhabdopleura , Cepbalodiscus. 
„ 3. Eupolyzoa. 
Sub-class 1. Ectoprocta. 
Order 1. Phylactolemci — Lophopus, Plumatellci. 
„ 2. Gymnolcema. 
Sub-order I. Cyclostoma — Crisia , Hoimera, Tabulipora . 
,, II. Ctenostoma—Alcyonidium , Vesicularia. 
,, hi. Ckilostoma — Cellularia, Bagula, Flustra , 
Eschara , Cellepora. 
Sub-class 2. Entoprocta — Pedicellina , Loxosoma , Urnatella. 
Cheilostomata. 
Catena riidja 
Gatenicella gracilenta, sp, n., Port Phillip Heads, (9) p. 106, pi. i. 
fig. 3. 
Cellulariid^:. 
Maplestonia , g. n. “ Zoarium consisting of series of single and gemi¬ 
nate cells, connected by distinct, corneous tubes. Cells with the front 
Avholly occupied by a membranous area, or with the lower part filled in ; 
imperforate behind. No avicularia or vibracula.” M. cirrata , sp. n. (?), 
Portland, Maplestone, Warrambool, Watts, (8) p. 99, pi. i. figs. 9 & 9b, 
simplex, sp. n., Port Phillip Heads, (9) p. 107, figs. 2 & 2b. ' 
Canda tenuis , sp. n., Port Phillip Heads, (9) p. 107, pi. iv. figs. 1 & lb. 
Bicellariid m, 
Beania zoilsoni, sp. n., Port Phillip Heads, (9) p. 108, pi. ii. figs. 1 & 1 a. 
Urceolipori dm. 
Substituted in MS. for Gemellariidce in the text. 
TJrceolipora dentata , sp. n., Port Phillip Heads, (9) p. 109, pi. i. figs. 1 
& 1 b. 
