MOXILEA. 253 



Easily to be distinguished from T. calliferus by the thin shell, 

 fine sculpture, and colored columellar callous. The example figured 

 is about double the size of the other specimens seen, according to 

 Dr. Fischer. 



M. EGENA Gould. Vol. IX, PL 6, figs, 22, 23 ; vol. XI, pi. 37, f. 



13. 



Shell minute, low ovate-conic, thin, amply umbilicated, ashy white, 

 pearly beneath ; whorls 6, convex, the last obtusely angular, each 

 one encircled by 4 sharply-compressed well-elevated ribs the two 

 uppermost of which are beaded ; interspaces concave, smooth, with 

 a single groove near the margin of the umbilicus ; the latter occupies 

 i of the base, is tunnel-shaped, penetrating to the apex, its sides ex- 

 cavated on each whorl, the verge of. which is crenulated ; aperture 

 nearly circular, slightly encroached upon by the inflection of th 

 columella ; lip simple ; interior pearly. 



Alt. 1, diam. 3-10 inch. (Gould.) 



Neiv Zealand. 



Solarium egenum GOULD, Proc. Bost. Soc. X. H. iii, p. 84 (1868) ; 

 U. S. Expl. Exped. Shells, p. 196, atlas, fig. 226. Monilea zeland- 

 ica HUTTON, Cat. Mar. Moll. N. Z. (1873). Margarita zelandiea 

 Hutton, SOWB. in Conch. Icon., Monog. Margarita, f. 17. Monilea 

 egena HUTTON, Proc. Linn. Soc. N. S. Wales, 1884, p. 365. Torinia 

 egena MARSHALL in TRYON, Manual of Conchology, ix, p. 22, t. 6, 

 f. 22, 23. 



I have not seen this shell. I follow Prof. Hutton in referring it 

 to Monilea. PL 37, fig. 13 is the Margarita zelandiea of Sowerby. 



Unfigured species of Monilea. 



M. TURBIXATA Tenison-Woods. 



Shell turbinately conical, perspectively unibilicate to the apex, 

 fleshy whitish, clouded with pale brown spots and streaks ; whorls 

 6, rounded, obtusely angulate and subcanaliculate aboVe. spirally 

 sulcate, and girdled with numerous (about 12) lirse alternating great 

 and small ; suture impressed ; apex obtuse and pearly ; last whorl 

 angulate at the periphery ; base convex, lirate and transversely 

 slenderly spirally striate ; aperture transversely ovate ; lip thickened 

 and nacreous, lirate within ; columella short, sloping, concave ; 

 umbilical margin 3-costate, terminating with 4 tubercles. Closely 



