46 TROCHUS. 



A greenish brown species, with regular transverse rows of headed 

 ridges, and with the lateral outlines convex ; the color is a uniform 

 greenish brown. (Adams.) 



P. (INFUNDIBULUM) /KM i; LANS A. Adams. 



P. testa depreaso-conica, peeudo-umbilicata, albida, rufo-fusco 

 radiatim picta ; anfr. planis, cingulis transvorsis granulorum ornatis, 

 serie bituberculata ad suturas ; basi convexiusculo, rubro radiatim 

 ornata, ac cingulis confertis, concentriciscrenulatis instructo ; regione 

 umbilicali infundibuliformi, alba ; columella superne tortuosa, inar- 

 gine simplice. (A. AD. P. Z. S. 1354 p, 132.) 



China (Mus. Cuming). 



A handsome species, variegated with broad radiating red-brown 

 markings, and with a conspicuous double row of tubercles at the 

 sutures. (Adams). 



P. (INFUNDIBULUM) CONCINNUM A. Adams. 



P. testa conica, pseudo-umbilicata, lutescente, fusco-vividoque 

 variegatim picta ; anfr. planiusculis, cingulis transversis granulorum, 

 cingulis distantioribus, interstitiis liris moniliformibus ornatis; anfr. 

 ultimo ad peripheriam angulato ; regione umbilicali infundibuliformi, 

 albida, basi hevigata, cingulis concentricis articulatis ornata ; colum- 

 ella recta, margine simplice. (A. AD., P. Z. S. 1854, p. 132). 



China Seas (Mus. Cuming). 



This is a small but handsomely variegated species, with the false- 

 umbilicus infundibuliform and of a whitish color, and with the base 

 of the shell adorned with concentric zones articulated with dark 

 brown. (A dams) . 



INFUNDIBULUM CALIFORNICUM A. Adams. 



I. testa depresso-conica, pseudo-umbilicata, albida, viridi rufoque 

 variegata ; anfr. planis, supra angulatis, ultimo angulato, cingulis 

 tuberculorum subdistantium multiformium ornata ; interstitiis long- 

 itudinaliter oblique costatis, basi concava, cingulis confertis crenula- 

 tis insculpta; regione umbilicali infundibuliformi, vividi, linea alba 

 elevata cincto ; columella superne tortuosa tuberculata. 



(A. AD, P. Z. S. 1851, p. 153). California. 



