74 
CLASSIFICATIONS OF ZOOPHYTES. 
Sub-Class II. P. Membranacea — in which are the three families 
— 1. P. operculifera, of which the British genera are Es- 
chara, Retepora, Cellepora, Berenicea, Discopora, and Mem- 
branipora ; 2. P. cellaricea contains Flustra, Cellaria, Tri- 
cellaria, Acamarchis, Bicellaria, Crisia, Gemicellaria, Uni- 
cellaria, Catenicella ; 3. Sertulariccea — arrangedYhus : — 
f Anguinaria. 
tubular, with a rounded aperture Tibiana. 
( Tubularia. 
f Coryne. 
campanulate -< Campanularia. 
Cells, ■{ (Laomedea. 
{ Serialaria. 
Plumularia. 
( Sertularia. 
not tubulous, "] paired < Biseriaria. 
( Dynamena. 
denticulate, whorled { AnTeldaria. 
denticulate, scattered Thoa. 
rowed, 
Sub-Class III. P. dubia — Cristatella, Plumatella, Alcyonella. 
Sub-Class IV. P. nuda — Hydra. 
Class— ZOOPITYTARIA. 
Body rather large and somewhat variable in shape, furnished with a 
single circle of pinnated tentacula of determinate number; the 
ovaries internal. 
Family 1. Tubiporcea — divided into two sections, (1.) envelope 
fleshy — with the genera Cuscutaria, which is the 
same as Valkeria of Fleming, Telesto, Cornularia, 
and Clavularia, of which last three we have no na- 
tive species : (2.) envelope calcareous— Tubipora. 
Family 2. Corallia — Corallium, Isis, Gorgonia, Eunicea, Prim- 
noa, Antipathes, &c. 
Family 3. Pennatularia — represented by Pennatula of Lin. with 
the various genera into which it has been por- 
tioned. 
Family 4. Alcyonaria — Lobnlaria, Alcyonium, Cydonium, Fulmo- 
nellum, Cliona. 
Type II. 
AMORPHOZOA. 
Bodies organized, animal, shapeless or without a determinate form, 
