TURRITELLA. 203 



T. KNYSNAENSIS, Krauss. PI. 63, fig. 84. 



Whorls 17, convex, with profound suture, with two approxi- 

 mate central keels (three on last whorl), and narrower spiral 

 lines ; whitish marbled and longitudinally strigate with chestnut. 



Length, 1 inch. 



Cape of Good Hope. 

 T. ANNULATA, Kieiier. PI. 63, fig. 85. 



Whorls 20, sloping above, then two-keeled with a narrow 

 intervening sulcus, closely striate, the stria3 above and below 

 the keels stronger than in the sulcus; yellowish white, 

 obscurely longitudinally flamed with light chestnut. 



Length, 2'75 inches 



West Africa. 

 T. GUNNII, Reeve. PL 63, figs. 86, 87. 



Whorls 18, flattened, irregular^ inconspicuously ridged and 

 striated, suture excavated ; whitish, with chestnut-colored waved 

 flames, aperture light purplish. Length, 2 inches. 



Tasmania, Australia. 

 Yar. TASMAXICA, Reeve. Fig. SI. 



Whorls 15, rather flattened, ridged at the lower edge, encir- 

 cled with two ridges and intermediate striae above, interstices 

 very closely decussated with minute oblique raised striae. 



T. INCISA, Reeve. PI. 63, fig. 88. 



Whorls 12, flatly convex, concavely angled at the base, spi- 

 rally very closely marked with engraved striae ; ash-brown. 



Length, -75 inch. 



Sydney. Australia. 

 T. INFRACONSTRICTA, Smith. PI. 63, fig. 89. 



Whorls about 20, convexly flattened, with excavated suture, 

 finely lirated and two-ridged ; brownish white, minutely dotted 

 with chocolate-color on the line. Length, 2 inches. 



Andaman Is. 

 T. HASTULA, Reeve. PI. 64, fig. 03. 



Whorls 22-23, slender, flatly convex, concentrically plicately 

 w r rinkled, last whorl swollen at the base, with the wrinkles 

 obsolete, all the whorls spirally impressly striated, the inter- 

 mediate ridges being obsoletely granulated ; ash-white, arcuately 

 streaked and variegated with purple-brown. Length, 2*25 inches. 



Hab. unknown. 



