130 UNIVALVES. 



SERPULA Aquaria* 



WATERING POT. 



Specific Character. Shell taper, straight, 

 with a convex disk at the summit perforated so 

 as to resemble the rose of a watering pot, having 

 also a radiated border : the colour is white with 

 a slight tinge of pale red or grey; the shell 

 when perfect is nearly a foot long, and more than 

 an inch in diameter at the dilated summit. 



This most singular and beautiful shell is rare ; 

 it is found in the East Indies. It bears a great 

 resemblance to the spout and rose of a watering- 

 pot. It is now separated from the Serpulse 

 under the generic name Aspergillum. 



Genus. TEREDO. (Plural, Teredines.} 



SHIP WORM. 



Generic Character. Shell tubular, tapering, 

 flexuous, lodged in woody substances, with two 

 hemispherical valves, covering the head of the 

 animal, and two others of a lanceolate shape 

 near the extremity of the tail. 



* Plate VI. figure 3. 



