140 UNIVALVES. SABELLA. 



ance of honey-combs. It is an inliabitantof the Europe- 

 an coasts, and covers the rocks for a considerable space, 

 and is easily broken under the feet. The tubes are straight- 

 ish, and from two to three inches long. The S. rectan- 

 gula is one of the largest of the genus, and often measures 

 nine inches in length. 



There are no less than fourteen or fifteen species which 

 inhabit rivers and fresh-waters; and most of them are 

 from the waters of Thuringia and Belgium, where they 

 are affixed to stones, &c. The other species are from the 

 Indian, American, Northern, and European seas. 



SABELLA. 



Scruposa — White-sandy. Vegetabilis — Vegetable. 



Scabra — Rough. Ammoniata — Ammonites. 



*Alveolata — Honey-comb. Helicina — Helix. 



Chrysodon — Pebble. Dimidiata — Divided. 



*Belgica — Granulated. Fixa — Stony. 



Rectangula — Rectangular. Clavata — Club-shaped. 



Capensis — Cape. Corticalis — Bark. 



Nigra — Blade. Arundinacea — Reed. 



Stagnalis — River. Aculeata — Twig. 



Conica — Conic. Marsupialis — Sooty. 



Uncinata — Hooked. Norwegica — Norway. 



Sabulosa — Gravel. Lumbricalis — Cork-screw. 

 Indica — Indian. 



THE END. 



