1082 SERPULA. 



DECUSSATA. 31. Shell taper, flexuose, irregularly- 

 contracted and marked with much elevated 

 striae. 



Seipula decussata, GmeJin, p. 3745. 



Serpula, No. 8. Schroeter Eiiil. ii. p. 558. 



Le Bois de Cliarme. Favamie, i. p. 652. t. 6. f. L. 



Lister Conch, t. 547- f. 4. Martini, i. p. 53. t. 2. f. 17. 



Inhabits Barbadocs. Lister. Coast of America. Favamie. 



Martini's figure is copied, and his description (as also are those 

 of Schroeter and GmeUn) is taken wholly from Lister's, but 

 there can be no doubt that Le Bois de Charme belongs to 

 the same species, and of this shell Favanne has given the 

 following account : " Le Bois de Charme est un Tuyau 

 d'Amerique, a stries longitudinales, fines et serrees, medio- 

 crement epais, de figure conique fort alongee et sinueuse, se 

 repliant sur lui-meme, avec des nodosites ou renfiemens de 

 distance en distance. 11 est en dehors d'un fauve rougeatre 

 fonce, et blanchatre en dedans ; son ouverture ant^rieure est 

 mi;:ce et cylindrique, mais sa pointe est conique et fermee. 

 II est represente ici solitaire et de grandeur ordinaire, quoiqu'il 

 se trouve souvent en groupes, et d'un volume plus conside- 

 rable. 11 est pen commun." In Lister's figure a few irre- 

 gular transverse strize are represented, which are not noticed 

 in the above description ; but they appear too irregular to 

 justify Gmelin's introduction of ' decussated striae' in the 

 specific character. 



VERMicuLARis. 32. Shell taper, subulate, curved, 

 and transversely wrinkled. 



Serpula vermicularis. Linnans Syst. Nat. p. 1267. Peti- 

 iiant Zool. iv. p. 146. t.91. f. 158. Martini, i. p. 61. 

 Da Costa Brit. Conch, p. 18. t. 2. f. 5. Schroeter Einl. 

 ii. p. 5bS. Muller ZooL Danica, iii. p. 9- t. 86. f. 7 to 9- 

 Gmelin, p. 3743. Donovan, iii. t. 95. Montagu Test. 

 p. 509. Maton and Racket, in Lin. Trans, viii. p. 243. 

 Dorset Cat. p. 60. t. 22. f. 5. 

 Tubus vermicularis. Ei/is Corallines, t. 38. f. 2. 

 Common on the coasts of Europe on stones and shells. 

 iS. vermicularis differs from 6'. triquetra in being more slender 

 and cylindrical, without any carinated edge, more strikingly 

 wrinkled transversely, and in size, which is generally much 

 larger : from the circumstance of only one trumpet-shaped 

 proboscis being represented in the figures of Ellis and Do- 

 novan, Mr. Montagu has referred to them for S. triquetra, 



