196 PUSIOSTOMA, COLUMBELLINA. 



E. ZONATA, Gray. Atlantic Ocean. 



This is also a lost species. 

 E. XANTHOLEUCA, E. A. Smith. PI. 63, fig. 61. 



I figure this Mauritius species, referred by its author to 

 Engiua ; my conviction is that it is a Coralliophila, and possibly 

 identical with C. coronata. Barclay (vol. ii, 210 t. 66, figs. 373, 

 372). 



E. COSTATA, Pease. (Unfigured.) Sandwich Islands. 



? E. (BucciNUM) PHAL^SNA, Lesson. (Unfigured.) Acapulco. 

 E. ALTERNATA, Garrett. (Unfigured.) Samoa and Viti Is. 



E. BELLA, Garrett. (Name preoccupied by Reeve. Unfigured.) 



Samoa and Viti Is. 



Subgenus Pusiostoma, Swainson. 



Shell ovate ; inner lip convex between the granular teeth ; outer 

 lip internally greatly thickened and toothed in the middle. 



E. MENDICARIA, Linn. PI. 63, figs. 62, 73. 



Shell usually alternately banded with black and yellowish 

 brown or white ; aperture dark chocolate ; a variety has a single 

 central yellowish band. Length, 18 mill. 



East Indies, Philippines, Australia, Polynesia. 



Genus COLUMBELLINA, d'Orb. 



This group was founded on a fossil species, with which the 

 following recent forms appear to agree in their characters. 



C. HARPIFORMIS, Sowb. PL 63, fig. 63. 



Yellowish white, openly irregularly reticulated with chestnut, 

 sometimes irregularly marked with chestnut, with a median light 

 band ; epidermis thin, rather smooth, translucent, yellowish 

 brown, continued over on the face of the greatly thickened outer 



lip. Length, 15 mill. 



Panama. 

 C. UNCINATA, Sowerby. PL 63, fig. 64. 



Shell fulvous olive, freckled with pale dots, encircled round 

 the upper part with white spots interrupted with red-brown 

 lines; aperture violaceous. Length, 11 mill. 



W. Coast Central America to Acapulco. 



The markings, UH minutely described above by Reeve, are 



