STOMATELLA. 25 



deep brown, almost black, with, snowy- white spire, and umbilical 

 tract. 



S. delicata H. & A. Adams. 



Shell orbiculate-conic, imperforate, the spire rather elevated, va- 

 riegated snowy and pale green, sparsely spotted with blood-red ; 

 transversely lirate, with more prominent distant lira? ; upper whorls 

 uni-carinate ; aperture ovate, oblique, white within. {Ad.) 



A delicate species, varied with snow-white and pale green, with a 

 few blood-red spots. (Ad.) 



St. Thomas. 



S. delicata H. & A. Ad., P. Z. S. 1863, p. 432. 



"Were it not for the "testa imperforata" of Adams' description I 

 would unhesitatingly refer the specimens I have described above as 

 Var. rubroflammidata to this species ; for the coloration of my variety 

 is sometimes precisely that attributed to delicata. It is not impossible 

 that Sowerby's " S. dilecta H. Ad. " is intended for S. delicata H. & 

 A. Ad. 



S. dilecta (H. Ad.) Sowerby. PL 53, fig. 91. 



Shell trochiform, rather rosy, painted with red spots in rows ; spire 

 prominent, whorls roundish ; last whorl biangular, belted with strong 

 ribs at the angles; interstices striated. Resembling S. modesta in 

 the markings, but more trochiform. (Sowb.) 



Habitat unknown. 



S. dilecta (" H. Ad. ? ") Sowerby, in Conch. Icon., f. 30. 



Section Synaptocochlea Pilsbry, 1890. 



This is a group of little shells, more elongated than Stomatella 

 with larger body-whorl and aperture and smaller spire. They are 

 like the typical Stomatioz (phymotis, australis) in contour, but have 

 no nodose keels, being simply spirally striate or slightly granose. 

 They are scarcely more spiral than Gena, but some of them are 

 known to have opercula, wanting in that genus. The species have 

 been pretty impartially distributed in Gena and Stomatella by 

 authors. S. montrouzieri Pilsbry, (picta Montr, not Orb.), may be 

 considered the type. 



S. stellata Souverbie. PL 53, figs. 76, 77 ; pi. 2, figs. 35, 36, 37. 

 Shell ear-shaped, with minute spire and very large, convex body- 

 whorl ; surface somewhat shining, black with scattered whitish dots, 



