TECTARIUS. 



315 



Genus TECTARIUS, Valenciennes. 



Operculum subcircular, paucispiral, with a broad, mem- 

 branous edge. 



Shell turbinate, subcorneal, tuberculate or muricated, 

 axis imperforate ; spire acuminated ; aperture oval, entire ; 

 inner lip with a callosity anteriorly ; outer lip thin, striated 

 internally. 



Syn. ? Hamus, Klein. Tectaria, Guer. Pagodus, 

 Gray. Pagoda, Mrs. Gray. Pagodella, Swains. 



Ex. T. pagodus, Linnaus, pi. 33, fig. 2. Operculum, 

 T. pagodus, fig. 2, a, 2, b. Shell, T. pagodus, fig. 2, c. 



The aperture in this genus is ovate, and not pearly 

 within ; the axis is imperforate, the whorls are tubercu- 

 late or muricated, and the operculum is of few whorls. 



Species of Tectarius. 



afl&nis, D'Orb. 

 Antoni, Phil. 

 bicolor, Lam. 

 breviculus, Phil. 

 dilatatus, D'Orb. 

 granosus, Phil. 

 granularis, Gray. 

 leucostictus, Phil. 

 miliaris, Quoy and Gaim. 

 millegrana, Phil. 

 muricatus, Linn. 

 Natalensis, Krauss. 

 nodosus, Gray. 



nodulosus, Pfeiff. 

 pagodus, Linn. 

 papillosus, Lam. 

 perlatus, Phil. 

 pyramidalis,QMo?/aw(i Gaim. 

 rugosus. Gray. 

 subnodosus, Phil. 

 tectum-persicum, Linn. 

 trochiformis, Dillw. 

 trochoides, Gray. 

 tuberculatus. Gray. 

 vilis, Mke. 



