99 



Subfamily 3. Kcphinje. Without valves. Tube clavately cylindrical, sunk 

 horizontally in sand. Never penetrating timber. 



Synoj)sis of Genera. 



Subfamily TEREDINES. 



Tabes elongate, nearly cylindrical, increasing slowly in 

 diameter, solitary; pallets simple; valves generally nearly 

 as broad as their length Genus Teredo, Linn. 



Tubes club-shaped, much contorted, growing together 

 in masses, and increasing rapidly in diameter; pallets 

 simple; valves narrow and elongate Genus Uperotis, Guettard. 



Tubes elongate, increasing slowly iu diameter, solitary ; 

 pallets compound, the blade penniform, composed of a 

 number of jointed setas ; valves nearly as broad as their 

 length Genus Xylotrya, Leach. 



Subfamily TEREDINID^E. 

 (Fossil.) 



Subfamily KUPHIN^E. 



Tubes penetrating sand, somewhat irregular, very large, 

 "pierced around the base with small scattered perforations ; 

 and inclosed by two overlapping convex septa, arising from 

 the sides and completely closing the ends" (Gray).... Genus Kuphus, Guettard. 



Index to Species of Teredid.e. 



Bruma delle Navi, Vallisnieri, = Teredo Norvagica, Spengler 

 delV Oceano, Vallisnieri, = Teredo megotara, Hanley. 

 Cuphus arenarius, Gray, = Kuphus arenarius, Linn. 

 Dentalium navis, Linn. = Teredo navalis, Linn. 

 Fistulana corniformis, Lam. = Teredo Norvagica, Spengler. 

 gregaria, Blainv. = Uperotis clava, Gmelin. 

 gregata, Lam. = Uperotis clava, Gmelin. 

 Furcella gigantea, Gray, = Kuphus arenarius, Linn. 

 Guetera clava, Gray, = Uperotis clava, Gmel. 



corniformis, Gray, = Teredo Norvagica, Spengler. 

 Kuphus arenarius, Linn. 



Leptana arenaria, Gray, = Kuphus arenarius, Linn. 

 Pholas Teredo, Mull. = Teredo nana, Turton. 

 Seplaria arenaria, Lam. = Kuphus arenarius, Linn. 

 gigantea, Chenu, = Kuphus arenarius, Linn. 

 Mediterranea, Matheron, = Teredo Norvagica, Spengl 

 Serpula anguina, b. Gmelin, = Kuphus arenarius, Linn. 

 gigantea, Schroter, = Kuphus arenarius, Linn. 

 polythalarnia, Linn. = Kuphu3 arenarius, Linn. 

 retorta, Mawe, = Uperotis clava, Gmelin. 

 Teredo, Da Costa, = Teredo Norvagica, Spengler. 

 Solen arenarius, Rumphius, = Kuphus arenarius, Linn. 



corrugalus, Klein, = Kuphus arenarius, Linn. 

 Teredo arenaria, Gray, = Kuphus arenarius, Linn. 

 Teredo Batavus, Spengler, = Teredo navalis, Linn. 

 Teredo bipalmulata, Chiaje, = Xylotrya minima, Blainv. 

 " Lam. = Xylotrya palmulata, Lam. 



" Thompson, = Xylotrya fimbriata, Jeffreys 



bipartita, Jeffreys. 



