TUURTTELLA, 209 



T. SUBSQUAMOSA, Duiiker. Bass Strait, Australia. 



T. DURA, Morch. Bealejo, Gentr. Am. 



T. GRANOSA, Quoy. Not a Turritella. 



T. Cerithium, Qiioy. =Geritlnum. 



T. ViRGiNiANA, Lam. (?) Virginia. 



T. TRiciNGULATA, Anton., T. NivEA, Aiitoii. No locality. 



T. SPINA, Crosse and Fischer. Australia. 



T. PUNCTICULATA, Sowb. AguUias Bank, So. Africa. 



T. IMPRESSA, Say, T. bisuturalis, Say. z=Odostomia. 



T. NEBULOSA, Kiener. Not a Turritella. 



T. Tasmanica, Tenison-Woods. Tasmania. 



T. concava. Say, T. alternata, Say. z=Terebra. 



T. ^QUALis, Say. =Turbonilla. 



T. TRiciNCTA, Hutton. Described as a tertiary fossil, but is also 

 living. T. symmetrica, Hutton and T. rosea, Mantell (not 

 Quoy), are synonj^ms. N. Zealand. 



Subgenus Mesalia, Gra}-, 1842. 



T. brevialis. Lam. PI. 65, figs. 2Y-29. 



Whorls 15, convex, five-ridged, the upper one often forming a 

 sutural margin, lower ones frequently faint, interstices finely 

 closely striated ; aperture a little effuse below ; white, ash-color 

 or brownish olivaceous, aperture often violaceous. 



Length, 2-2'5 inches. 



Northern and Western Africa. 



The sj'nonymy includes T. mesul, Deshayes ; T. sulcata, Gray ; 

 T. sutaralis, Forbes. 



T. vARTA, Kiener. PL 65, figs. 30, 31. 



Whorls 12, convex, about five-ridged ; yellowish white to violet 

 ash-color, interior brownish. Length, 1 inch. 



West Africa, Cuba. 



T. Carihaea, d'Orb. (fig. 31), from the latter localitj', appears 

 to be identical ; it remains to ascertain whether this species is 

 really distinct, or onlv a small variet}'' of T. brevialis. 



T. Melanoides, Reeve. PI. 65, fig. 32. 



Whorls 10, slightl}^ concave at the upper part, obliquel^^ longi- 

 tudinall}' plicately ribbed, decussated with numerous spiral striaj 

 14 



