CLASSIFICATIONS OF ZOOPHYTES. 459 



( Anguinaria. 



tubular, with a rounded aperture < Tibiana. 



( Tubularia. 



I Coryne. 



campanulate < Campanularia. 



Cells I I ( Laomedea. 



i I Serialaria. 



\ Pluraularia. 



( Sertularia. 



not tubulous, ^ paired < Biseriaria. 



( Dynamena. 



1 X- 1 X 1, 1 J ( Cymodocia. 



denticulate, wnorled < .•' , , . 



' ( Antennularia. 



denticulate, scattered Thoa. 



Sub-Class III. P. DUBiA — Cristatella, Plumatella, Alcyonella. 

 Sub-Class IV. P. NTJDA — 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. 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 

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



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

 Antipathes, &c. 



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

 the various genera into which it has been por- 

 tioned. 



Family 4. A Icyonaria — Lobularia, Alcyonium, Cydonium, Pulmo- 

 nellum, Cliona. 



Type II. 

 AMOBPHOZOA. 

 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- 



