1087 



(§tnm XXXV. 



TEREDO: 



SHELL TAPER, FLEXUOUS, AND TUBULAK, WITH 

 TWO HEMISPHERICAL VALVES AT ONE END OF 

 THE ANIMAL, AND TWO LANCEOLATE ONES AT 

 THE OTHER. 



GIGANTEA. 1. Shell taper, sub-cylindrical, nearly 

 straight, thick, and pellucid, with two inter- 

 nal tubes at the summit. 



Teredo gigantea. Sir E. Home, in Phil. Tram, for 1806, 

 p. 276, and t. 10 and 1 1. f. 1 to 7. 



Serpula Polythalamia. Lintiaus S^st. Nat. p. 1266. Mar- 

 tini, i. p. 40. t. 1. f , 6 and 11. Schroeter Einl. ii. p. 

 549. Gmelin, p. 3742. 



Serpula arenaria. Linnans Mus. Lud. Ulr. p. 700. 



Serpula gigantea. Portland Cat. p. 6, lot 97. 



Serpula, No. 4. Schroeter Einl. ii. p. 557. 



Fistulana cornicula. Lamarck S^st. des Anim. p. 129. 



Le grand Tuyau de Mer. D'Jvila, i. p. 97, No. 52. 



Le Cierge. Favanne, i. p. 673. t. 5. f. N. 



Rumphius, t. 41. f . D and E. Klein Tiibtil. t. 1. f. 3. 

 Seba, iii. t. 94, largest fig. 

 Inhabits the sandy shores of Ceram, one of the Molucca 



Islands, in shallow water. Rumphius. Coasts of the Island 



of Battoo near Sumatra. J. Griffiths, Esq. 

 It appears to me to be almost beyond a doubt that the Serpula 



Polythalamia of Linnaeus, and the Teredo gigantea of the 



Philosophical Transactions are the same, for the two smaller 



tubes appear in Rumphius's figure to be still partially en- 



