SERPULA. 1081 



f. 8. is copied from Gualtei's figure, and from ihence Gme- 

 lin's S. echinuta has been obviously taken. 



ANNULARIS. 29. Shell sub-cylindrical, with annu- 

 lar contractions, and an obsolete longitudinal 

 fissure. 



Serpula lumbricalis, Var. y. Gmelin, p. 3742. 

 Serpiila, No, 7. Schroeter Einl. ii. p. 557. 

 Le Tire-bourre annulaire. Favanne, i. p. 660.. t. 6, f. G 2. 

 Bonaimi Rec. 1. f. 20 C. Martini, i. p. 53. t.2. f. iG. 



Inhabits 



Shell thick, variously curved and twisted, and marked with an- 

 nular contractions, which in Favanne's figure appear to be 

 about a quarter of an inch apart ; the colour is brownish 

 yellow on the outside, and pale fawn-colour within ; the lon- 

 gitudinal fissure is so very narrow as to be hardly observable, 

 and is placed in a groove between two small elevated striae. 

 Favanne has not mentioned the length ; but as it may be 

 doubted whether the specimens were perfect from which the 

 figures above referred to were taken, it probably extends to 

 six or eight incheS; and the diameter is near half an inch. 



coRNU-copi^. 30. Shell sub-conical, taper, rather 

 obtuse, and twice twisted spirally ; aperture 

 orbicular. 



Serpula Cornu-copiae. Gmelin, p. 3745. 



Serpula helicina. Portland Cat. p. 190. lot 4040. 



Serpula, No. 25. Schroeter Einl. ii. p. 56'4. 



Cornu Copiai. Born Miis. p. 362. t. 13. f. 10 and 11, and 



Vign. at p. 36l. 

 Cornu Copite monstrosum. Chemnitz, ^i. p. 292. t. 211. 



f. 2092 and 2093. 

 Cornucopia helicina. Shazo Nat. Misc. xiv. t. 518. 



Inhabits the Mauritius, where it burrows into stone and coral. 

 Humphreys. 



This rare and elegant shell is about two inches long, and eight 

 lines in diameter at the broader end, from which it tapers 

 gradually to an obtuse point; the colour is yellowish, with 

 three variegated longitudinal brown bands; it has the aper- 

 ture of a Turbo, with the habit of a Helix allied to Ponia- 

 tia or scalaris, but its volutions are entirely unconnected and 

 distant from each other, and the habitat which Mr. Hum- 

 phreys has given precludes the possibility of its being a dis- 

 torted land shell. 



