ANTHOZOA HYDROIDA. 103 



Class I. ANTHOZOA. 



" The study of Natural History is witMn the reach of every one ; and he 

 who is engaged in it, is presented at every step in his progress with some- 

 thing capable of awakening pleasing emotions. The whole earth is to him a 

 vast museum, in which are crowded beautiful and sublime objects, animate and 

 inanimate, in almost endless variety, all combining to amuse the understand- 

 ing and gladden the heart." 



I. ANTHOZOA HYDEOIDA. 

 Tribe I. TUBULARINA. 



Family COEYNID^. 



Character. Polypes rooted, fleshy, or sheathed in a horny skin, 

 simple or ramose, the upper part dilated into a clavated head 

 anned with tentacula, which are either irregular or sub-biserial, 

 and are variable in number ; mouth terminal ; oviform capsules 

 pullulating in clusters from the bases of the tentacula, and 

 naked. 



Genus I. CLAY A, Gmelin. 



Generic CJiaracter. Polypes single, fleshy, more or less club- 

 headed, but contractile, and mutable in form ; the tentacula 

 scattered, smooth, filiform, varying in number ; mouth terminal 

 and naked. The name is from clava, a club. — Johnston. 



