PLATE IX. 



SERPULA SPIRORBIS. 



GENERIC CHARACTER. 



Animal a Terebella, or whimble worm. Shell tubular, adlieres to 

 other bodies, as shells, stones, &c. 



SPECIFIC CHARACTER 



AND 



SYNONYMS. 



Small, orbicular, spiral or wreathed like a cornu ammonis ; convex 

 above, fiat beneath. 



Serpula Spirorbis, testa regulari spirali orbiculata : anfractibus supra 

 introrsum subcanaliculatis sensimque minoribus. — 

 Gmel. Linn. Syst. Nat. Conch, p. 3740. 5. 

 Vermiculus exiguus albus nautiloides, algae fere adnascens. List. H. 



Conch, tab. 533. — tab. 553. Huddesford' } s edition. 

 Very small Worm Shells. Dale, Harw. p. 391. No. 2. and p. 455. 



No. 2. 

 Depressed orbicular Cochleae on Algae. Wallis. Northumb. I. 



p. 402. No. 41. 

 Serpula Spirorbis, Spiral. Penn. Br. Zool. No. 155. tab. 9 1. Jig. 155. 

 Serpula Spirorbis, Spiral, Vermiculaire Nautiloide.—^ry^ orbicu- 

 lata et Spirali, ammoniae instar convoluta. Da 

 Costa Br. Conch. 12. — tab. 2. jig. 11. 



