368 



SABELLA. CONCRETE-SHELL. Cl. VI. 



GENUS XXXV. 



SABELLA. 

 SHELL. 



CONCRETE- 



Aximal various, Nereis, Amphitrite, Sec. 



Covering tubular, fabricated with sand and 

 broken shells, coherent by a glutinous ce- 

 ment. 



1. RODIS. 



Lin. Syst. 1268. No. 811. 



Baster subses. 



i. p. 80. tab, 



coarse. 



Terebella conchilega. Gm. 



9-fg. 4. 







Lin. 3113. 



S. conchilega. 

 Br. 547- 



Mont. Test. 



S. with a single case formed of larger fragments 

 of shells, with little or no sand. 



Found near Weymouth, lodged in the shell 

 of a bivalve. The animal is represented mag- 

 nified in Tab. xxviii. marked A. A. 



2. ALVEO- 

 LATA. 



honey-comb. 



Lin. Syst. 1268. No. 812. Ellis Conch, tab. xxxvi. p. 

 Gm. Lin. 3749. QO. 



S. with numerous tubes placed parallel, with 

 the orifices open, forming in the mass the ap- 

 pearance of the surface of honey- combs : com- 

 posed chiefly of sand, with very minute frag- 



