470 PROCEEDINGS OF THE ACADEMY OF 



the same as that of Linnseus ; a close examination will perhaps prove them 

 to be distinct. 



T. Norvagica, Spengler. 



T. Norvagica, Spengler, Skrivt. Nat. ii. pt. 1, p. 102, t. 2, f. 46,1792. 

 Fischer, Journ. Conch. 2d ser. i. p. 138. Gray, Ann. and Mag. Nat. 



Hist. 2d. ser. viii. p. 386. Forbes and Hanley, Brit. Mollusca, i. p. 



67, t. 1, f. 1 5. Jeffreys, Ann. and Mag. Nat. Hist. 3d ser. vi. p. 121. 



Schumacher, Essai d'un Nov. Syst. p. 94. 

 T. Norvegica, Adams, Genera, ii. p. 333, t. 90, f. 6. a. b. c. d. Chenu, Man. 



Conchyl. tome 2, f. 60, 61. Jay, Catalogue, 4th edit. p. 9. Sowerby, 



Illust. Brit. Shells, t. 1, f. 2. Thompson, Ann. and Mag. N. H. xx. p. 



157. Woodward, Manual, t. 23, f. 26-27. 

 T. Bruguierii, Delle Chiaje, Mem. iv. p. 28, 32, t. 54, f. 9-12. Philippi, 



Moll. Sicil, i. p. 2 ; and ii. p. 3. 

 T. Deshaii, Quatrefages, Ann. des. Sc. Nat. 3 ser. xi. p. 26. 

 T. fatalis, Quatrefages, Ann. des Sc. Nat. 3 ser. xi. p. 23, t. 1, f. 1. 

 T. nigra, Blainville, Diet. Sc. Nat. Hi. p. 267. 

 T. Seneqalensis, Laurent, Journ. Conchyl. i. 

 T. navciiis, Brown, Conch. Brit. p. 116, t. 50, f. 1-7. Burrows, Conch, t. 22, 



f. 4. Crouch, Introd. Lamarck's Conch, t. 2, f. 10. DeKay, Moll. N. 



Y. p. 249, t. 34, f. 325, a. b. c. Donovan, Brit. Shells, v. t. 145. En- 



cyc. Meth. t. 167, f. 1-5. Fleming, Brit. Anim. p. 454. Gould, In- 

 vert. Mass. p. 26 ? Gray, Phil. Mag. 1827, p. 410. Hanley Desc. Cat. 



p. 3. Humphrey, Conch, t. 10, f. 2, 3. Lamarck, Anim. sans. Vert. 



ed. 2, vi. p. 38 (not Synon's.) Maton and Rackett, Linn. Trans, viii. 



p. 249. Mawe, Conch, t. 35. Montagu, Test. Brit. p. 527 ; and Supp. 



p. 7. Pennant, Brit. Zool. iv. p. 147. Pultney, Dorset. Cat. p. 53, t. 



18, f. 21. Reeve, Conch. Syst. t. 21. Sowerby, Genera; Sowerby, 



Conch. Man. f. 48. Thorpe, Brit. Mar. Conch, p. 28. Turton, Conch, 



Diet. p. 183. Turton, Conch. Dithyra, p. 14, t. 2, f. 1, 2, 3. Wood, 



Index Test. t. 38. f. 2. 

 T. naviura, Sellius, Hist. Nat. Tered. t. 1, f. 1, 5. 

 T. Mediterruneus, Catlow, Conch. Nomenc. p. 3. 

 Septaria Mediterranea, Matheron, Ann. des Sc. du Midi, France, i. p. 77, ii. 



p. 312, t. 1. Deshayes, Traite Elem. i. pt. 2, p. 46, t. 2, f. 9 and 10. 



Cuvier, Reg. Anim. (ed. Audouin) t. 114, f. 3. 

 Serpula Teredo^ Be Costa, Brit. Shells, p. 21. 

 Bruma deUe navi, Vallisnieri, Op. Phys. Med. 

 Fistulana corniformis, Lamarck, Anim. sans. Vert. v. p. 435 ; 2d edit. vi. p. 



31. Blainville, Diet, des Sc. Nat. xvii. p. 85. Blainville, Man. Mai. t. 



81, f. 4. Chenu, Man. de Conchyl. ii. f. 63. 

 Guetera corniformis, Gray, Ann. and Mag. N. Hist. 2 ser. viii. p. 386. 

 Uperotis corniformis, Adams, Genera, ii. p. 333. 

 Teredo corniformis, Catlow, Conch. Nomenc. p. 3. Deshays, Note in Lam. 



Anim. sans. Vert. 2 edit. vi. p. 29 Gray, Phil. Mag. 1827, p. 410. 

 Teredo utriculiis, Gmelin, Syst. Nat. p. 3748. Bosc, Conch, ii. p. 202. Dill- 



wvn. Desc. Cat. p. 1089. Kammerer, Cab. Rudolst, p. 7, t. 1 ? Wood, 



Index Test. t. 38, f. 3. 

 Hab. Channel Isles and Devonshire, England; coast of France ; Senegal? 

 United States ? Mediterranean Sea. 

 Coll. Acad. Nat. Sciences. 



Description. Valves of moderate size and solidity, longer than broad. The 

 anterior auricle subtriangular, about equalling the posterior in size, and the 

 basal margins of the two being nearly on a horizontal line. The body or fang- 

 shaped portion is rather more than double the length of the auricles, and is 

 about half as wide as its length. The posterior auricle is not elevated nor ex- 



[Sept. 



