Cells 



CLASSIFICATIONS OF ZOOPHYTES. 459 



( Anguinaria. 



/ tubular, with a rounded aperture 1 Tibiana. 



I ( Tubularia. 



1 ( Coryne. 



campanulate -J Campanularia. 



( Laomedea. 



rowed (Serialaria. 



{ Plumulana. 



( Sertularia. 

 not tubulous, paired 1 Biseriaria. 



( Dynamena. 



denticulated { g k, 



denticulate, scattered Thoa. 



Sub-Class III. P. DTTBIA Cristatella, Plumatella, Alcyonella. 

 Sub-Class IV. 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. TuUporcea 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 

 native species : (2.) envelope calcareous Tubipora. 



Family 2. Corallia Corallium, Isis, Gorgonia, Eunicea, Primnoa, 

 Antipathes, &c. 



Family 3. Pennatularia represented by Pennatula of Lin. with 

 the various genera into which it has been por- 

 tioned. 



Family 4. Alcyonaria Lobularia, Alcyonium, Cydonium, Pulmo- 

 nellum, Cliona. 



Type II. 

 AMORPHOZOA. 



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

 pierced with oscula and numerous pores, but without mouths or 

 distinct individual animals, always adherent, and composed of a 

 fibro-gelatinous substance, intermixed or not with calcareous or 

 siliceous spicula, with internal buds or gemmules not localized. 



This embraces the sponges only, divided into the following genera 

 Alcyonellum, Spongia, Calcispongia, Halispongia, Spongilla, Geo- 



