XENOPIIORA. 159 



Genus XENOPHORA, Fischer, 1807. 



X. CALCULiFERA, Reeve. PI. 44, figs. 75, 7G. 



Light yellowish brown, whorls convex, ohliquelj^ subgranu- 

 larly undulately striate, suture and periphery agglutinating, the 

 periphery undulated ; base widely umbilicated, elosel}* radiatel}^ 

 striated, the strife continued obliquely across the peripheral 

 blade and there becoming corrugated or granose, middle of base 

 with revolving grooves. Diam. 2'5 inches. 



China. 



X. Sinensis, Phil., is believed to be identical, and should per- 

 haps be preferred, its date being earlier. 



X. SoLARioiDES, Reeve. PI. 44, fig. 77. 



Widely umbilicated, yellowish white, obliquely rugosely 

 striated, copiously agglutinating ; base radiately arcuateiy cos- 

 tulate, spirall}' granularl}' lirate, somewhat obliquely costulate 

 at the periphery, umbilical area infundibuliform, subangular. 



Diam. 20 mill. 



Philippines. 



Very like X. calculifera^ but much smaller, and distinguished 

 by its more profuse crop of foreign bodies. 



X. coRRUGATA, Rccve. PI. 45, figs. 81, 82. 



Stoutly conical, diagonally •wrinkled and corrugated, suture 

 and periphery closely agglutinating fragments of shells ; base 

 with curved radiating granose striae, and a few revolving 

 grooves, imperforate. Diam. 25 mill. 



Indian Ocean., Japan. 



X. CAPERATA, Phil. PL 44, figs. 78, 80 ; PL 45, fig. 83. 



Obliquely perforate, light j'ellowish brown, suture and per- 

 iphery agglutinating, surface obliquely striate; base lamellarly 

 striate and concentrically lirate, some of the lirse strong, ele- 

 vated, becoming smaller and denser on the peripheral margin. 



Diam., ]"5 inches. 



E.Africa; Pondicherry. 



Smaller, thinner, with less dilated periiihery than the last 



species ; distinguished also by its basal sculpture and half-open 



umbilicus. 



