STOMATELLA. 27 



Stomatella ( Gena f) crassa MONTR., Journ. de Conch. 1870, p. 74, 

 t. 9, f. 6. 



S. MONTROUZIERI Pilsbry. PL 53, figs. 74, 75. 



Shell small, ovate, back convex, transversely striated, the striae 

 decussated by slightly elevated spiral striae, with smaller ones between 

 them ; deep opaque black, obliquely girdled with white ; spire lateral, 

 slightly prominent ; whorls 4, separated by impressed sutures, rounded, 

 the last forming the greater part of the shell ; aperture ample, 

 rounded-ovate, somewhat dilated below, shining within, cbncolored, 

 with very translucent white bands ; right margin acute, left sub- 

 thickened, arcuate, reflexed posteriorly, and appressed ; umbilicus a 

 very narrow fissure. Operculum corneous, rounded, very thin. 



Length 4?, width 3, alt. 2? mill. ; aperture, 3* mill. long. (Montr.} 

 Id. of Art, New Caledonian Archipelago. 



Stomatella picta MONTROUZIER, Journ. de Conchyl. 1862, p. 239, 

 t. 9, f. 7 (not S. picta d'Orbigny, a species of quite similar form). 



S. CALIGINOSA H. & A. Adams. PL 55, fig. 26. 



Shell ear-shaped, imperforate, oblong, blackish ; spire small, 

 transversely lirate, larger and smaller line alternating, obsoletely 

 articulated with white; aperture oblong, very oblique, greenish- 

 white within, margin crenulate, black ; inner lip rather flattened ; 

 a narrow lunar umbilical rimation. Operculum thin, orbicular, 

 multispiral. (Ad.) 



A brownish-black lirate auriform species, more resembling a Gena 

 but with the operculum of Stomatella. (Ad.) 



Habitat unknown. 



S. caliginosa AD., P. Z. S. 1863, p. 434. Gena caliginosa Ad., 

 Sows., Conch. Icon., f. 10. 



S. GRANOSA Lambert. PL 51, figs. 23, 24. 



Shell small, thin, subtranslucent, ovate-oblong, the back convex ; 

 spire lateral, short, prominent ; transversely impressed-striate, the 

 striae gathered at and radiating from the suture on the last whorl, 

 spirally granulose-costate and impressed striate, with an interstitial 

 crenulated riblet between the spiral ribs ; scarcely shining, sub-red- 

 dish-black, smooth inside, shining, bluish ; w r horls 4, rounded, 

 separated by impressed sutures, the first two (embryonic) white, 

 smooth, the last forming the larger part of the shell. Aperture 



