so flattened on the surface as to appear one uniform 

 smooth level. Common on sandy shores, .abundant at 

 Shellness,inKent. 2. . 



GENUS. SAEELLARIA. 



Tubes gregarious, forming one mass, resembling honey- 

 combs on the upper surface, composed of sand, 

 broken shell and small stones ; apertures cup- 



S. ALVEOLATA. Lam. 1. SABELLA A. Lin 1268. 

 Mont. p. 540 Pen. t. 92. / 162. (Ellis Coral, t. 

 36.J Don. t. 139. With numerous tubes placed 

 parallel to each other, contiguous but not interfering, 

 apertures somewhat expanded. Common, Margate, 

 near Tenby, near Wey mouth, fyc. 



GENUS. TEREBELLA. 



Tube solitary, elongated, cylindraceous, attenuated 

 and pointed at its base , pervious only at the apex, 

 composed of agglutinated sand or shells. 



T. CHRYSODON. SABELLA. C. Mont p. 546. An 

 Lin. 1269. Mart. f. 29, 30. Tube free, cylindrical, 

 about as large as a goose-quill, composed of sand, 

 fragments of shell or small flat pieces of stone cemented 

 on a tubular membrane which is smooth within : mouth 

 furnished with numerous long fibres of the same texture. 



