TELESCOPIUM. 291 



Species of Tijmpanotonos. 



alatus, Phil. fuscatus, Linn. 



cingulatus, GmeL macroptera, Kien. 



fluviatilis, Pot. and Mich. radula, Linn. 



Genus PYRAZUS, Montfort. 



Shell turreted, subulate, many-whorled, whorls rugose, 

 transversely sulcate and granular, varices few, indistinct ; 

 aperture with a short canal in front ; columella with an 

 oblique, spiral callosit}- in the middle ; outer lip dilated 

 and thickened, united at the fore part to the inner lip. 



St/n. Terebralia, Swains. 



EiV. P. palustris, LimKBUs, pi. 30, fig. 8. Opercu- 

 lum, P. palustris, fig. 8, a. Shell, P. palustris, fig. 8, b. 



The P. palustris occurs in great abundance in the salt- 

 marshes of the Eastern Archipelago, and is assiduously 

 collected and eaten by the natives, who roast them and 

 suck the contents of the shell through an aperture made 

 by breaking off the tip of the spire. 



Species of Pyrazus. 



palustris, Linn. sulcatus. Born. 



semistriatus, Bolt. 



Genus TELESCOPIUM, Chemnitz. 



Shell pyramidal, turreted, last whorl angulated ; aper- 

 ture subquadrate ; columella tortuous, ending anteriorly 

 in a point J outer lip thin, sinuous. 



