EXAMPLES OF CLASSES. 



footed, or animals whose organs of locomotion are attached to 

 their bellies. 



Lamellibranchia is compounded of two Latin words, (lamella, a 



Fig. 135. The Auatifa (animals which attach themselves to ships' bottoms). 

 Example of the class Cirrhipeds. 



plate or leaf ; and branchia, a ffill,} the class including those 

 animals which have gills or branchia placed by pairs along the 

 body, of a lamellated form. 



Acephala is also a Greek compound, signifying absence of head. 



Brachiopods is a Greek compound, signifying arm-footed, or 

 animals whose members of prehension are also those of locomotion, 

 figs. 18, 19, 71. 



Bryozoa, from the Greek word Ppvov, a mossy sea-weed, figs. 20 

 to 23, 73. 



Echinodermata is a Greek compound, signifying spiny-skinned, 

 fig. 136. 



Polyparia is another Greek compound, signifying produced by 

 polypes or corals, fig. 137. 



Foraminifera is a Latin compound, implying the existence of 

 foramina, or openings in the partitions of the shells, figs. 100 

 to 106. 



Amorphozoa is a Greek compound, signifying living things 

 destitute of definite form, figs. 138, 139, 140. 



D 2 35 



