348 ADDENDA AND CORRIGENDA. 



Page 274, after FILOGRANA, and before OTHONIA, add— 

 Genus 48*. SPIRORBIS. 



Daudin, Rec. des M^m. de Mollnsques (1800). Lamarck, An. s. Vert. 

 V. (1818). Fleming, Fhilos. ofZool. (1822); Nat. Hist, of Brit. Anim. 

 (1828) ; Edi7ib. Encycl. vii. 68. Leach, Encxjcl. Brit. Suppl. i. 452. 

 Schweigg. Handb. der Naturg. 601. Johnston, Ann. ^ Mag. Nat. 

 Ifist. xvi. (1845). Grube, Famil. der Annelid. 



Basal leaves of the branchife rolled in a circle or semicircle ; one 

 or two opercula, not united together when two ; tubes generally iso- 

 lated, entirely attached, twisted into a flat or nearly flat spiral. — Grube. 



Sp. 1. Spirorbis nautiloides. 



Serpiila spirorbis, Linn. Faun. Suec. ed. 2. no. 2204; Sgst. Nat. 1265. 



Fabr. Faun. Grcenl. 377. Midi. Zool. Dan. iii. 8. tab. 86. f. 1-6. 



Da Costa, Brit. Conch. 22. tab. 2. f. 11. Mont. Test. Brit. 498. 



Pennant, Brit. Zool. iv. 358. tab. 94. f. 1. 

 Spirorbis nautiloides, Lamk. An. s. Vert. 1st ed. v. 359 (1818), 2nd ed. 



V. 613 (1838). Templeton, Loud. Mag. Nat. Hist. ix. 233. Griffith's 



Cuv. Itegne An. xiii. tab. 8. f. 6. Grube, Famil. der Annelid. 92. 

 Spirorbis communis, Fle7tiing,Fdinb.Encgcl.\u. 68 (1820) ; Fdin. Phil. 



Journ. xii. 245. Johnston, Ann. 8f Mag. Nat. Hist. xvi. (1845). 



Operculum nearly shield-shaped, parabolical; branchial (filaments?) 

 bearded, 3 on each side ; tube opaque, wrinkled, with 3 turns, con- 

 vex above, flat beneath, last turn not keeled. — Grube. 

 Hab. Shores of Great Britain. 



{a) English coast (shells only, on sea-weed). 



(6) Coast of England (shells, on sea- weed). 



(c) Falmouth, W. P. Cocks. 



Sp. 2, Spirorbis spirillum. 



Serpula spirillum, Linn. Faun. Suec. ed. 2. 2203 ; Syst. Nat. 1264. 



Fabr. Faun. Grcenl. 376. Pallas, Nov. Act. Petrop. ii. 236. tab. 5. 



f. 21. Mont. Test. Brit. 499. 

 Spirorbis spirilluui, Lamk. An. s. Vert. ed. 1. v. Fletning, Edinb. 



Encycl. A'ii. 68. Juhnstoii, Ann. <^ Mag. Nat. Hist. xvi. Grube, 



Famil. der Annelid. 92. 



Operculum of the form of a finger-nail ; branchial filaments 4 on 

 each side ; tube transparent, with 3 turns, last turn not keeled. — 

 Grube. 

 Hab. British coasts. 



(a) English coast (shells alone, on sea-weed). 



(6) Falmouth (shells, on sea-weed), W. P. Cochs. 



Sp. 3. Spirorbis granulatus. 



Serpula graniUata, Linn. Syst. Nat. 1266. Fabr. Faun. Grroenl. 380. 



Mont. Test. Brit. 500. Donovan, Nat. Hist, of Brit. Shells, iii. f. 100. 



Dillw. Recent Shells, 1074. Penn. Brit. Zool. iv. 359. 

 Serpula sulcata, Adams, Linn. Trans, iii. 255. 

 Spirorbis granulatus, Fleming, Edinb. Encycl. vii. 68. Brown s Illusf. 



