NATURAL SCIENCES OF PHILADELPHIA. 471 



Fistulana, Ferussac, Tabl. Syst. p. 45, 1822. 



Bosc, Hist. Nat. des Coquilles, ii. p. 205, 1824. 



Deshayes, Encyc. Meth. ii. p. 139, 1830. 



Wyatt, Conch, p. 24, 1838. 



Hanley, Descriptive Catalogue, p. 3, 1842. 



Reeve, Conch. Syst. 1843. 



Catlow and Reeve, Conch. Nomenc. p. 2, 1845. 



Jay. Catalogue, 4th edit. p. 8, 1S50. 

 Teredo, partim. 



Linnaeus, Gmelin, Dillwyn. 

 Description. Valves irregular, unequal, widely gaping, hinge edentulous, 

 ligament narrow ; pallial sinus deep, posterior muscular impression nearly 

 central, with a pedal scar in front. Tube straight, cylindrical, striated trans- 

 versely, tapering upwards, closed at the lower end, with a perforated septum 

 behind the valves. 



A tropical genus, burrowing in sand or mud, at low water mark ; with the 

 upper part of the tube projecting but little above the surface. 



b. Equivalve, edentulous, but the hinge generally with a small spatulate 



lamina. Tube irregular. 



2. Genus Rocellaeia, Fleuriau de Bellevue. 1802. 

 Rupellaria, Fleuriau de Bellevue, Journ. de Physique, liv. 1802. 

 Roxellaria, Agassiz, Nomenclator Zoologicus. 

 Rocellaria, Morch, Catalogue, 1853. 



H. and A. Adams, Genera, ii. p. 335, 1856. 

 Gastrochsena, Cuvier, Regne Anim. Ed. piimo, ii. p. 490, 1817. 



Lamarck, Anim. Sans. Vert. v. p. 446, 1818. 



" (Desh. edit.) Anim. Sans. Vert. vi. p. 48, 1835. 



Ferussac, Tabl. Syst. p. 45, 1822. 



Turton, Conch. Dithyra Brit. p. 17, 1822. 



Crouch, Introd. Lam. 1827. 



Fleming, Brit. Anim. 1828. 



Rang, tabl. Meth. p. 342, 1829. 



Bouchard-Chantreaux, Moll. Boulonnais, p. 8, 1829. 



Delia Chiaje, Anim. Senza Vert. 



Collard de Cherres, Cat. Test. Mar. p. 9, 1830. 



Lukis, Loudon's Mag. Nat. Hist. vi. p. 401, 1833. 



Sowerby, Zool. Proc. p. 21, 1834; Conch. Man. edit. 2, 1842. 



Th. Miiller, Syn. Test. Viv. p. 235, 1836. 



Anton, Verzeich der Conch, p. 1, 1839. 



Hanley, Descriptive Catalogue, p. 10, 1842. 



Reeve, Conch. Syst. 1843. 



Potiez et Michaud, Gallerie des Moll. ii. p. 267, 1844. 



Thorpe, Brit. Mar. Conch, p. 33, 1844. 



Philippi, Enum. Moll. Sicil. ii. p. 3, 1844. 



Catlow, Conch. Nomenc. p. 2, 1845. 



Gray, Zool. Proc. p. 189, 1847. 

 " " " p. 316, 1858. 



D'Orbigny, Mollusks, Sagra's Cuba. 



Requier, Cat. des Coq. de la Corse, p. 13, 1848. 



Jay, Catalogue, 4th edit. p. 8, 1850. 



Deshayes, Mollusques, Expl. Sci. de l'Algerie, p. 17. 

 " Proc. Zool. Soc. London, p. 326, 1854. 



Forbes and Hanley, Hist. Brit. Moll. i. p. 130, 1853. 



Woodward, Manual, pt. 2, p. 325, 1854. 



Carpenter, Mazatlan Shells, Brit. Mus. Cat. p. 14, 1857. 



Beau, Cat. des Coq. Guadaloupe, 1858. 



1861.] 



