74 



CLASSIFICATIONS OF ZOOPHYTES. 



Sub-Class II. P. Membranacea — in which are the three families 

 — 1. P. opercuUfera, of which the British genera are Es- 

 chara, Retepora, Cellepora, Berenicea, Discopora,and Mem- 

 branipora ; 2. P. cellaricea contains Flustra, Cellaria, Tri- 

 cellaria, Acamai-chis, Bicellaria, Crisia, Gemicellaria, Uni- 

 cellaria, Catenicella ; 3. Ser'tulariccea — arranged~thus : — 



( Anguinaria. 



'tubular, with a rounded aperture } Tibiana. 



(^ Tubularia. 

 f Coryne. 



campanulate < Campanularia. 



Cells, -^ (^Laomedea. 



, J Serialaria. 



I Plumiilaria. 



not tubulous, 



i Sertularia. 



paired -| Biseriaria. 



(^ Dynamena. 



7 X- 1 i. 1 1 J fCymodocia. 



denticulate, whorled -\ \ ^ ^ ■ 



[ Antennularia. 



denticulate, scattered Thoa. 



Sub-Class III. 

 Sub-Class IV. 



P. DUBiA — Cristatella, Pluraatella, Alcyonella. 

 P. NUDA — Hydra. 



Class— ZOOPHYTARIA. 



Body rather large and somewhat variable in shape, furnished with a 



single circle of pinnated tentacula of determinate number ; the 



ovaries internal. 



Family 1. Tuhijiorcea — divided into two sections, (1.) envelope 

 fleshy — with the genera Cuscutaria, which is the 

 same as Valkeria of Fleming, Telesto, Cornularia, 

 and Claviilaria, of which last three we have no na- 

 tive species : (2.) envelope calcareous — Tubipora. 



Family 2. Corallia — Coi'allium, Isis, Gorgonia, Eunicea, Prim- 

 noa, Antipathes, &c. 



Family 3. Pennahdaria — represented by Pennatula of Lin. with 

 the various genera into which it has been por- 

 tioned. 



Family 4. Alcyonaria — Lobnlaria, Alcyonium, Cydoniura, Pulmo- 

 nellum, Cliona. 



Type II. 



AMORPHOZOA. 



Bodies organized, animal, shapeless or without a determinate form, 



