65^ RADIATA. 



of nature ; 13 magnified. Tubular, bram-hed, with tlic axillae of the brBnchpH 

 twisted. Inhabits the British seas. 



ORDEa IV. — POLYPI DENUDATI. 



Polypi provided with tentaeuli, and not congregated in a polypiferous 

 mass ; greatly diversified in form, as well as in the number and situation of 

 their tentacula ; and either constantly or spontaneously fixed. 



ORDER V. POLYPI CILIATI. 



Mouth provided with ciliated and gyratory organs, which agitate the 

 water, but not fitted for seizing their food. 



CLASS XV INFUSORIA. 



Mlcostopic, gelatinous, transparent, polymorphous, and contractile ani. 

 mals ; without any distinct mouth, or constant, determinable, interior 

 organ j generation supposed fissiparous or geminiparous. 



ORDER !. — INFUSORIA APPENDICULATA. 



With projections at the exterior of the body, such as hairs ; a sort of 

 horns or a tail. 



ORDER II. — INFUSORIA NUDA. 



Body extremely simple, devoid of organs or exterior appendages; and 

 appearing homogeneous. 



