PLATE CXXXIX. 



SABELLA ALVEOLATA. 



HONEY-COMB SABELLA) OR SAND SHELL* 

 GENERIC CHARACTER* 



Animal a Nereis, with a ringent mouth, and two thicker tentacufce 

 behind the head. Shell tubular, and composed chiefly of sand, agglu- 

 tinated to a membranaceous tube. 



SPECIFIC CHARACTER 



AND 



SYNONYMS. 



Composite, consisting of numerous parallel tubes, with somewhat 

 funnel-shaped aperture. 



Sabella alveolata : testa composita concamerationibus nume- 

 rosis : aperturis sub-infundibuliformibus. 



Sabella alveolata : testa composita concamerationibus nume- 

 rosis poro communicantibus. Gmel. Linn. Syst* 

 Nat. T. 1. p. 6. p. 3749. Sp. 3. 



Sabella alveolata, Honey-comb. Penn. Brit. Zool. Vol, 4. 

 p. 147. sp. 162.— Ellis Coral, p. 90. /. 36. 



