40 CIRRHIPEDA FIRST ORDER. 



" Galeolaria is a New Holland genus. 

 " Magillus is found in the Isle of France ; 

 the shell is sometimes three feet in length. 



"Class 10th. Cirrhipeda, 

 contains two orders : the first, sessile, or placed 

 upon some other body; the second, /)e«/z^?2cz^Za/^, 

 and fixed at the extremity of the pedicle to other 

 substances. 



"• The class takes its name from the Cirrhi, or 

 feathery tentacula. The genus Lepas only is 

 contained in the Cirrhipeda class. 



'' 1 St Order. Shells Sessile. 

 Genera. 

 Tuhicinella. 

 Coronula. 



Balaniis. 



. _, > All included in Lepas. 



Acasta. / ^ 



Creusia. 



Pyrgoma. 



" The first genus contains but one species ; 

 the shell is buried up to its aperture in the skin 

 and fat of whales. 



" The second, Coronula, is found inserting 

 itself in the sea-turtle, &c. 



^'Balanus is known to you as the acorn-shell ; 

 a genus widely diffused ; abounding on rocks, 

 shells, and wood, in large colonies. 



